Class   210	LIQUID PURIFICATION OR SEPARATION
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600

PROCESSES

601

. (1 indent ) Treatment by living organism

602

.. (2 indent ) Including plant or animal of higher order

603

.. (2 indent ) Including collecting or storing gas (e.g., fuel, carbon monoxide, etc.)

604

... (3 indent ) And reusing oxidant

605

.. (2 indent ) Anaerobically, with subsequently aerobically treating liquid

606

.. (2 indent ) Adding enzyme or releasing same by treating microorganism

607

.. (2 indent ) Dividing, treating, and recombining liquid

608

.. (2 indent ) Regulating floating constituent

609

.. (2 indent ) Including dewatering sludge

610

.. (2 indent ) Including adding ancillary growth medium for microorganism

611

... (3 indent ) For or with specific microorganism

612

.. (2 indent ) And regulating temperature during biological step

613

... (3 indent ) Digesting sludge

614

.. (2 indent ) Controlling process in response to stream constituent or reactant concentration

615

.. (2 indent ) Utilizing contact surfaces supporting microorganism (e.g., trickling filter, etc.)

616

... (3 indent ) Particulate media

617

.... (4 indent ) In bed form

618

....• (5 indent ) And rehabilitating or regenerating same

619

... (3 indent ) Rotating contactor

620

.. (2 indent ) Aerobic treatment

621

... (3 indent ) Recirculating to prior step

622

.... (4 indent ) Of separated liquid

623

.... (4 indent ) Of sludge or separated solid

624

....• (5 indent ) And returning to or withdrawing from diverse treating zones

625

....• (5 indent ) Treating outside mainstream

626

....• (5 indent ) To mainstream oxygenation (e.g., activated sludge, etc.)

627

....•. (6 indent ) Utilizing specific oxidant, other than air alone (e.g., oxygen-enriched air, ozone, peroxide, etc.)

628

....•. (6 indent ) Utilizing mechanical aeration means

629

... (3 indent ) And internally circulating the liquid

630

... (3 indent ) And anaerobic treatment

631

.. (2 indent ) And additional treating agent other than mere mechanical manipulation (e.g., chemical, sorption, etc.)

632

. (1 indent ) Treating by enzyme

633

. (1 indent ) Extracting utilizing solid solute

634

. (1 indent ) Liquid/liquid solvent or colloidal extraction or diffusing or passing through septum selective as to material of a component of liquid; such diffusing or passing being effected by other than only an ion exchange or sorption process

635

.. (2 indent ) Liquid/liquid or gel type (i.e., jellylike) chromatography

636

.. (2 indent ) Including cleaning or sterilizing of apparatus

637

.. (2 indent ) Including regulating pressure to control constituent gradient at membrane or to prevent rupture of membrane

638

.. (2 indent ) Including ion exchange or other chemical reaction

639

.. (2 indent ) Including prior use of additive (e.g., changing pH, etc.)

640

.. (2 indent ) Passing through membrane in vapor phase

641

.. (2 indent ) Utilizing plural diverse membranes

642

.. (2 indent ) Extracting water from brine utilizing liquid/liquid solvent or colloidal extraction

643

.. (2 indent ) Utilizing liquid membrane (e.g., emulsion) in liquid/liquid solvent or colloidal extraction

644

.. (2 indent ) Diffusing or passing through septum selective as to material of a component in liquid/liquid solvent or colloidal extraction

645

... (3 indent ) Biological fluid (e.g., blood, urine, etc.)

646

.... (4 indent ) Hemodialysis

647

....• (5 indent ) Maintaining critical concentration(s)

648

... (3 indent ) Including regenerating or rehabilitating the extracting liquid in liquid/liquid solvent or colloidal extraction

649

.. (2 indent ) Diffusing or passing through septum selective as to material of a component of liquid

650

... (3 indent ) Filtering through membrane (e.g., ultrafiltration)

651

.... (4 indent ) Removing specified material

652

.... (4 indent ) Hyperfiltration (e.g., reverse osmosis, etc.)

653

....• (5 indent ) Utilizing specified membrane material

654

....•. (6 indent ) Synthetic resin

655

....•. (6 indent ) Cellulosic

656

. (1 indent ) Chromatography

657

.. (2 indent ) Utilizing rotating column

658

.. (2 indent ) Utilizing paper or thin layer plate

659

.. (2 indent ) Including liquid flow diversion

660

. (1 indent ) Ion exchange or selective sorption

661

.. (2 indent ) By passing through suspended bed

662

.. (2 indent ) And liquid testing or volume measuring

663

.. (2 indent ) Including diverse separating or treating of liquid

664

... (3 indent ) By distilling or degassing

665

... (3 indent ) By making an insoluble substance or accreting suspended constituents

666

.... (4 indent ) Utilizing organic agent

667

.... (4 indent ) Utilizing aluminum, calcium, or iron containing agent

668

... (3 indent ) By chemically modifying or inhibiting dispersed constituent

669

... (3 indent ) Prior to ion exchange or sorption

670

.. (2 indent ) Including rehabilitating or regenerating exchange material or sorbent

671

... (3 indent ) Of oil sorbent material

672

... (3 indent ) Fractional, selective, or partial type

673

... (3 indent ) Utilizing gas, water, or chemical oxidizing or reducing agent

674

... (3 indent ) Utilizing organic regenerant

675

... (3 indent ) Rehabilitating or regenerating in diverse zone or chamber

676

.... (4 indent ) Continuous cyclic process

677

... (3 indent ) Using conserved or recirculated fluid

678

... (3 indent ) Including liquid flow direction change

679

.. (2 indent ) Utilizing exchange or sorbent material associated with inert material

680

... (3 indent ) Including oil sorbent

681

.. (2 indent ) Removing ions

682

... (3 indent ) Radioactive

683

... (3 indent ) Anions

684

.... (4 indent ) Metal complexed (e.g., chromate, ferricyanide, chlorplatinate, etc.)

685

.... (4 indent ) Including cation

686

....• (5 indent ) Utilizing mixed bed or amphoteric material

687

... (3 indent ) Calcium or magnesium (e.g., hardness, water softening, etc.)

688

... (3 indent ) Heavy metal

689

.. (2 indent ) Sorbing water from diverse liquid

690

.. (2 indent ) Sorbing organic constituent

691

... (3 indent ) From aqueous material

692

.... (4 indent ) Utilizing synthetic resin

693

....• (5 indent ) Oil removed

694

.... (4 indent ) Utilizing activated carbon

695

. (1 indent ) Using magnetic force

696

. (1 indent ) Preventing, decreasing, or delaying precipitation, coagulation or flocculation

697

.. (2 indent ) Utilizing inorganic phosphorus agent

698

.. (2 indent ) Utilizing organic agent

699

... (3 indent ) Phosphorus containing

700

.... (4 indent ) Nitrogen containing

701

... (3 indent ) Acrylic polymer

702

. (1 indent ) Making an insoluble substance or accreting suspended constituents

703

.. (2 indent ) Effecting flotation

704

... (3 indent ) Including chemical addition (with or without bouyancy gas)

705

.... (4 indent ) Chemically specified precipitant, coagulant, or flocculant

706

....• (5 indent ) And significant characteristic of the bouyancy gas, other than mere addition of same

707

....•. (6 indent ) Generating gas in situ

708

.. (2 indent ) Including emulsion breaking

709

.. (2 indent ) Controlling process in response to stream condition

710

.. (2 indent ) Treating the insoluble substance

711

... (3 indent ) For recovery of a treating agent

712

.. (2 indent ) Including recycling

713

... (3 indent ) Of separated solids

714

.. (2 indent ) Seeding

715

... (3 indent ) Utilizing sludge or floc blanket

716

.. (2 indent ) Including step of manufacturing inorganic treating agent

717

... (3 indent ) In situ

718

.. (2 indent ) Including degassing

719

.. (2 indent ) Including chemical reduction

720

... (3 indent ) Of chromium material

721

.. (2 indent ) Including oxidation

722

... (3 indent ) Of iron or manganese material

723

.. (2 indent ) Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants

724

... (3 indent ) Regulating pH

725

.... (4 indent ) Utilizing organic precipitant

726

... (3 indent ) Sequential introduction

727

.... (4 indent ) Including organic agent

728

... (3 indent ) Including organic agent

729

.. (2 indent ) Utilizing organic precipitant

730

... (3 indent ) From natural source or chemical modification thereof

731

.... (4 indent ) Starch

732

... (3 indent ) Synthetic polymer

733

.... (4 indent ) Acrylic

734

....• (5 indent ) Nitrogen containing (e.g., amine, azo, etc.)

735

.... (4 indent ) Nitrogen containing (e.g., amine, azo, etc.)

736

....• (5 indent ) Derived from alkyl halide or epihalophydrin reactant

737

.. (2 indent ) Including temperature change

738

.. (2 indent ) Including agitation

739

. (1 indent ) Including controlling process in response to a sensed condition

740

.. (2 indent ) Density or specific gravity sensing

741

.. (2 indent ) Pressure sensing

742

.. (2 indent ) Temperature sensing

743

.. (2 indent ) pH sensing

744

.. (2 indent ) Level sensing

745

.. (2 indent ) Turbidity or optically sensing

746

.. (2 indent ) Electrical property sensing

747

. (1 indent ) Including geographic feature (e.g., drainage ditch, septic, pond)

748

. (1 indent ) Utilizing electrical or wave energy (directly applied to liquid or material being treated)

749

. (1 indent ) Chemical treatment

750

.. (2 indent ) Including degassing

752

.. (2 indent ) Plural spaced feedings

753

.. (2 indent ) Utilizing halogen or halogen containing material

754

... (3 indent ) Chlorine or bromine containing

755

.... (4 indent ) Organic

756

.... (4 indent ) Hypochlorite

757

.. (2 indent ) By chemical reduction

758

.. (2 indent ) By oxidation

759

... (3 indent ) Utilizing peroxy compound (e.g., hydrogen peroxide, peracid, etc.)

760

... (3 indent ) Utilizing ozone

761

... (3 indent ) Liquid phase high temperature and pressure (e.g., "wet air", etc.)

762

.... (4 indent ) Catalytic

763

... (3 indent ) Catalytic

764

.. (2 indent ) Destroying microorganisms

765

.. (2 indent ) Including liquid recirculation

766

.. (2 indent ) Including temperature change

767

. (1 indent ) Separating

768

.. (2 indent ) Including treating separated solids

769

... (3 indent ) Destroying cake or solid component

770

... (3 indent ) Including drying (e.g., by squeezing or heating, etc.)

771

.... (4 indent ) By gas contact

772

... (3 indent ) Washing with a fluid other than the prefilt

773

.. (2 indent ) Including preliminary conversion to liquid state

774

.. (2 indent ) Including temperature change

775

... (3 indent ) Thermal diffusion

776

.. (2 indent ) Skimming

777

.. (2 indent ) Including precoating filter medium with filter aid

778

... (3 indent ) With or by addition to prefilt

779

.. (2 indent ) Discharging residue to prefilt

780

.. (2 indent ) Including movement of filter during filtration

781

... (3 indent ) Centrifugally extracting

782

.... (4 indent ) Blood

783

... (3 indent ) Rotating belt

784

... (3 indent ) Rotating drum

785

... (3 indent ) Cleaning filter utilizing wave energy (e.g., vibrating, pulsating, etc.)

786

... (3 indent ) Of particulate bed (e.g., fluidized or moving bed, etc.)

787

.. (2 indent ) Cyclonic, or centrifugal (e.g., whirling or helical motion or by vortex, etc.)

788

... (3 indent ) Introducing liquid tangentially

789

... (3 indent ) Isolating layer

790

.. (2 indent ) Dividing and recombining

791

.. (2 indent ) Rehabilitating or regenerating filter medium

792

... (3 indent ) Particulate bed

793

.... (4 indent ) Reverse flow

794

....• (5 indent ) Including addition of diverse fluid

795

....•. (6 indent ) Expanded bed

796

.... (4 indent ) Includng mechanical agitation

797

... (3 indent ) By diverse fluid

798

.... (4 indent ) Reverse flow

799

.. (2 indent ) Filtering immiscible liquids

800

.. (2 indent ) Utilizing gravitational force

801

... (3 indent ) Including change of mainstream flow direction

802

.... (4 indent ) Utilizing parallel separation passages

803

... (3 indent ) Including specified feature of settled solids removal

804

... (3 indent ) And additional diverse separation

805

.. (2 indent ) And recirculating liquid

806

.. (2 indent ) Plural separating

807

.. (2 indent ) Utilizing particulate bed

808

.. (2 indent ) Including specified pressure change

85

WITH ALARM, INDICATOR, REGISTER, RECORDER, SIGNAL OR INSPECTION MEANS

86

. (1 indent ) Material level or thickness responsive

87

. (1 indent ) Responsive to fluid flow

88

.. (2 indent ) Meter-controlled cyclic systems

89

... (3 indent ) With time control

90

. (1 indent ) Fluid pressure responsive

91

. (1 indent ) Position or extent of motion

92

. (1 indent ) Test valve

93

. (1 indent ) In effluent conduit

94

. (1 indent ) Transparent

95

.. (2 indent ) Sight glass

96.1

CONSTITUENT MIXTURE VARIATION RESPONSIVE

96.2

. (1 indent ) With membrane

97

FLOW, FLUID PRESSURE OR MATERIAL LEVEL, RESPONSIVE

98

. (1 indent ) Fluid current controlled cyclic system

99

. (1 indent ) Prefilt deverting to drain by prefilt accumulation

100

. (1 indent ) Flow cut-off requiring reset

101

. (1 indent ) Proportionate feed means

102

. (1 indent ) Programming plural units

103

. (1 indent ) Diverse sensing means

104

.. (2 indent ) Responsive to material level

105

.. (2 indent ) With control for auxiliary liquid inlet

106

. (1 indent ) Filter cleaning

107

.. (2 indent ) Rotary movement of filter or mechanical cleaner

108

.. (2 indent ) Backwash or blowback

109

. (1 indent ) Discharge of treated material

110

.. (2 indent ) With separator inlet control

111

.. (2 indent ) Responsive to prefilt accumulation or filter clogging

112

.. (2 indent ) Heavier constituent

113

... (3 indent ) By weight of solids

114

... (3 indent ) By treated liquid accumulation

115

... (3 indent ) With lighter constituent outlet control

116

.. (2 indent ) Permitted by filtrate accumulation

117

.. (2 indent ) Check valve controlled

118

... (3 indent ) Non-closing, e.g., sand valve

119

... (3 indent ) Float type

120

. (1 indent ) Vent control

121

. (1 indent ) Float

122

.. (2 indent ) Controls movable separator

123

.. (2 indent ) Controls valve

124

... (3 indent ) Controls flow between two separators

125

... (3 indent ) Separator between float and valve

126

... (3 indent ) Float in separate rehabilitating fluid tank

127

... (3 indent ) Additional fluid inlet control

128

... (3 indent ) Float in receptacle other than that of separator

129

.... (4 indent ) In flow between inlet and separator

130

. (1 indent ) Fluid pressure responsive by-pass

131

.. (2 indent ) By movement of separation medium

132

.. (2 indent ) With additional separation or treating means

133

.. (2 indent ) In inlet and outlet closure header

134

. (1 indent ) Plural elements controlled

135

.. (2 indent ) Including manually controlled element

136

. (1 indent ) Check valve

137

. (1 indent ) Maintaining stream pressure or flow

138

WITH TIME CONTROL

139

. (1 indent ) Of additional fluid

140

.. (2 indent ) Preparation for treating operation

141

WITH PROGRAM ACTUATOR

142

. (1 indent ) Plural treating units or sections sequentially controlled

143

AUTOMATIC CONTROL

144

. (1 indent ) Responsive to vibration or unbalance

145

. (1 indent ) Responsive to rotation

146

.. (2 indent ) Controlled cover latch

147

.. (2 indent ) Controlled discharge means

148

. (1 indent ) Container movement operated

149

. (1 indent ) Thermal

150

WITH GAS-LIQUID SURFACE CONTACT MEANS

151

. (1 indent ) With separator

153

STRUCTURAL INSTALLATION

154

. (1 indent ) Flume stream type

155

.. (2 indent ) Plural or diverse screens

156

.. (2 indent ) Fluid stream or residue operated

157

... (3 indent ) Revolving cylindrical strainer

158

.. (2 indent ) With cleaner for movable strainer

159

.. (2 indent ) With cleaner and means to remove residue therefrom

160

.. (2 indent ) Endless belt strainer

161

.. (2 indent ) Revolving strainer

162

.. (2 indent ) Fixed strainer

163

. (1 indent ) Grated inlet surface drain

164

.. (2 indent ) Flat grating at surface level

165

... (3 indent ) With subsurface weep means

166

.. (2 indent ) Concentric guard ring or rib

167

. (1 indent ) Closed circulating systems

168

.. (2 indent ) Lubrication

169

.. (2 indent ) Aquarium or swimming pool

170

. (1 indent ) Geographic (e.g., drainage ditch, septic, pond)

171

. (1 indent ) Machinery

172

. (1 indent ) Ancillary to storage tank

173

COMMINUTING

174

. (1 indent ) Cylindrical strainer

175

WITH HEATER OR HEAT EXCHANGER

176

. (1 indent ) Thermal diffusion

177

. (1 indent ) With treating fluid addition

178

.. (2 indent ) With mechanical agitator or movable separator

179

. (1 indent ) With mechanical agitator or movable separator

180

. (1 indent ) Vapor or gas removal

181

. (1 indent ) Flow line connected in series with distinct separator

182

. (1 indent ) Diverse separators

183

.. (2 indent ) Common casing coaxial with heater

184

. (1 indent ) For filter

185

.. (2 indent ) Imbedded or between filter media

186

.. (2 indent ) External of casing

187

. (1 indent ) Within gravitational separator

188

WITH GAS SEPARATOR

189

PLURAL CHAMBERS WITH MOVEMENT OF GRANULES THEREBETWEEN

190

WITH EXTERNAL SUPPLY MEANS FOR REGENERATING MEDIUM, E.G., WATER SOFTENING SYSTEM

191

. (1 indent ) With pump, injector or siphon

192

WITH PRELIMINARY CHEMICAL MANUFACTURE

193

WITH PRECOAT ADDING OR APPLYING MEANS

194

RECIRCULATION

195.1

. (1 indent ) Serially connected distinct treating or storage units

195.2

.. (2 indent ) With semipermeable membrane, e.g., dialyzer, etc.

195.3

.. (2 indent ) With sediment recycle means directly to main stream

195.4

... (3 indent ) Means is baffle slot

196

. (1 indent ) Of filtrate

197

. (1 indent ) From bottom of separator

198.1

WITH MEANS TO ADD TREATING MATERIAL

198.2

. (1 indent ) Chromatography

198.3

.. (2 indent ) Thin layer, e.g., plate, etc.

199

. (1 indent ) Spaced along flow path

200

. (1 indent ) Plural distinct separators

201

.. (2 indent ) Serially connected

202

... (3 indent ) Diverse type

203

.. (2 indent ) Filters

204

... (3 indent ) Sectional chamber press type

205

. (1 indent ) With distinct reactor tank, trough or compartment

206

.. (2 indent ) Chemical holder in series with separator

207

.. (2 indent ) Within gravitational separator

208

... (3 indent ) With mechanical agitator

209

. (1 indent ) Directly applied to separator

210

.. (2 indent ) To interior of moving filter, e.g., drum

211

... (3 indent ) Through separator supporting rotary shaft

212

... (3 indent ) With stationary casing closure feature

213

... (3 indent ) With coaxial rotary impeller or distributor

214

... (3 indent ) With stationary mount for movable distributor

215

... (3 indent ) With effluent dividing means

216

.. (2 indent ) Moving filter medium

217

... (3 indent ) Drum

218

.. (2 indent ) Gas removed from closed tank

219

.. (2 indent ) With mechanical agitator

220

.. (2 indent ) Submerged fluid inlet

221.1

... (3 indent ) With outlet at surface, e.g., froth flotation, etc.

221.2

.... (4 indent ) And gas injecting means other than by mechanical agitation

222

MAGNETIC

223

. (1 indent ) With additional separator

224

SECTIONAL CHAMBER PRESS TYPE

225

. (1 indent ) With residue removal or liquid agitation

226

. (1 indent ) With porous filler

227

. (1 indent ) Medium clamped in joint

228

.. (2 indent ) With spacing frame

229

.. (2 indent ) Imperforate base recess in plate

230

. (1 indent ) With repair or assembling means

231

. (1 indent ) Plates or frames

232

WITH REPAIR OR ASSEMBLING MEANS

233

. (1 indent ) Piercing or closure knock out means

234

. (1 indent ) Removable treatment part with normally disabled flow controller

235

. (1 indent ) Placement of container opens flow controller

236

. (1 indent ) Sliding or rolling on guide means

237

. (1 indent ) Hoist or handle means

238

.. (2 indent ) Hand manipulable

239

CONVERTIBLE

240

. (1 indent ) Filter having selectively usable flow connector means

241

WITH MOVABLE SUPPORT

242.1

. (1 indent ) Float

242.2

.. (2 indent ) With aerating means

242.3

.. (2 indent ) With oil water skimmer

242.4

.. (2 indent ) With oil water sorption means

243

ELECTRICAL INSULATING OR ELECTRICITY DISCHARGING

244

PORTABLE RECEPTACLE WITH HOOD OR CLOSURE

245

. (1 indent ) Attached variable flow controller

246

. (1 indent ) Limited opening cover

247

FILTRATE SPLASH PLATE AND/OR DEFLECTOR

248

WITH DRIP, OVERFLOW OR CONTENT DRAINING FEATURE

249

BRACKET OR LEG SUPPORT FOR STATIC SEPARATOR ASSEMBLY

250

. (1 indent ) Leg

251

COMBINED

252

SERIALLY CONNECTED DISTINCT TREATING WITH OR WITHOUT STORAGE UNITS

253

. (1 indent ) Parallel

254

. (1 indent ) With by-pass

255

. (1 indent ) Cascade

256

. (1 indent ) One unit inside another

257.1

. (1 indent ) With storage unit

257.2

.. (2 indent ) Having membrane

258

. (1 indent ) With pump, gas pressure or vacuum source

259

. (1 indent ) Diverse

260

.. (2 indent ) Including multiple operation unit

261

.. (2 indent ) One unit supports another

262

.. (2 indent ) On different levels

263

PARTICULATE MATERIAL TYPE SEPARATOR, E.G., ION EXCHANGE OR SAND BED

264

. (1 indent ) Selective units or compartments

265

. (1 indent ) With gravitational separator

266

. (1 indent ) With spaced non-particulate separating means

267

. (1 indent ) Trunnion mounted casing

268

. (1 indent ) Gravity flow of particles type

269

. (1 indent ) With rehabilitation means

270

.. (2 indent ) Movable means for particle pickup and redeposit

271

.. (2 indent ) Surface traversing type

272

... (3 indent ) Rotating on stationary axis

273

... (3 indent ) Moving fluid distributor

274

.. (2 indent ) Including means to apply gas to bed

275

.. (2 indent ) Backwash or blowback means

276

... (3 indent ) With mechanical agitator or residue remover

277

... (3 indent ) Flow controller external of closed casing

278

.... (4 indent ) Multi-way valve unit

279

... (3 indent ) With embedded fluid distributor

280

.. (2 indent ) With agitator

281

.. (2 indent ) With access opening to normally closed casing

282

. (1 indent ) Removable cartridge or hand-manipulated container

283

. (1 indent ) Pervious divider between and contacting beds

284

. (1 indent ) Spaced beds

285

. (1 indent ) Embedded baffle

286

.. (2 indent ) Vertical

287

. (1 indent ) Within flow line or flow line connected closed casing

288

.. (2 indent ) Conduit through bed, inlet and outlet at same end of casing

289

.. (2 indent ) With particular liquid receiving means or foraminous bed retainer

290

. (1 indent ) With multi-layer beds

291

. (1 indent ) Particular liquid receiving means or foraminous bed retainer

292

.. (2 indent ) Hood or top protector type

293

.. (2 indent ) Floor type, e.g., false bottom

294

DIVERSE DISTINCT SEPARATORS

295

. (1 indent ) Including a filter

296

.. (2 indent ) Including liquid as a separating medium

297

.. (2 indent ) Moving filter medium

298

.. (2 indent ) With mechanical residue or sediment mover

299

.. (2 indent ) Including constituent trapping feature

300

... (3 indent ) Alternate filters and traps in series

301

.... (4 indent ) Plural traps

302

... (3 indent ) Flow-line valve upstream of separator

303

... (3 indent ) Cut-off sediment trap

304

... (3 indent ) Tangential flow, spiral or convolute baffle

305

... (3 indent ) Baffle preceding or within sediment trap

306

.... (4 indent ) Deflecting prefilt from filter medium

307

... (3 indent ) Downstream of filter medium

308

... (3 indent ) Directly communicating with tubular filter interior

309

.... (4 indent ) Attached to filter element

310

... (3 indent ) Lateral trap

311

... (3 indent ) Downflow inlet, upflow through filter medium

312

... (3 indent ) Sediment discharge means

313

.... (4 indent ) Valve controlled

314

.. (2 indent ) Spaced filters

315

... (3 indent ) One within another

316

... (3 indent ) One adjacent inlet or outlet conduit

317

... (3 indent ) Including non-self-supporting medium

318

... (3 indent ) Incompatible shapes

319

. (1 indent ) With agitator

320

. (1 indent ) With baffle perpendicular to flow direction

321.6

CASING DIVIDED BY MEMBRANE INTO SECTIONS HAVING INLET(S) AND/OR OUTLET(S)

321.61

. (1 indent ) Membrane secured with adhesive of specified composition

321.62

. (1 indent ) Antithrombogenic membrane

321.63

. (1 indent ) Rotating mechanical agitator adjacent membrane

321.64

. (1 indent ) Plural diverse structured membranes within a single casing

321.65

. (1 indent ) Permeated liquid quantity measurement or control

321.66

. (1 indent ) Energy recovery from treated liquid

321.67

. (1 indent ) Membrane movement during purification

321.68

.. (2 indent ) Nontranslatory rotary

321.69

. (1 indent ) With membrane cleaning or sterlizing means (other than by filter movement or rotating agitator)

321.7

.. (2 indent ) Solid cleaning material (e.g., balls)

321.71

. (1 indent ) Dialyzer with dialysate proportioning means

321.72

. (1 indent ) Each section having inlet(s) and outlet(s)

321.73

.. (2 indent ) Noncoiled nonannular cross section tube

321.74

.. (2 indent ) Coiled membrane

321.75

.. (2 indent ) Planar membrane

321.76

... (3 indent ) Spiral flow

321.77

.. (2 indent ) Pleated membrane

321.78

.. (2 indent ) Cylindrical membrane

321.79

... (3 indent ) Plural cylindrical membranes all connected for parallel flow

321.8

.... (4 indent ) All cylindrical membranes are parallel

321.81

....• (5 indent ) With embedded baffle

321.82

. (1 indent ) Noncoiled nonannular cross section tube

321.83

. (1 indent ) Coiled membrane

321.84

. (1 indent ) Planar membrane

321.85

.. (2 indent ) Spiral flow

321.86

. (1 indent ) Pleated membrane

321.87

. (1 indent ) Cylindrical membrane

321.88

.. (2 indent ) Plural cylindrical membranes all connected for parallel flow

321.89

... (3 indent ) All cylindrical membranes are parallel

321.9

.... (4 indent ) With embedded baffle

322

PLURAL DISTINCT SEPARATORS

323.1

. (1 indent ) Filters

323.2

.. (2 indent ) Tubular

324

.. (2 indent ) Movable separating elements

325

... (3 indent ) Planetary

326

... (3 indent ) Drum type on parallel axis

327

... (3 indent ) Plural cleaners and plural movable elements

328

... (3 indent ) Pivotally mounted sections

329

... (3 indent ) Relatively movable

330

... (3 indent ) Connected for group operation

331

.... (4 indent ) Spaced filter wall type, e.g., multiple hollow leaves

332

.. (2 indent ) With residue removal or liquid agitation

333.01

... (3 indent ) Backwash or blowback

333.1

.... (4 indent ) Sequential backwash

334

... (3 indent ) Alternating filter and residue remover

335

.. (2 indent ) In series for prefilt flow

336

... (3 indent ) Tortuous path

337

... (3 indent ) Nested units

338

.... (4 indent ) Concentric filter elements

339

... (3 indent ) Internal flange supporting filter element

340

.. (2 indent ) Parallel filters with flow controller

341

... (3 indent ) Individually controlled for removal with common receiver

342

.. (2 indent ) One element within another

343

.. (2 indent ) Alternating oppositely opening liquid distributors

344

.. (2 indent ) Abutted alternating medium and pan type receiver

345

.. (2 indent ) Radial or radially connected to central header

346

.. (2 indent ) Spaced wall-type filters

347

... (3 indent ) Central header

348

FILTER

349

. (1 indent ) Pulsation dampener or gas trapping

350

. (1 indent ) With movable means to compress medium

351

.. (2 indent ) Actuating means external of closed casing

352

.. (2 indent ) Internal spring

353

. (1 indent ) Free cleaning means, e.g., loose abrading particles

354

. (1 indent ) Medium, cleaner or agitator moved by fluid

355

.. (2 indent ) Cleaner

356

.. (2 indent ) Medium flexed

357

. (1 indent ) Relatively movable members interleaved for cleaning

358

. (1 indent ) Imperforate drum, medium on arc, chord or end

359

. (1 indent ) Movable medium

360.1

.. (2 indent ) Centrifugal extractor

360.2

... (3 indent ) With inward flow of feed component

361

... (3 indent ) With individual article container or support

362

.... (4 indent ) Container or support reversible

363

... (3 indent ) With adjustable rotation stabilizer

364

... (3 indent ) Casing, shaft and filter unit gyratorily mounted

365

... (3 indent ) Shaft and filter unit gyratorily mounted

366

.... (4 indent ) Gyratory mounting above filter

367

... (3 indent ) Filter gyratorily mounted on shaft

368

... (3 indent ) With rotation brake

369

... (3 indent ) Discharging residue

370

.... (4 indent ) Secondary motion of filter medium

371

.... (4 indent ) With variable flow controller

372

.... (4 indent ) By residue engaging means

373

....• (5 indent ) Fixed

374

....• (5 indent ) Rotatable

375

....•. (6 indent ) Pivoted

376

....• (5 indent ) Axially reciprocable

377

... (3 indent ) Internal work distributor

378

... (3 indent ) Including filtrate receiving means having plural filtrate outlets

379

... (3 indent ) Including filtrate receiving trough adjacent top discharge

380.1

... (3 indent ) Rotating element construction

380.2

.... (4 indent ) Laundry

380.3

.... (4 indent ) Horizontal axis

381

.... (4 indent ) Inwardly extending partitions

382

.... (4 indent ) Top filtrate discharge

383

.. (2 indent ) Separate agitator

384

.. (2 indent ) Vibrator and unidirectional motion filter medium

385

.. (2 indent ) With plural motion

386

.. (2 indent ) Rolls or confining members contacting residue

387

.. (2 indent ) Unrollable

388

.. (2 indent ) Vibrating or longitudinally reciprocating

389

... (3 indent ) Longitudinally moving prefilt type

390

.. (2 indent ) Mounted on movable valve element

391

.. (2 indent ) With cleaning means

392

... (3 indent ) Fixed position or attached valve blocking means

393

... (3 indent ) Backwash or blowback and additional cleaner

394

... (3 indent ) Discharging inside, e.g., internal-type drum

395

... (3 indent ) With filter-driven valve means

396

... (3 indent ) Solid cleaner, e.g., scraper

397

.... (4 indent ) With plural outlets from filter casing

398

.. (2 indent ) Within sealed enclosure

399

... (3 indent ) Movable casing

400

.. (2 indent ) Belt type

401

... (3 indent ) Superimposed on additional moving support

402

.. (2 indent ) Drum type

403

... (3 indent ) Internal feed

404

... (3 indent ) Annular segmented compartment

405

. (1 indent ) Movable prefilt distributor

406

. (1 indent ) Vacuumized filtrate receiver

407

. (1 indent ) With residue removing means or agitation of liquid

408

.. (2 indent ) Diverse, e.g., combined agitators, scrapers, aeration blowback

409

.. (2 indent ) Fluid cleaning

410

... (3 indent ) Air pump type

411

... (3 indent ) Backwash or blowback

412

.... (4 indent ) Liquid pulsator

413

.. (2 indent ) Fixed filter medium and movable stirrer or cleaner

414

... (3 indent ) With plural outlets from filter casing

415

... (3 indent ) Nontranslatory rotary

416.1

. (1 indent ) With pump, gas pressure, or suction source

416.2

.. (2 indent ) For aquarium or swimming pool

416.3

.. (2 indent ) For drinking water

416.4

.. (2 indent ) For fuel system

416.5

.. (2 indent ) For lubricating or oil treating system

417

. (1 indent ) Alternating oppositely opening liquid distributors

418

. (1 indent ) With flow controller for material being treated

419

.. (2 indent ) Attached to or within portable prefilt receiver

420

.. (2 indent ) Selective directive flow relative to filter

421

... (3 indent ) Pivoted prefilt deflector

422

... (3 indent ) Plural outlets from filter casing

423

.... (4 indent ) Attached unitary plural passage header

424

... (3 indent ) Multi-way valve

425

.... (4 indent ) Backwash

426

....• (5 indent ) Encased

427

... (3 indent ) Backwash

428

.. (2 indent ) Combining or dividing flow passages with filter in combined passage

429

.. (2 indent ) Filter coaxial with valve seat or valve stem

430

... (3 indent ) Filter surrounds valve

431

... (3 indent ) Filter fixed to valve seat, opposed to valve head

432

.. (2 indent ) Filter in valve body recess

433.1

. (1 indent ) Divided filtered, and unfiltered liquid passages

434

.. (2 indent ) Recombining

435

. (1 indent ) Within flow line or flow line connected close casing

436

.. (2 indent ) Vented

437

.. (2 indent ) Central internal liquid receiver, e.g., tube

438

... (3 indent ) Imperforate central liquid tube

439

.... (4 indent ) Axial flow through filter element

440

... (3 indent ) Inlet and outlet at same end

441

... (3 indent ) Attached to casing

442

.... (4 indent ) Head and base connected

443

.. (2 indent ) Inlet and outlet at same end

444

... (3 indent ) Filter suspended from head

445

.. (2 indent ) Clamped in casing joint

446

.. (2 indent ) Axially aligned inlet and outlet

447

... (3 indent ) Laterally removable

448

... (3 indent ) Single open-end-type filter element

449

... (3 indent ) Pipe end attached closed casing, e.g., faucet

450

.. (2 indent ) Gasket within casing or spaced removable end members

451

.. (2 indent ) Internal fixed shoulder supporting filter element

452

... (3 indent ) Single open-end-type filter element

453

.. (2 indent ) Filter element clamped between closure and end wall

454

.. (2 indent ) Filter element attached to closure

455

. (1 indent ) Receptacle and modified spacing surface or support for filter medium

456

. (1 indent ) Prefilt flow distributor or diverter

457

. (1 indent ) With central pervious tubular receiver

458

.. (2 indent ) Plural concentric receivers

459

. (1 indent ) Pipe or plate attached type

460

.. (2 indent ) Attached to open end of pipe

461

... (3 indent ) Spaced wall-type element

462

... (3 indent ) Pipe is connection to plate

463

... (3 indent ) Inserted holder

464

. (1 indent ) Portable receptacle draining type

465

.. (2 indent ) Cooperating handles on receptacle and drainer

466

.. (2 indent ) Receptacle spout

467

... (3 indent ) Within receptacle proper

468

... (3 indent ) Spaced from spout discharge

469

.. (2 indent ) On or adjacent receptacle upper edge

470

. (1 indent ) Handled

471

.. (2 indent ) Ring type

472

. (1 indent ) Vented

473

. (1 indent ) Resting on supporting receiver, e.g., portable

474

.. (2 indent ) At upper edge of filtrate receiver

475

... (3 indent ) Filter offset in cover

476

... (3 indent ) Telescoped receivers or receiver sections

477

.. (2 indent ) Resting on internal stop or surface

478

... (3 indent ) Unitary filter medium and radially expandable retainer

479

... (3 indent ) Inner separate retainer

480

.... (4 indent ) With contractor for expandable retainer

481

... (3 indent ) Longitudinal retainer or guide, (e.g., reflex coffee maker)

482

.. (2 indent ) At lower end or prefilt receiver

483

. (1 indent ) Supported, shaped or superimposed formed mediums

484

.. (2 indent ) Medium within foraminous supporting container or sheath

485

.. (2 indent ) External cage-type support

486

.. (2 indent ) Spaced wall type, e.g., hollow leaf

487

... (3 indent ) Concentric, convolute or pleated

488

.. (2 indent ) Abutted or superimposed members

489

... (3 indent ) For series flow

490

.... (4 indent ) Integral or coated layers

491

....• (5 indent ) All fibrous

492

... (3 indent ) Alternating dissimilar

493.1

.. (2 indent ) Pleated

493.2

... (3 indent ) Bonded end caps

493.3

... (3 indent ) Rectangularly shaped

493.4

... (3 indent ) Spirally formed

493.5

... (3 indent ) Filter element

494.1

.. (2 indent ) Convolute

494.2

... (3 indent ) Metal

494.3

... (3 indent ) With edge spacer

495

.. (2 indent ) Single ring or closed frame type

496

.. (2 indent ) Bound, fused or matted, e.g., porous shapes, sponges, etc.

497.01

.. (2 indent ) Cylindrical, conical, or trough shape

497.1

... (3 indent ) Helically wound

497.2

... (3 indent ) Filter blank

497.3

... (3 indent ) Conical

498

.. (2 indent ) Perforated or grooved plates

499

.. (2 indent ) Screens, e.g., woven

500.1

. (1 indent ) Material

500.21

.. (2 indent ) Semipermeable membrane

500.22

... (3 indent ) Isotropically pored

500.23

... (3 indent ) Hollow fiber or cylinder

500.24

... (3 indent ) Antithrombogenic coating or membrane

500.25

... (3 indent ) Metal containing

500.26

... (3 indent ) Glass

500.27

... (3 indent ) Organic

500.28

.... (4 indent ) Cyclic

500.29

....• (5 indent ) Cellulosic

500.3

....•. (6 indent ) Cellulose acetate

500.31

....•.. (7 indent ) Cellulose diacetate

500.32

....•.. (7 indent ) Cellulose triacetate

500.33

....• (5 indent ) Homocyclic

500.34

....•. (6 indent ) Styrene

500.35

.... (4 indent ) Acrylate

500.36

.... (4 indent ) Alkene other than vinyl

500.37

.... (4 indent ) Amine

500.38

....• (5 indent ) Amide

500.39

....•. (6 indent ) Imide

500.4

.... (4 indent ) Carbonate

500.41

.... (4 indent ) Sulfone

500.42

.... (4 indent ) Vinyl

500.43

....• (5 indent ) Acrylonitrile

501

.. (2 indent ) Sterilizing or neutralizing agent containing

502.1

.. (2 indent ) Sorptive component containing

503

.. (2 indent ) Diverse granular or fibrous

504

... (3 indent ) With adhered coating or impregnant

505

... (3 indent ) Including fibers

506

.. (2 indent ) Coated or impregnated, e.g., adhesively bound

507

... (3 indent ) Fabrics

508

... (3 indent ) Fibrous

509

.... (4 indent ) Inorganic

510.1

.. (2 indent ) Porous unitary mass

511

LIQUID AS SEPARATING MEDIUM

512.1

TANGENTIAL FLOW OR CENTRIFUGAL FLUID ACTION

512.2

. (1 indent ) Multiple cyclone

512.3

. (1 indent ) With movable means affecting flow

513

GRAVITATIONAL SEPARATOR

514

. (1 indent ) Portable invertible, e.g., milk and cream separator

515

.. (2 indent ) Selective withdrawal of constituents

516

.. (2 indent ) Resilient deformable isolator

517

... (3 indent ) Hinged to handle

518

.. (2 indent ) Sectional isolator

519

. (1 indent ) Material supply distributor

520

.. (2 indent ) Rotatable

521

. (1 indent ) Superposed compartments or baffles, e.g., parallel plate type

522

.. (2 indent ) Each with lighter constituent discharge

523

. (1 indent ) Mechanical constituent mover

524

.. (2 indent ) Diverse serial

525

.. (2 indent ) Scum sediment removal

526

.. (2 indent ) Endless belt or chain

527

.. (2 indent ) Rectilinearly movable supporting means

528

.. (2 indent ) Horizontally rotating scraper

529

... (3 indent ) Polygonal container and correlating mover

530

... (3 indent ) Tank rim-supported carriage

531

... (3 indent ) Elevatable scrapers

532.1

. (1 indent ) Heavier constituent trap, chamber, or recess

532.2

.. (2 indent ) Septic tank

533

.. (2 indent ) Closure or valve controlled discharge

534

... (3 indent ) In sloping recess

535

.... (4 indent ) Downstream of separator

536

... (3 indent ) In side wall of separator

537

... (3 indent ) With discharge means for two or more lighter constituents

538

. (1 indent ) Lighter constituent trap

539

.. (2 indent ) Gas vent or bypass

540

.. (2 indent ) With discharge port

541

ADJUNCTS

542

MISCELLANEOUS

	CROSS-REFERENCE ART COLLECTIONS

900

ULTRA PURE WATER (E.G., CONDUCTIVITY WATER)

901

SPECIFIED LAND FILL FEATURE (E.G., PREVENTION OF GROUND WATER FOULING)

902

MATERIALS REMOVED

903

. (1 indent ) Nitrogenous

904

.. (2 indent ) -CN containing

905

.. (2 indent ) Protein

906

. (1 indent ) Phosphorus containing

907

.. (2 indent ) Phosphate slimes

908

. (1 indent ) Organic

909

.. (2 indent ) Aromatic compound (e.g., PCB, phenol, etc.)

910

.. (2 indent ) Nonbiodegradable surfacant

911

. (1 indent ) Cumulative poison

912

.. (2 indent ) Heavy metal

913

... (3 indent ) Chromium

914

... (3 indent ) Mercury

915

. (1 indent ) Fluorine containing

916

. (1 indent ) Odor (including control or abatement)

917

. (1 indent ) Color

918

MISCELLANEOUS SPECIFIC TECHNIQUES

919

. (1 indent ) Using combined systems by merging parallel diverse waste systems

920

. (1 indent ) Using combined systems of sequential local and regional or municipal sewage systems

921

. (1 indent ) Flow equalization or time controlled stages or cycles

922

. (1 indent ) Oil spill cleanup (e.g., bacterial, etc.)

923

.. (2 indent ) Using mechanical means (e.g., skimmers, pump, etc.)

924

.. (2 indent ) Using physical agent (e.g., sponge, mop, etc.)

925

.. (2 indent ) Using chemical agent

926

. (1 indent ) Using oxidation ditch (e.g., carousel, etc.)

928

PAPER MILL WASTE (E.G., WHITE WATER, BLACK LIQUOR, ETC.) TREATED

929

HEMOULTRAFILTRATE VOLUME MEASUREMENT OR CONTROL PROCESSES

930

PAINT DETACKIFYING

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG3

BELT ALIGNMENT

DIG5

COALESCER

DIG6

DEHYDRATORS

DIG7

DRIER BLOCKS

DIG8

FAT FRYER

DIG9

FLOATING COVER

DIG13

PART FLOW-FULL FLOW

DIG17

TWIST-ON

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