Click to skip top of page links USPTO IntranetIntranet HomeIndexResourcesContactsInternetSearch
Patent Intranet > Classification Home Page > Classification Search Page > Classification Schedule with Indent Level
Site Feedback
 
   Search Classification Data | Class Numbers & Titles | Class Numbers | USPC Index  | International  | HELP  | Employee by Name  | Employees by Org       

 Class   277SEAL FOR A JOINT OR JUNCTURE
  Click here to view a PDF version of this file
  300           PROCESS OF DYNAMIC SEALING
  301           . (1 indent ) Close proximity seal (e.g., contactless, fluent, etc.)
  302           .. (2 indent ) Magnetic
  303           .. (2 indent ) Labyrinth
  304           .. (2 indent ) Formed by pressurized sealing fluid introduced to form barrier
  305           .. (2 indent ) Floating ring or bushing
  306           . (1 indent ) Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.)
  307           .. (2 indent ) Formed by flexible projection
  308           . (1 indent ) Contained or compressed by gland member in packing box
  309           . (1 indent ) Peripheral radially sealing flexible projection (e.g., lip, piston cup seal, etc.)
  310           . (1 indent ) Piston ring for internal combustion engine
  311           . (1 indent ) Flexible ring
  312           PROCESS OF STATIC SEALING
  313           . (1 indent ) Between parts of internal combustion engine
  314           . (1 indent ) Pipe, conduit, or cable
  315           . (1 indent ) Using flexible sleeve, boot, or diaphragm
  316           . (1 indent ) Forming in place (i.e., in situ)
  317           SEAL COMBINED WITH INDICATOR, SAMPLER, OR INSPECTION FEATURE
  318           . (1 indent ) Fluid pressure
  319           . (1 indent ) Fluid temperature
  320           . (1 indent ) Fluid leakage
  321           . (1 indent ) Wear, proper seating, or presence
  322           SEAL FOR WELL APPARATUS
  323           . (1 indent ) Installation, removal, assembly, disassembly, or repair feature
  324           . (1 indent ) For overpressure control device (e.g., seal for a blowout preventer, etc.)
  325           .. (2 indent ) Segmented radially actuated (e.g., ram type, etc.)
  326           .. (2 indent ) Rotatable
  327           .. (2 indent ) Axially compressed ring
  328           . (1 indent ) Longitudinally actuated packer for above ground apparatus
  329           .. (2 indent ) Contained or compressed by gland member in packing box
  330           ... (3 indent ) For line or cable
  331           . (1 indent ) Inflatable packer
  332           .. (2 indent ) Deforms radially inward
  333           .. (2 indent ) And inflating medium control
  334           .. (2 indent ) Particular wall structure
  335           . (1 indent ) Axially facing packing cup
  336           . (1 indent ) For below ground apparatus
  337           .. (2 indent ) Longitudinally actuated packer
  338           ... (3 indent ) Packing sleeve
  339           .... (4 indent ) Expanded by wedging member
  340           .... (4 indent ) Particular wall structure
  341           .... (5 indent ) Reinforcing feature
  342           ... (3 indent ) Plural stacked rings
  343           . (1 indent ) Seal (e.g., wiper, oil saver, stripper, etc.) accommodates irregular size of inner part
  344           . (1 indent ) Segmented radially actuated packer (e.g., oil saver, gas saver, etc.) for above ground apparatus
  345           SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL)
  346           . (1 indent ) Diverse and distinct dynamic seals
  347           .. (2 indent ) Close proximity seal (e.g., contactless, fluent, etc.)
  348           ... (3 indent ) And relatively rotatable radially extending contacting sealing members (e.g., face, mechanical, etc.)
  349           .... (4 indent ) And circumferential peripheral radially sealing flexible projection (e.g., lip seal, etc.)
  350           ... (3 indent ) And circumferential contact seal
  351           .... (4 indent ) Peripheral radially sealing flexible projection (e.g., lip seal, etc.)
  352           .. (2 indent ) Relatively rotatable radially extending contacting sealing members (e.g., face, mechanical, etc.)
  353           .. (2 indent ) And circumferential peripheral radially sealing flexible projection (e.g., lip seal, etc.)
  354           . (1 indent ) Helically threaded part
  355           . (1 indent ) Brush seal
  356           . (1 indent ) For journal box (e.g., railway car journal, etc.)
  357           . (1 indent ) For rotary piston
  358           . (1 indent ) Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.)
  359           .. (2 indent ) Temperature responsive feature
  360           ... (3 indent ) Accommodates or prevents thermal distortion
  361           .. (2 indent ) Multiple sealing faces (e.g., double seals, etc.)
  362           ... (3 indent ) Floating intermediate sealing face member
  363           .... (4 indent ) Including an outwardly axial biasing member
  364           ... (3 indent ) Concentric and radially spaced
  365           ... (3 indent ) Three or more
  366           ... (3 indent ) Shaft mounted sealing face members biased axially away from each other
  367           ... (3 indent ) Shaft mounted sealing face members biased axially towards each other
  368           ... (3 indent ) Housing mounted sealing face members biased axially away from each other
  369           ... (3 indent ) Housing mounted sealing face members biased axially towards each other
  370           .. (2 indent ) Installation, removal, assembly, disassembly, or repair feature
  371           ... (3 indent ) Unitized seal assembly (e.g., cartridge, etc.)
  372           .... (4 indent ) Having rotation prevention (i.e., antirotation) feature for the sealing face member
  373           .... (5 indent ) Lug or rib
  374           .... (4 indent ) Retains opposed sealing face members
  375           .... (4 indent ) Mounted in housing or casing
  376           .... (5 indent ) Snap fit into groove
  377           .. (2 indent ) Particular axial biasing feature
  378           ... (3 indent ) Magnetic
  379           ... (3 indent ) Particular spring feature
  380           .... (4 indent ) Made of elastomeric material
  381           .... (5 indent ) Frustoconical shape
  382           .... (5 indent ) O-ring shape
  383           .... (4 indent ) Imbedded in another material
  384           .... (4 indent ) Washerlike shape
  385           .... (4 indent ) Arrangement or location
  386           .... (5 indent ) Radially biasing member creates axial bias
  387           ... (3 indent ) Fluid pressure
  388           .... (4 indent ) Creates counter pressure
  389           .... (4 indent ) And bellows or diaphragm
  390           .. (2 indent ) Particular secondary mounting seal or driving connection
  391           ... (3 indent ) Flexible sleeve, boot, or diaphragm
  392           .... (4 indent ) Between sealing face member and shaft or part relating to shaft
  393           .... (4 indent ) Particular connecting feature to sealing face member
  394           ... (3 indent ) Peripheral radially sealing flexible projection (e.g., lip seal, etc.)
  395           .... (4 indent ) U- or V-shaped cross-sectional profile
  396           ... (3 indent ) Axially compressed packing
  397           ... (3 indent ) Frictionally engaged or interfitting projection and recess
  398           .. (2 indent ) Eccentric, gyratory, or oscillatory motion
  399           .. (2 indent ) Particular sealing face member configuration
  400           ... (3 indent ) Hydrodynamic feature
  401           ... (3 indent ) Fluid passage to the sealing face
  402           ... (3 indent ) Flexible projection (e.g., lip seal, etc.)
  403           ... (3 indent ) Angled or tapered sealing face
  404           .. (2 indent ) Made of particular material
  405           ... (3 indent ) Ceramic
  406           ... (3 indent ) Metal
  407           ... (3 indent ) Elastomeric or plastic
  408           .. (2 indent ) Introduction, circulation, or removal of fluid
  409           . (1 indent ) Close proximity seal (e.g., contactless, fluent, etc.)
  410           .. (2 indent ) Magnetic
  411           .. (2 indent ) Gap or clearance
  412           ... (3 indent ) Labyrinth
  413           .... (4 indent ) Having adjustable member
  414           .... (4 indent ) Formed by cellular pockets (e.g., honeycomb, etc.)
  415           .... (4 indent ) Having wear resistant, abradable, or ablative member
  416           .... (4 indent ) Segmented
  417           .... (4 indent ) Formed by multiple washers
  418           .... (4 indent ) Formed by plural grooves or projections on opposing surfaces
  419           .... (5 indent ) Interfitting or overlapping
  420           ..... (6 indent ) And axially oriented
  421           .... (4 indent ) Having installation, removal, assembly, disassembly, or repair feature
  422           ... (3 indent ) Floating ring or bushing
  423           .. (2 indent ) Impeller (e.g., slinger, etc.)
  424           ... (3 indent ) Rib or groove on radial extending surface
  425           ... (3 indent ) And static sealing means affected by rotational movement
  426           .... (4 indent ) Actuated by counterweight
  427           ... (3 indent ) Forms centrifugal liquid barrier
  428           .... (4 indent ) Having cup or chamber inside the impeller or another rotating member
  429           ... (3 indent ) Fluid collector or receiver
  430           ... (3 indent ) Helical groove or thread on axially extending surface
  431           .. (2 indent ) Formed by pressurized sealing fluid introduced to form barrier
  432           ... (3 indent ) External device or system
  433           . (1 indent ) Centrifugal force affects change in displacement, shape, or contact
  434           . (1 indent ) Piston ring or piston ring expander or seat therefor
  435           .. (2 indent ) Having installation, removal assembly, disassembly, or repair feature
  436           .. (2 indent ) Piston ring having peripheral radially sealing flexible projection (e.g., piston cup, etc.)
  437           ... (3 indent ) Having particular mounting, retaining, or supporting feature
  438           ... (3 indent ) Having C, U, or V cross-sectional profile
  439           .... (4 indent ) Axially facing cup
  440           .. (2 indent ) Piston ring surface of dissimilar material or hardness
  441           ... (3 indent ) Insert
  442           ... (3 indent ) Surface coating, plating, or impregnation
  443           .... (4 indent ) Nitrided
  444           .... (4 indent ) Chromium
  445           .. (2 indent ) Rotation limiting feature (i.e., antirotation)
  446           ... (3 indent ) Between rings
  447           .. (2 indent ) Floating piston ring
  448           ... (3 indent ) Material other than metal
  449           .. (2 indent ) Particular piston seat
  450           ... (3 indent ) Helical form
  451           ... (3 indent ) Stepped walls
  452           ... (3 indent ) Oblique wall
  453           .... (4 indent ) More than one oblique wall
  454           .... (5 indent ) Having parallel walls
  455           ... (3 indent ) Arcuate wall
  456           ... (3 indent ) Coating, treatment, or wall insert
  457           ... (3 indent ) Having passageway for fluid return, pressure relief, or venting
  458           .. (2 indent ) Piston ring having single piece noncircular or multiturn (e.g., helical, spiral, oblong, elliptical, polygonal, etc.) shape
  459           .. (2 indent ) Piston ring including exposed port, slot, pocket, groove, channel, recess, or bevel
  460           ... (3 indent ) Circumferential groove, channel, recess, or bevel
  461           .... (4 indent ) Axially spaced
  462           .... (5 indent ) Ports
  463           .... (4 indent ) Ports
  464           ... (3 indent ) Circumferentially spaced ports
  465           ... (3 indent ) Circumferentially spaced slots, pockets, grooves, channels, recesses, or bevels
  466           .. (2 indent ) Piston ring displays twisting or torsion
  467           .. (2 indent ) Particular piston ring expander
  468           ... (3 indent ) Separate and other than metal
  469           ... (3 indent ) Bias limiting feature
  470           ... (3 indent ) Adjustable loading feature
  471           ... (3 indent ) Thermal expansion feature
  472           ... (3 indent ) Annular expander nested in annular groove of the piston ring
  473           .... (4 indent ) Between piston rings
  474           .... (4 indent ) And contacting surfaces therebetween are complementary
  475           .... (5 indent ) Having more than one pair of such surfaces
  476           .... (4 indent ) Inclined or beveled groove contacting expander having dissimilar contour
  477           ... (3 indent ) Slotted or undulating circular band including inclined or axially facing seat for the piston ring
  478           .... (4 indent ) Axially spaced axially facing seats
  479           .... (5 indent ) Circular band having radially displaced undulations
  480           .... (5 indent ) Circular band having axially displaced undulations
  481           .... (5 indent ) U-shaped circular band radially directed either inwardly or outwardly throughout its circumference
  482           ... (3 indent ) Circumferentially spaced separately seated radially acting bias feature
  483           .... (4 indent ) Disposed in socket or about pin
  484           ... (3 indent ) Radially extending tongue formed from expander
  485           ... (3 indent ) Undulating periphery providing axially extending face against inner perimeter of the piston ring
  486           ... (3 indent ) Bias feature adjoining opposed ends of split or segmented piston ring
  487           ... (3 indent ) Segmented
  488           ... (3 indent ) For axially adjacent piston rings
  489           .. (2 indent ) Sectional piston ring structure
  490           ... (3 indent ) Eccentric or variable thickness component ring
  491           ... (3 indent ) C, L, T, U, V, or Z cross-sectional profile
  492           .... (4 indent ) Three or more sections
  493           .. (2 indent ) Segmented piston ring
  494           .. (2 indent ) Separate bridging piece for gap in piston ring
  495           ... (3 indent ) Secured to end
  496           .. (2 indent ) Split single piece piston ring having opposed asymmetrical mirrored ends
  497           ... (3 indent ) Arcuate or beveled mating surfaces
  498           .. (2 indent ) Split single piece piston ring having other than opposed asymmetrical mirrored ends
  499           ... (3 indent ) Arcuate or beveled mating surfaces
  500           . (1 indent ) Circumferential contact seal for other than piston
  501           .. (2 indent ) And magnetic bias
  502           .. (2 indent ) For valve stem in internal combustion engine
  503           .. (2 indent ) Accommodates gyratory or oscillatory motion
  504           ... (3 indent ) Flexible connection between seal and another part
  505           ... (3 indent ) Oscillates perpendicularly to axis of motion
  506           ... (3 indent ) Arcuate bearing surface
  507           .... (4 indent ) Partially spherical
  508           ... (3 indent ) Axially spring biased
  509           .... (4 indent ) Coaxial spring
  510           .. (2 indent ) Contained or compressed by gland member in packing box
  511           ... (3 indent ) Having installation, removal, assembly, disassembly, or repair feature
  512           ... (3 indent ) Fluid introducer or director
  513           .... (4 indent ) External device or system
  514           .... (4 indent ) Drain, pressure relief, or vent
  515           .... (4 indent ) Passage through axial facing surface
  516           .... (4 indent ) Spacer between seals (e.g., lantern ring, etc.)
  517           .... (4 indent ) Between packing boxes
  518           ... (3 indent ) Plural distinct packing boxes
  519           ... (3 indent ) Segmented packing boxes
  520           ... (3 indent ) Particular gland feature
  521           .... (4 indent ) Segmented
  522           .... (4 indent ) Spring bias
  523           .... (5 indent ) Disposed about external bolt or stud
  524           .... (4 indent ) Eye or T-type bolt
  525           .... (4 indent ) Internally threaded
  526           .... (4 indent ) Externally threaded
  527           ... (3 indent ) Wear sleeve
  528           ... (3 indent ) Helically coiled packing
  529           ... (3 indent ) Having particular cross-sectional seal profile
  530           .... (4 indent ) C-, M-, U-, V-, X-, or Z-shaped
  531           .... (4 indent ) Wedging surface
  532           .... (5 indent ) Made of elastomer or plastic
  533           .... (5 indent ) Segmented
  534           ... (3 indent ) Particular seal material or construction
  535           .... (4 indent ) Composite
  536           .... (5 indent ) Fibrous component
  537           ..... (6 indent ) Braided, woven, or twisted
  538           .... (5 indent ) Distinct sheath or covering
  539           .... (4 indent ) Graphite
  540           .... (4 indent ) Elastomer or plastic
  541           .... (4 indent ) Metal
  542           ... (3 indent ) Consisting of loose-fill type packing
  543           .. (2 indent ) Segmented ring
  544           ... (3 indent ) Having pressure balancing or radial bias reduction feature
  545           ... (3 indent ) Radial biasing spring element other than nominal garter spring
  546           ... (3 indent ) Particular segment end structure
  547           .... (4 indent ) Interfitting projection and recess
  548           ... (3 indent ) Plural complementary interfitting rings
  549           .. (2 indent ) Peripheral radially sealing flexible projection (e.g., lip seal, etc.)
  550           ... (3 indent ) Made of metal or is a scraper
  551           ... (3 indent ) Having installation, removal, assembly, disassembly, or repair feature
  552           ... (3 indent ) Having pressure relief or venting feature
  553           ... (3 indent ) Bias feature other than nominal garter spring
  554           .... (4 indent ) Embedded spring
  555           .... (4 indent ) Radially extending finger spring
  556           .... (4 indent ) Material other than metal
  557           .... (4 indent ) Axially extending helical or spiral spring
  558           .... (4 indent ) Particular fluid pressure responsive bias
  559           ... (3 indent ) Hydrodynamic sealing feature
  560           ... (3 indent ) Dimensional aspect of the flexible projection (e.g., angle, length, radius, thickness, etc.)
  561           ... (3 indent ) Intermediate flexible bending portion
  562           ... (3 indent ) Plural peripheral radially sealing flexible projections
  563           .... (4 indent ) Having interposed fluid receiver or director
  564           .... (4 indent ) Having insert between the flexible projections
  565           .... (4 indent ) On radial facing side of single seal
  566           .... (5 indent ) Both radial sides of the single seal (e.g., X-shaped, Y-shaped, etc.)
  567           .... (5 indent ) Radially facing U or V cross-sectional profile
  568           .... (5 indent ) Including an excluder or wiper
  569           ... (3 indent ) Lining or insert
  570           ... (3 indent ) Made entirely of fluorocarbon material
  571           ... (3 indent ) Wear sleeve
  572           ... (3 indent ) Particular mounting, frame, casing, or reinforcement feature
  573           .... (4 indent ) Peripheral mounting static seal
  574           .... (5 indent ) Protrusion or bead cross-sectional profile
  575           .... (4 indent ) Secured by molding or bonding
  576           .... (4 indent ) Secured by clamping
  577           .... (5 indent ) By distinct members
  578           .. (2 indent ) Having circumferentially adjustable biasing element
  579           .. (2 indent ) Having floating ring or bushing (i.e., circumferentially contacting)
  580           ... (3 indent ) Radially translatable in groove
  581           .... (4 indent ) And biased
  582           ... (3 indent ) Made of elastomer or plastic
  583           ... (3 indent ) Inflatable seal or seal biased by inflatable member
  584           .. (2 indent ) Extrusion preventing (i.e., antiextrusion) structure
  585           .. (2 indent ) Elongated sleeve or bushing
  586           .. (2 indent ) Seated in groove having stepped walls
  587           .. (2 indent ) Seated in groove having oblique wall
  589           .. (2 indent ) Radially backed by resilient or elastomeric member
  590           SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS
  591           . (1 indent ) Contact seal between parts of internal combustion engine
  592           .. (2 indent ) Particular coating or layer of sealing material
  593           .. (2 indent ) Having compression limiting feature
  594           .. (2 indent ) Particular dimensions or configuration of sealing bead or formation
  595           ... (3 indent ) Metallic
  596           ... (3 indent ) Elastomeric
  597           .. (2 indent ) Heat dissipating, cooling, or insulating feature
  598           .. (2 indent ) Having installation, removal, assembly, disassembly, or repair feature
  599           .. (2 indent ) Having flow restrictor
  600           .. (2 indent ) Covering member or eyelet for opening
  601           ... (3 indent ) Covering fire ring or sealing formation
  602           . (1 indent ) Contact seal for a pipe, conduit, or cable
  603           .. (2 indent ) Plural interfitting seal members for installation on the individual joined pipes, conduits, or cables
  604           .. (2 indent ) Allows rolling or folding
  605           .. (2 indent ) Hollow, fluid-filled, or inflatable
  606           .. (2 indent ) And wall
  607           .. (2 indent ) Sleeve type
  608           .. (2 indent ) Inserted between end-to-end pipe, conduit, or cable joint
  609           ... (3 indent ) Having installation, removal, assembly, disassembly, or repair feature
  610           ... (3 indent ) Spirally wound structure
  611           ... (3 indent ) Extrusion preventing (i.e., antiextrusion) or compression limiting feature
  612           ... (3 indent ) Having plural projections
  613           ... (3 indent ) Hose coupling
  614           ... (3 indent ) Each end has recess for the seal
  615           .. (2 indent ) Having axially spaced projections
  616           .. (2 indent ) Having associated mounting or retaining feature
  617           ... (3 indent ) Molded or cast into the pipe, conduit, or cable
  618           ... (3 indent ) Axially related or embedded coil spring
  619           ... (3 indent ) Axially related backing ring
  620           .... (4 indent ) Clamping gland
  621           .... (5 indent ) Particular axially acting feature
  622           ..... (6 indent ) Threaded gland
  623           .... (5 indent ) Particular gland shape
  624           .... (4 indent ) And seal secure together
  625           ... (3 indent ) Particular and located on the pipe, conduit, or cable
  626           .. (2 indent ) Particular seal shape
  627           .. (2 indent ) Particular seal material or construction
  628           . (1 indent ) Contact seal for other than internal combustion engine, or pipe, conduit, or cable
  629           .. (2 indent ) Magnetic
  630           .. (2 indent ) Having installation, removal, assembly, disassembly, or repair feature
  631           .. (2 indent ) Split including end joining structure
  632           .. (2 indent ) Segmented periphery
  633           .. (2 indent ) Spirally wound structure
  634           .. (2 indent ) Flexible sleeve, boot, or diaphragm
  635           ... (3 indent ) Dome-, cup-, or bell-shaped, or for ball joint
  636           ... (3 indent ) Tubular or frustoconical shape having corrugated wall portion
  637           .. (2 indent ) Having particular associated mounting or retaining feature
  638           ... (3 indent ) Extrusion preventing (i.e., antiextrusion) structure
  639           ... (3 indent ) Compression limiting feature
  640           ... (3 indent ) Anchoring feature extending through seal
  641           ... (3 indent ) Groove structure on the seal or part
  642           .... (4 indent ) Channel-shaped
  643           .... (4 indent ) Single seat formed by plural recesses
  644           .. (2 indent ) Particular cross-sectional seal profile
  645           ... (3 indent ) Hollow or filled chamber
  646           .... (4 indent ) Inflatable
  647           ... (3 indent ) C-, U-, or V-shaped
  648           ... (3 indent ) Plural projections along sealing surface
  649           .... (4 indent ) Plural projections along opposite sealing surfaces
  650           .. (2 indent ) Particular sealing material or construction
  651           ... (3 indent ) Embedded reinforcement
  652           ... (3 indent ) Distinct sheath or covering
  653           .... (4 indent ) Metal
  654           ... (3 indent ) Plural layers
 
 CROSS-REFERENCE ART COLLECTIONS
 
  902           SEAL FOR STERLING ENGINE
  903           SEAL FOR ROTATING KILN OR DRUM
  904           VISCOUS SEAL
  905           T-SHAPED OR I-SHAPED RING MEMBER INCLUDING SEAL ON A SIDE
  906           SEAL FOR ARTICLE OF INDEFINITE LENGTH (E.G., STRIP, SHEET, ETC.)
  907           PASSAGEWAY IN ROD OR SHAFT
  908           SEAL FOR USE IN ROTATING AND RECIPROCATING ARRANGEMENT
  909           SIMILAR SEALING STRUCTURES FOR MOUNTING ON PISTON AND ABOUT ROD
  910           O-RING SEAL
  911           SEAL COMBINED WITH NOMINAL MOTION TRANSMITTING DEVICE
  912           . (1 indent ) Spline connection
  913           SEAL FOR FLUID PRESSURE BELOW ATMOSPHERIC (E.G., VACUUM, ETC.)
  914           BACKUP SEAL FOR FAILURE OF PRIMARY SEAL
  915           SEAL INCLUDING COMPRESSION SET FEATURE
  916           SEAL INCLUDING VIBRATION DAMPENING FEATURE
  917           SEAL INCLUDING FRANGIBLE FEATURE
  918           SEAL COMBINED WITH FILTER OR FLUID SEPARATOR
  919           SEAL INCLUDING ELECTRICAL FEATURE
  920           SEAL INCLUDING ELECTROMAGNETIC SHIELDING FEATURE
  921           CLOSURE OR WEATHER STRIP SEAL
  922           BONDING OR JOINING FOR MANUFACTURE OF SEAL
  923           . (1 indent ) Shrink-fitting for the assembly of seal
  924           DEFORMATION, MATERIAL REMOVAL, OR MOLDING FOR MANUFACTURE OF SEAL
  925           SNAP FIT FEATURE FOR MOUNTING OR ASSEMBLY OF SEAL
  926           SEAL INCLUDING FLUID PRESSURE EQUALIZING OR BALANCING FEATURE
  927           SEAL INCLUDING FLUID PRESSURE DIFFERENTIAL FEATURE
  928           SEAL INCLUDING PRESSURE RELIEF OR VENT FEATURE
  929           SEAL FEATURE WHERE CHANGE IN OPERATION OR CONDITION INDUCES ADDITIONAL LEAKAGE CONTROL
  930           SEAL INCLUDING HEATING OR COOLING FEATURE
  931           SEAL INCLUDING TEMPERATURE RESPONSIVE FEATURE
  932           . (1 indent ) Bi-metallic
  933           . (1 indent ) Chemical reaction or physical change of state
  934           SEAL SWELLS WHEN WET
  935           SEAL MADE OF A PARTICULAR MATERIAL
  936           . (1 indent ) Composite
  937           .. (2 indent ) Glass particles or filament
  938           .. (2 indent ) Carbon or graphite particle or filament
  939           . (1 indent ) Containing metal
  940           .. (2 indent ) Alloy
  941           .. (2 indent ) Aluminum or copper
  942           .. (2 indent ) Silver or gold
  943           . (1 indent ) Ceramic or glass
  944           . (1 indent ) Elastomer or plastic
  945           .. (2 indent ) Containing fluorine
  946           ... (3 indent ) PTFE "TEFLON"
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS
 Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
 
  FOR100           RADIALLY CONTAINED PACKING WITH AXIALLY ACTING FOLLOWER (277/102)
  FOR101           . (1 indent ) Piston (277/103)
  FOR102           . (1 indent ) Sectional follower (277/104)
  FOR103           . (1 indent ) Bolted flange (277/105)
  FOR104           .. (2 indent ) Spring biased flange (277/106)
  FOR105           . (1 indent ) With operating handle (277/107)
  FOR106           . (1 indent ) With tool engaging means (277/108)
  FOR107           . (1 indent ) Weight actuated (277/109)
  FOR108           . (1 indent ) Screw thimble (277/110)
  FOR109           .. (2 indent ) With locking means (277/111)
  FOR110           . (1 indent ) Screw (277/112)
  FOR111           . (1 indent ) With operating mechanism (277/113)
  FOR112           . (1 indent ) Unidirectional movement (277/114)
  FOR113           . (1 indent ) Tapered follower or box (277/115)
  FOR114           .. (2 indent ) Arcuate (277/116)
  FOR115           . (1 indent ) Axially related backup member raidally actuated by movement of follower (277/116.2)
  FOR116           . (1 indent ) Telescoping actuator (277/116.4)
  FOR117           .. (2 indent ) With inserted sleeve expander (277/116.6)
  FOR118           .. (2 indent ) Deflected packing (277/116.8)
  FOR119           . (1 indent ) Wedging surfaces (277/117)
  FOR120           .. (2 indent ) Internal shell (277/118)
  FOR121           .. (2 indent ) Split or segmental packing (277/119)
  FOR122           ... (3 indent ) Expanding and contracting (277/120)
  FOR123           .... (4 indent ) Elastomeric (277/121)
  FOR124           ... (3 indent ) Contracting (277/122)
  FOR125           . (1 indent ) Plural packing elements (277/123)
  FOR126           .. (2 indent ) Nested (277/124)
  FOR127           .. (2 indent ) Diverse (277/125)
  FOR128           EXTERNALLY OPERATED ADJUSTMENT (277/126)
  FOR129           . (1 indent ) Fluid motor (277/127)
  FOR130           . (1 indent ) Circumferential band (277/128)
  FOR131           . (1 indent ) Acting along radius (277/129)
  FOR132           LATERAL ACCESS TO PACKING BOX (277/130)
  FOR133           . (1 indent ) With distinct closure (277/131)
  FOR134           .. (2 indent ) Packing attached (277/132)
  FOR135           IMPELLER TYPE (277/133)
  FOR136           . (1 indent ) Axially acting(277/134)
  FOR137           LIQUID BARRIER (277/135)
  FOR138           WITH ANTIROTATION KEY OR ANCHOR (277/136)
  FOR139           . (1 indent ) Radial wall(277/137)
  FOR140           WITH DISTINCT RADIALLY ACTING BIAS(277/138)
  FOR141           . (1 indent ) Unitary packing spacer and bias means (277/139)
  FOR142           .. (2 indent ) U-section (277/140)
  FOR143           . (1 indent ) Common bias for axially spaced packings (277/141)
  FOR144           . (1 indent ) With axially acting bias means (277/142)
  FOR145           . (1 indent ) With axially component (277/143)
  FOR146           .. (2 indent ) Complementary inclined surfaces (277/144)
  FOR147           ... (3 indent ) Transversely symmetrical (277/145)
  FOR148           . (1 indent ) With bias restrainer (277/146)
  FOR149           . (1 indent ) With adjustable loading means (277/147)
  FOR150           . (1 indent ) Individually biased segments (277/148)
  FOR151           . (1 indent ) Circumferentially spaced radially acting springs (277/149)
  FOR152           .. (2 indent ) With radial pin or socket (277/150)
  FOR153           . (1 indent ) Circumferential thrust (277/151)
  FOR154           . (1 indent ) Axial lip or boss (277/152)
  FOR155           .. (2 indent ) Exposed coil spring (277/153)
  FOR156           . (1 indent ) Interfitted segments (277/154)
  FOR157           . (1 indent ) With bridging segments (277/155)
  FOR158           . (1 indent ) Break joint (277/156)
  FOR159           . (1 indent ) Periphery engaging spring (277/157)
  FOR160           .. (2 indent ) Incompatible shapes (277/158)
  FOR161           ... (3 indent ) Radially extending tongues (277/159)
  FOR162           ... (3 indent ) Wave or undulate (277/160)
  FOR163           ... (3 indent ) Polygonal (277/161)
  FOR164           .. (2 indent ) Open-end (277/162)
  FOR165           .. (2 indent ) Spiral (277/163)
  FOR166           . (1 indent ) Embedded or enclosed spring (277/164)
  FOR167           . (1 indent ) Nonmetallic (277/165)
  FOR168           ANCHOR EXTENDING THROUGH OR INTERFITTED WITH PACKING (277/166)
  FOR169           HELICAL SEAT (277/167)
  FOR170           SERIALLY ARRANGED, SEPARATELY SEATED OR ANCHORED PACKING MEMBERS (277/167.3)
  FOR171           SINGLE SEAT FORMED BY OPPOSED RECESSES IN PLURAL MEMBERS (277/167.5)
  FOR172           LATITUDINALLY STEPPED OR TAPERED SEAT (277/168)
  FOR173           . (1 indent ) Arcuate wall (277/169)
  FOR174           . (1 indent ) Oblique wall (277/170)
  FOR175           .. (2 indent ) Plural (277/171)
  FOR176           ... (3 indent ) Parallel (277/172)
  FOR177           FLOATING PACKING MEMBER (277/173)
  FOR178           . (1 indent ) Radially translatable (277/174)
  FOR179           .. (2 indent ) Axially spring pressed (277/175)
  FOR180           . (1 indent ) Additional member (277/176)
  FOR181           . (1 indent ) Elastomeric (277/177)
  FOR182           INTERFITTING WITH RADIALLY PROJECTING FLANGE (277/178)
  FOR183           EMBEDDED REENFORCEMENT OPPOSING TAPERED MOUNTED SURFACE (277/179)
  FOR184           WITH COMPRESSION STOP (277/180)
  FOR185           PACKING ATTACHED RETAINER (277/181)
  FOR186           . (1 indent ) Peripheral shell (277/182)
  FOR187           .. (2 indent ) With radial mounting flange (277/183)
  FOR188           .. (2 indent ) Channel-shaped (277/184)
  FOR189           . (1 indent ) Plural at axially opposed ends (277/185)
  FOR190           . (1 indent ) Resilient (277/186)
  FOR191           PACKING CHAMBER OR SEAT WITH SEPARABLE END WALL (277/187)
  FOR192           WITH AXIALLY RELATED BACKING OR RETAINING MEMBER (277/188 R)
  FOR193           . (1 indent ) With anti-extrusion rings (277/188 A)
  FOR194           WITH ANCHOR OR RETAINER (277/189)
  FOR195           COMPOSITE SEAT (277/189.5)
  FOR196           WEDGING PORTIONS (277/190)
  FOR197           . (1 indent ) Enclosed (277/191)
  FOR198           SEGMENTAL (277/192)
  FOR199           . (1 indent ) Axially related segments (277/193)
  FOR200           .. (2 indent ) L-shaped (277/194)
  FOR201           .. (2 indent ) With radially related segment (277/195)
  FOR202           .. (2 indent ) Coiled or corrugated segment (277/196)
  FOR203           .. (2 indent ) Diametrically opposed splits (277/197)
  FOR204           . (1 indent ) Concentric segments (277/198)
  FOR205           . (1 indent ) Interfitting segments (277/199)
  FOR206           AXIALLY SPACED FLANGES WITH CORRUGATED CONNECTING WEB (277/200)
  FOR207           ANNULUS WITH DUCT OR PASSAGEWAY (277/201)
  FOR208           . (1 indent ) Elongated (277/202)
  FOR209           HELICAL (277/203)
  FOR210           VOLUTE (277/204)
  FOR211           FLEXIBLE U- OR V-CUP (277/205)
  FOR212           . (1 indent ) Radially facing (277/206 R)
  FOR213           .. (2 indent ) X-shape (277/206 A)
  FOR214           RIBBED CONTACT SURFACE (277/207 R)
  FOR215           . (1 indent ) Axially spaced (277/208)
  FOR216           .. (2 indent ) Opposite surfaces (277/209)
  FOR217           ... (3 indent ) Line contact (277/210)
  FOR218           . (1 indent ) Opposite surfaces (277/211)
  FOR219           . (1 indent ) Pipe joints or connections (277/207 A)
  FOR220           FLEXIBLE CUP OR FLANGE TYP(277/212R)
  FOR221           . (1 indent ) Flexible cup type (277/212 C)
  FOR222           . (1 indent ) Flange (277/212 F)
  FOR223           . (1 indent ) Flexible boot (277/212 FB)
  FOR224           CORRUGATED CONTACT SURFACE (277/213)
  FOR225           CIRCUMFERENTIAL GROOVE IN PERIPHERAL SURFACE (277/214)
  FOR226           WITH SPACED POCKETS, GROOVES, OR RECESSES (277/215)
  FOR227           SPLIT ANNULUS (227/216)
  FOR228           . (1 indent ) Variable radius (277/217)
  FOR229           . (1 indent ) With separate gap or bridging piece (277/218)
  FOR230           .. (2 indent ) End secured (277/219)
  FOR231           . (1 indent ) With joining structure (277/220)
  FOR232           .. (2 indent ) End-to-end tongue and slot (277/221)
  FOR233           .. (2 indent ) Beveled or arcuate mating surfaces (277/222)
  FOR234           . (1 indent ) With insert (277/223)
  FOR235           .. (2 indent ) Hard material (277/224)
  FOR236           WITH INTERMEDIATE RADIAL PERIPHERAL FLANGE (277/225)
  FOR237           FLUENT OR VACUUM CORE (277/226)
  FOR238           COMPOSITE (277/227)
  FOR239           . (1 indent ) Elastomeric core (277/228)
  FOR240           . (1 indent ) Distinct sheath (277/229)
  FOR241           .. (2 indent ) Woven or braided strands (277/230)
  FOR242           . (1 indent ) Reentrant contact surface (277/231)
  FOR243           .. (2 indent ) Enclosing plural plies (277/232)
  FOR244           . (1 indent ) Plural planar or conical plies (277/233)
  FOR245           .. (2 indent ) Metal faced (277/234)
  FOR246           . (1 indent ) Including metal (277/235 R)
  FOR247           .. (2 indent ) Planar coating (277/235 A)
  FOR248           .. (2 indent ) Engine gasket (277/235 B)
  FOR249           METALLIC (277/236)
  FOR250           MISCELLANEOUS (277/237 R)
  FOR251           . (1 indent ) Dust guard (277/237 A)


   Note: Some content linked to on this page may require a plug-in for Adobe Acrobat Reader.

This file produced by USPTO - SIRA - Office of Patent Automation - ReferenceTools Project. Questions or comments relating to this file should be directed to Patent Automation Feedback.

Click to skip end of page links


Intranet Home | Index | Resources | Contacts | Internet | Search | Firewall | Web Services

This data is current as of June/2006