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[Search a list of Patent Appplications for class 148]  Class   148METAL TREATMENT
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   [List of Patents for class 148 subclass 95]  95           PROCESS OF MODIFYING OR MAINTAINING INTERNAL PHYSICAL STRUCTURE (I.E., MICROSTRUCTURE) OR CHEMICAL PROPERTIES OF METAL, PROCESS OF REACTIVE COATING OF METAL AND PROCESS OF CHEMICAL-HEAT REMOVING (E.G., FLAME-CUTTING, ETC.) OR BURNING OF METAL
   [List of Patents for class 148 subclass 96]  96           Subclass 96 indent level is 1 Superconductive metal or alloy (i.e., superconductive Tc at or below 30`K)
    [List of Patents for class 148 subclass 97]  97           Subclass 97 indent level is 2 Particle (e.g., ion, neutron, etc.) bombardment or electromagnetic wave energy (e.g., laser, etc.)
    [List of Patents for class 148 subclass 98]  98           Subclass 98 indent level is 2 Producing or treating an A3B (e.g., Nb3Sn, V3Ga, Nb3Al, etc.) superconducting alloy
    [List of Patents for class 148 subclass 99]  99           Subclass 99 indent level is 1 Treating in extraterrestrial environment (e.g., space, moon, etc.) or zero gravity environment
   [List of Patents for class 148 subclass 100]  100           Subclass 100 indent level is 1 Magnetic materials
   [List of Patents for class 148 subclass 101]  101           Subclass 101 indent level is 2 Permanent magnet
    [List of Patents for class 148 subclass 102]  102           Subclass 102 indent level is 3 Age hardening
    [List of Patents for class 148 subclass 103]  103           Subclass 103 indent level is 3 Treatment in a magnetic field
    [List of Patents for class 148 subclass 104]  104           Subclass 104 indent level is 2 Dust cores
    [List of Patents for class 148 subclass 105]  105           Subclass 105 indent level is 2 Particulate material
    [List of Patents for class 148 subclass 108]  108           Subclass 108 indent level is 2 Treatment in a magnetic field
   [List of Patents for class 148 subclass 110]  110           Subclass 110 indent level is 2 Silicon steel
    [List of Patents for class 148 subclass 111]  111           Subclass 111 indent level is 3 Working
   [List of Patents for class 148 subclass 112]  112           Subclass 112 indent level is 3 Heat treatment
    [List of Patents for class 148 subclass 113]  113           Subclass 113 indent level is 4 With special compositions
    [List of Patents for class 148 subclass 120]  120           Subclass 120 indent level is 2 Working
   [List of Patents for class 148 subclass 121]  121           Subclass 121 indent level is 2 Heat treatment
    [List of Patents for class 148 subclass 122]  122           Subclass 122 indent level is 3 With special compositions
   [List of Patents for class 148 subclass 194]  194           Subclass 194 indent level is 1 Chemical-heat removing (e.g., flame-cutting, etc.) or burning of metal
    [List of Patents for class 148 subclass 195]  195           Subclass 195 indent level is 2 Control responsive to sensed condition of workpiece
    [List of Patents for class 148 subclass 196]  196           Subclass 196 indent level is 2 Program or pattern control
    [List of Patents for class 148 subclass 197]  197           Subclass 197 indent level is 2 Utilizing fluid contact other than flame
   [List of Patents for class 148 subclass 198]  198           Subclass 198 indent level is 2 With solid additive
    [List of Patents for class 148 subclass 199]  199           Subclass 199 indent level is 3 Metal powder
    [List of Patents for class 148 subclass 200]  200           Subclass 200 indent level is 2 Of edge or corner (e.g., deburring, etc.)
    [List of Patents for class 148 subclass 201]  201           Subclass 201 indent level is 2 Cylindrical workpiece
   [List of Patents for class 148 subclass 202]  202           Subclass 202 indent level is 2 Scarfing (e.g., desurfacing, planing, gouging, etc.)
    [List of Patents for class 148 subclass 204]  204           Subclass 204 indent level is 2 Flame piercing
    [List of Patents for class 148 subclass 205]  205           Subclass 205 indent level is 2 Plural nozzles or plural work-contacting jets
   [List of Patents for class 148 subclass 206]  206           Subclass 206 indent level is 1 Carburizing or nitriding using externally supplied carbon or nitrogen source
    [List of Patents for class 148 subclass 207]  207           Subclass 207 indent level is 2 Carburizing or nitriding uniformly throughout the entire mass (i.e., internal carburizing)
    [List of Patents for class 148 subclass 208]  208           Subclass 208 indent level is 2 With decarburizing or denitriding
    [List of Patents for class 148 subclass 209]  209           Subclass 209 indent level is 2 Utilizing particulate fluid bed
   [List of Patents for class 148 subclass 210]  210           Subclass 210 indent level is 2 Of selected surface area (e.g., zone, top only, etc.)
   [List of Patents for class 148 subclass 215]  215           Subclass 215 indent level is 2 Measuring, sensing, or testing
    [List of Patents for class 148 subclass 217]  217           Subclass 217 indent level is 2 With noncarburizing or non-nitriding reactive coating (e.g., oxidizing, siliconizing, boronizing, etc.)
   [List of Patents for class 148 subclass 218]  218           Subclass 218 indent level is 2 Combined carburizing and nitriding (e.g., carbonitriding, nitrocarburizing, etc.)
    [List of Patents for class 148 subclass 220]  220           Subclass 220 indent level is 2 With producing or treating of workpiece having plural noncarburized or non-nitrided layers or mechanically engaged article or stock
    [List of Patents for class 148 subclass 221]  221           Subclass 221 indent level is 2 With casting or solidifying from melt
    [List of Patents for class 148 subclass 222]  222           Subclass 222 indent level is 2 Utilizing ionized gas (e.g., plasma, etc.) or electron arc or beam
    [List of Patents for class 148 subclass 223]  223           Subclass 223 indent level is 2 Including use of vacuum
    [List of Patents for class 148 subclass 224]  224           Subclass 224 indent level is 2 Utilizing wave energy (e.g., laser, etc.) or electric heating with work as conductor
   [List of Patents for class 148 subclass 225]  225           Subclass 225 indent level is 2 Iron(Fe) or iron base alloy
    [List of Patents for class 148 subclass 237]  237           Subclass 237 indent level is 2 Refractory metal (i.e., Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W) or refractory base alloy
    [List of Patents for class 148 subclass 238]  238           Subclass 238 indent level is 2 Nitriding
    [List of Patents for class 148 subclass 239]  239           Subclass 239 indent level is 1 With ion implantation
   [List of Patents for class 148 subclass 240]  240           Subclass 240 indent level is 1 Processes of coating utilizing a reactive composition which reacts with metal substrate or composition therefore
    [List of Patents for class 148 subclass 241]  241           Subclass 241 indent level is 2 Testing or electrical or wave energy utilized
    [List of Patents for class 148 subclass 242]  242           Subclass 242 indent level is 2 Molten bath or molten surface utilized during reaction
   [List of Patents for class 148 subclass 243]  243           Subclass 243 indent level is 2 Liquid reactive coating composition utilized
    [List of Patents for class 148 subclass 244]  244           Subclass 244 indent level is 3 Dye or organic pigment containing
    [List of Patents for class 148 subclass 245]  245           Subclass 245 indent level is 3 Electrically insulating coating formed which is more than mere oxide formation
    [List of Patents for class 148 subclass 246]  246           Subclass 246 indent level is 3 Contains lubricant or oil or overcoat thereof
    [List of Patents for class 148 subclass 247]  247           Subclass 247 indent level is 3 Contains an atom of hafnium, titanium or zirconium (excludes activating composition)
   [List of Patents for class 148 subclass 248]  248           Subclass 248 indent level is 3 Contains nonreactive organic liquid at ambient temperature (e.g., solvent, etc.)
    [List of Patents for class 148 subclass 249]  249           Subclass 249 indent level is 4 Nonreactive halogenated hydrocarbon
    [List of Patents for class 148 subclass 250]  250           Subclass 250 indent level is 3 Contains organic phosphorus or organic chromium compound
    [List of Patents for class 148 subclass 251]  251           Subclass 251 indent level is 3 Contains solid synthetic polymer
    [List of Patents for class 148 subclass 252]  252           Subclass 252 indent level is 3 Contains dicarboxylic acid or salt thereof which reacts with metal substrate
   [List of Patents for class 148 subclass 253]  253           Subclass 253 indent level is 3 Contains phosphorus
   [List of Patents for class 148 subclass 264]  264           Subclass 264 indent level is 3 Contains an atom of chromium
    [List of Patents for class 148 subclass 269]  269           Subclass 269 indent level is 3 Metal substrate contains elemental Ti, Zr, Hf, Cu, Ta, or Th or alloy thereof
   [List of Patents for class 148 subclass 270]  270           Subclass 270 indent level is 3 Contains an atom of sulfur, selenium or tellurium
    [List of Patents for class 148 subclass 271]  271           Subclass 271 indent level is 4 Contains organic sulfur compound
    [List of Patents for class 148 subclass 272]  272           Subclass 272 indent level is 3 Coating or treating a metal oxide with a specified composition
    [List of Patents for class 148 subclass 273]  273           Subclass 273 indent level is 3 Contains an atom of arsenic or metal atom other than alkali metal
    [List of Patents for class 148 subclass 274]  274           Subclass 274 indent level is 3 Contains organic material
    [List of Patents for class 148 subclass 275]  275           Subclass 275 indent level is 3 Metal substrate contains elemental aluminum or magnesium or alloy thereof
    [List of Patents for class 148 subclass 276]  276           Subclass 276 indent level is 2 Coating during or after metal oxide formation
    [List of Patents for class 148 subclass 277]  277           Subclass 277 indent level is 2 Metal oxide formed after applied coating
    [List of Patents for class 148 subclass 278]  278           Subclass 278 indent level is 2 Carbide formation, decarburization or carbonizing
    [List of Patents for class 148 subclass 279]  279           Subclass 279 indent level is 2 Contains an atom of boron or silicon that reacts with metal substrate
    [List of Patents for class 148 subclass 280]  280           Subclass 280 indent level is 2 Reactive material applied nonuniformly or reacted selectively