Metal Treatment Patents (Class 148)
- Superconductive metal or alloy (i.e., superconductive Tc at or below 30K) (Class 148/96)
- Treating in extraterrestrial environment (e.g., space, moon, etc.) or zero gravity environment (Class 148/99)
- Magnetic materials (Class 148/100)
- Chemical-heat removing (e.g., flame-cutting, etc.) or burning of metal (Class 148/194)
- Carburizing or nitriding using externally supplied carbon or nitrogen source (Class 148/206)
- With ion implantation (Class 148/239)
- Processes of coating utilizing a reactive composition which reacts with metal substrate or composition therefore (Class 148/240)
- Utilizing disclosed mathematical formula or relationship (Class 148/500)
- With measuring, testing, or sensing (Class 148/508)
- Surface melting (e.g., melt alloying, etc.) (Class 148/512)
- Treating loose metal powder, particle or flake (Class 148/513)
- Treating consolidated metal powder, per se (i.e., no sintering or compacting step present) (Class 148/514)
- With explosive or exothermic agent (Class 148/515)
- Producing or treating layered, bonded, welded, or mechanically engaged article or stock as a final product (Class 148/516)
- With casting or solidifying from melt (Class 148/538)
- With vibration (e.g., mechanical, sound, etc.) (Class 148/558)
- Heating or cooling of solid metal (Class 148/559)
- With contiguous layer doped to degeneracy (Class 148/33.1)
- With recess, void, dislocation, grain boundaries or channel openings (Class 148/33.2)
- With non-semiconductive coating thereon (Class 148/33.3)
- With contiguous layers of different semiconductive material (Class 148/33.4)
- Having at least three contiguous layers of semiconductive material (Class 148/33.5)
- Radioactive (Class 148/401)
- Magnetic (Class 148/300)
- Carburized or nitrided (Class 148/316)
- Mechanical memory (Class 148/402)
- Amorphous, i.e., glassy (Class 148/403)
- Directionally solidified (Class 148/404)
- Ferrous (i.e., iron base) (Class 148/320)
- Age or precipitation hardened or strengthened (Class 148/405)
- Magnesium base (Class 148/420)
- Titanium, zirconium, or hafnium base (Class 148/421)
- Vanadium, niobum, or tantalum base (Class 148/422)
- Chromium, molybdenum, or tungsten base (Class 148/423)
- Manganese base (Class 148/424)
- Cobalt base (Class 148/425)
- Nickel base (Class 148/426)
- Noble metal base (Class 148/430)
- Copper base (Class 148/432)
- Aluminum base (Class 148/437)
- Zinc base (Class 148/441)
- Containing over 50 per cent metal, but no base metal (Class 148/442)
Cross-Reference Art Collections
- Directly treated with high energy electromagnetic waves or particles (e.g., laser, electron beam) (Class 148/903)
- Crankshaft (Class 148/904)
- Cutting tool (Class 148/905)
- Roller bearing element (Class 148/906)
- Threaded or headed fastener (Class 148/907)
- Spring (Class 148/908)
- Tube (Class 148/909)
- In pattern discontinuous in two dimensions (e.g., checkerboard pattern) (Class 148/910)
