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Class Information
Number: 419/62
Name: Powder metallurgy processes > Forming articles by uniting randomly associated metal particles > Powder pretreatment
Description: Processes which include preliminary significant treatment, preparation or manufacture of the powder or particular material, prior to any compacting or consolidation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7442338 |
Product manufacture in structural metallic materials reinforced with carbides |
Oct. 28, 2008 |
| 7261759 |
Powder metal mixture including micronized starch |
Aug. 28, 2007 |
| 7258812 |
Compound magnetic material and fabrication method thereof |
Aug. 21, 2007 |
| 7160502 |
Method for producing anode for rechargeable battery |
Jan. 9, 2007 |
| 6451251 |
Method for manufacturing billet using aqueous salt solutions |
Sep. 17, 2002 |
| 6248150 |
Method for manufacturing tungsten-based materials and articles by mechanical alloying |
Jun. 19, 2001 |
| 6238614 |
Selective infiltration manufacturing method and apparatus to fabricate prototypes and moulds by infiltrating molten droplets selectively into layers of powder |
May. 29, 2001 |
| 6136061 |
Nanostructured metal compacts, and method of making same |
Oct. 24, 2000 |
| 6074453 |
Ultrafine hydrogen storage powders |
Jun. 13, 2000 |
| 6042781 |
Ambient temperature method for increasing the green strength of parts |
Mar. 28, 2000 |
| 5628047 |
Method of manufacturing a radially oriented magnet |
May. 6, 1997 |
| 5538684 |
Powder metallurgy lubricant composition and methods for using same |
Jul. 23, 1996 |
| 5538684 |
Powder metallurgy lubricant composition and methods for using same |
Jul. 23, 1996 |
| 5529747 |
Formable composite magnetic flux concentrator and method of making the concentrator |
Jun. 25, 1996 |
| 5505903 |
Method of producing cold-moulded iron-containing briquettes |
Apr. 9, 1996 |
| 5468446 |
Pelletizing or granulating process |
Nov. 21, 1995 |
| 5458847 |
Electroless plating method of NI-Al intermetallic compound |
Oct. 17, 1995 |
| 5447682 |
Method for production of magnetic coating material |
Sep. 5, 1995 |
| 5407633 |
Method of manufacturing a dispenser cathode |
Apr. 18, 1995 |
| 5342575 |
Process for producing billet of powdery alloy by special arrangement of powders |
Aug. 30, 1994 |
| 5306462 |
Fibrous tantalum and capacitors made therefrom |
Apr. 26, 1994 |
| 5080859 |
Process for hardening sponge refractory metals and pressing to form a shape |
Jan. 14, 1992 |
| 5059387 |
Method of forming shaped components from mixtures of thermosetting binders and powders having a desired chemistry |
Oct. 22, 1991 |
| 5033939 |
Method of forming shaped components from mixtures of thermosetting binders and powders having a desired chemistry |
Jul. 23, 1991 |
| 4976917 |
Method of manufacturing hardwearing aluminum alloy part |
Dec. 11, 1990 |
| 4933025 |
Method for enhancing magnetic properties of rare earth permanent magnets |
Jun. 12, 1990 |
| 4931252 |
Process for reducing the disparities in mechanical values of tungsten-nickel-iron alloys |
Jun. 5, 1990 |
| 4909840 |
Process of manufacturing nanocrystalline powders and molded bodies |
Mar. 20, 1990 |
| 4889582 |
Age hardenable dispersion strengthened high temperature aluminum alloy |
Dec. 26, 1989 |
| 4865652 |
Method of producing titanium-modified austenitic steel having improved swelling resistance |
Sep. 12, 1989 |
| 4832741 |
Powder-metallurgical process for the production of a green pressed article of high strength and of low relative density from a heat-resistant aluminum alloy |
May. 23, 1989 |
| 4818482 |
Method for surface activation of water atomized powders |
Apr. 4, 1989 |
| 4808225 |
Method for producing an alloy product of improved ductility from metal powder |
Feb. 28, 1989 |
| 4799955 |
Soft composite metal powder and method to produce same |
Jan. 24, 1989 |
| 4797155 |
Method for making metal matrix composites |
Jan. 10, 1989 |
| 4784335 |
Finely divided powder and process and apparatus for treating the same |
Nov. 15, 1988 |
| 4764212 |
Thermoelectric material for low temperature use and method of manufacturing the same |
Aug. 16, 1988 |
| 4759905 |
Method for fabrication of low cost finely divided silicon-germanium and consolidated compacts thereof |
Jul. 26, 1988 |
| 4755353 |
Process for producing metal foils |
Jul. 5, 1988 |
| 4734253 |
Preparation of sintered magnets |
Mar. 29, 1988 |
| 4726843 |
Aluminum alloy powder product |
Feb. 23, 1988 |
| 4678634 |
Method for the preparation of an anisotropic sintered permanent magnet |
Jul. 7, 1987 |
| 4676829 |
Cold worked tri-nickel aluminide alloy compositions |
Jun. 30, 1987 |
| 4650519 |
Nickel aluminide compositions |
Mar. 17, 1987 |
| 4624705 |
Mechanical alloying |
Nov. 25, 1986 |
| 4615736 |
Preparation of metal powders |
Oct. 7, 1986 |
| 4613368 |
Tri-nickel aluminide compositions alloyed to overcome hot-short phenomena |
Sep. 23, 1986 |
| 4613480 |
Tri-nickel aluminide composition processing to increase strength |
Sep. 23, 1986 |
| 4609528 |
Tri-nickel aluminide compositions ductile at hot-short temperatures |
Sep. 2, 1986 |
| 4579587 |
Method for producing high strength metal-ceramic composition |
Apr. 1, 1986 |
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