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Class Information
Number: 419/13
Name: Powder metallurgy processes > Powder metallurgy processes with heating or sintering > Metal and nonmetal in final product > Nitride containing
Description: Processes in which the nonmetal material consists of a nitride.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6228138 |
Good machinability Fe-based sintered alloy and process of manufacture therefor |
May. 8, 2001 |
| 6228481 |
Composite material having discontinuous three-dimensional network structure and production thereof |
May. 8, 2001 |
| 6200526 |
Method of controlling infiltration of complex-shaped ceramic-metal composite articles and the products produced thereby |
Mar. 13, 2001 |
| 6193928 |
Process for manufacturing ceramic metal composite bodies, the ceramic metal composite bodies and their use |
Feb. 27, 2001 |
| 6168755 |
High nitrogen stainless steel |
Jan. 2, 2001 |
| 6159419 |
ALN dispersed powder aluminum alloy and method of preparing the same |
Dec. 12, 2000 |
| 6139765 |
Magnetic powder, permanent magnet produced therefrom and process for producing them |
Oct. 31, 2000 |
| 6129891 |
Titanium-based carbonitride alloy with controllable wear resistance and toughness |
Oct. 10, 2000 |
| 6126710 |
Method of producing a sintered slide bearing and slide bearing |
Oct. 3, 2000 |
| 6123895 |
Aluminum base member for semiconductor device containing a nitrogen rich surface and method for producing the same |
Sep. 26, 2000 |
| 6096111 |
Exothermically sintered homogeneous composite and fabrication method |
Aug. 1, 2000 |
| 6066270 |
Process for the Production of low TC superconductor molded bodies |
May. 23, 2000 |
| 6051045 |
Metal-matrix composites |
Apr. 18, 2000 |
| 6033624 |
Methods for the manufacturing of nanostructured metals, metal carbides, and metal alloys |
Mar. 7, 2000 |
| 6022508 |
Method of powder metallurgical manufacturing of a composite material |
Feb. 8, 2000 |
| 6019813 |
Cobalt metal agglomerates, process for producing the same and their use |
Feb. 1, 2000 |
| 6015447 |
Cobalt metal agglomerates, a method of producing them and their use |
Jan. 18, 2000 |
| 6014263 |
Optical lens and method of preventing clouding thereof at high temperatures |
Jan. 11, 2000 |
| 5989731 |
Composite material and method of manufacturing the same |
Nov. 23, 1999 |
| 5985440 |
Sintered silver-iron material for electrical contacts and process for producing it |
Nov. 16, 1999 |
| 5980813 |
Rapid prototyping using multiple materials |
Nov. 9, 1999 |
| 5976214 |
Slide member of sintered aluminum alloy and method of manufacturing the same |
Nov. 2, 1999 |
| 5976458 |
Iron aluminide useful as electrical resistance heating elements |
Nov. 2, 1999 |
| 5937268 |
Sintered sliding member and production method thereof |
Aug. 10, 1999 |
| 5930581 |
Method of preparing complex-shaped ceramic-metal composite articles and the products produced thereby |
Jul. 27, 1999 |
| 5918103 |
Plate-crystalline tungsten carbide-containing hard alloy, composition for forming plate-crystalline tungsten carbide and process for preparing said hard alloy |
Jun. 29, 1999 |
| 5905937 |
Method of making sintered ductile intermetallic-bonded ceramic composites |
May. 18, 1999 |
| 5897830 |
P/M titanium composite casting |
Apr. 27, 1999 |
| 5889219 |
Superhard composite member and method of manufacturing the same |
Mar. 30, 1999 |
| 5860055 |
Process for producing granular material and shaped parts from hard metal materials or cermet materials |
Jan. 12, 1999 |
| 5848348 |
Method for fabrication and sintering composite inserts |
Dec. 8, 1998 |
| 5842107 |
Sintering process for AIN powder coated with Al film |
Nov. 24, 1998 |
| 5824923 |
Sintered friction material, composite copper alloy powder used therefor and manufacturing method thereof |
Oct. 20, 1998 |
| 5799238 |
Method of making multilayered titanium ceramic composites |
Aug. 25, 1998 |
| 5773733 |
Alumina-aluminum nitride-nickel composites |
Jun. 30, 1998 |
| 5773734 |
Nitrided powdered metal piston ring |
Jun. 30, 1998 |
| 5762843 |
Method of making composite cermet articles |
Jun. 9, 1998 |
| 5762863 |
Method of producing ceramic matrix composite material |
Jun. 9, 1998 |
| 5754935 |
Vane material and process for preparing same |
May. 19, 1998 |
| 5741596 |
Coating for oxidation protection of metal surfaces |
Apr. 21, 1998 |
| 5720917 |
Manufacturing method for silicon nitride-based sintered body |
Feb. 24, 1998 |
| 5697042 |
Composite cermet articles and method of making |
Dec. 9, 1997 |
| 5695544 |
Silicon nitride based sintered product |
Dec. 9, 1997 |
| 5688450 |
Method of making an electronic package structure utilizing aluminum nitride/aluminum composite material |
Nov. 18, 1997 |
| 5682589 |
Aluminum nitride body having graded metallurgy |
Oct. 28, 1997 |
| 5682590 |
Coated titanium-based carbonitride |
Oct. 28, 1997 |
| 5675837 |
Process for the preparation of fibre reinforced metal matrix composites and novel preforms therefor |
Oct. 7, 1997 |
| 5666631 |
Metal article and method for producing the same |
Sep. 9, 1997 |
| 5666636 |
Process for preparing sintered titanium nitride cermets |
Sep. 9, 1997 |
| 5659872 |
Sintered carbonitride alloy and method of producing |
Aug. 19, 1997 |
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