Y10S 76/11
Tungsten and tungsten carbide
Y10S76/11 (Tungsten and tungsten carbide) appears on 75 US grants and 4 published applications in this corpus.
Search patents in Y10S- Granted patents
- 75
- Published applications
- 4
- Assignees
- 40
- Inventors
- 106
- Latest grant
- 19 Sep 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- PDC interface incorporating a closed network of features19 Sep 2006US 7,108,598 B1US Synthetic Corporation
- Method of making a cutting tool12 Sep 2006US 7,104,160 B2
- Method of manufacturing PDC cutters with chambers or passages17 Jan 2006US 6,986,297 B2Baker Hughes Incorporated
- Cutting element having a substrate, a transition layer and an ultra hard material layer17 May 2005US 6,892,836 B1Smith International, Inc.
- Coated tool for warm-and/or-hot working with superior galling resistance property and superior wear resistance2 Nov 2004US 6,811,899 B2Hitachi Metals, Ltd.
- Method of manufacturing PDC cutters with chambers or passages3 Jun 2004US 2004/0103757 A1Baker Hughes Incorporated
- Method of making a cutting tool20 May 2004US 2004/0093989 A1
- Coated tool for warm-and/or-hot working with superior galling resistance property and superior wear resistance27 Mar 2003US 2003/0059632 A1Hitachi Metals, Ltd.
- Method of manufacturing PDC cutter with chambers or passages30 Jan 2003US 2003/0019333 A1Baker Hughes Incorporated
Most cited
By later US patents
- Cutting composite formed of cemented carbide substrate and diamond layer481US 5,120,327 ADiamant Boart-Stratabit (USA) Inc. · 1992
- Method of drill bit manufacture219US 4,499,795 AStrata Bit Corporation · 1985
- Rotary drill bit with abrasion and erosion resistant facing200US 4,884,477 AEastman Christensen Company · 1989
- Method for forming a non-uniform interface adjacent ultra hard material132US 6,193,001 B1Smith International, Inc. · 2001
- Wear compensating rock bit insert121US 4,722,405 ADresser Industries, Inc. · 1988