C22C 29/08
Based on tungsten carbide
Official title: based on tungsten carbide
C22C29/08 (Based on tungsten carbide) appears on 793 US grants and 901 published applications in this corpus.
Search patents in C22C- Granted patents
- 793
- Published applications
- 901
- Assignees
- 299
- Inventors
- 1,520
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 8 | 0 |
| 2001 | 25 | 3 |
| 2002 | 14 | 15 |
| 2003 | 20 | 19 |
| 2004 | 13 | 20 |
| 2005 | 11 | 20 |
| 2006 | 11 | 19 |
| 2007 | 12 | 26 |
| 2008 | 10 | 25 |
| 2009 | 12 | 27 |
| 2010 | 24 | 41 |
| 2011 | 16 | 30 |
| 2012 | 25 | 35 |
| 2013 | 29 | 35 |
| 2014 | 28 | 37 |
| 2015 | 23 | 39 |
| 2016 | 30 | 36 |
| 2017 | 26 | 40 |
| 2018 | 20 | 52 |
| 2019 | 28 | 66 |
| 2020 | 45 | 52 |
| 2021 | 47 | 53 |
| 2022 | 40 | 43 |
| 2023 | 28 | 30 |
| 2024 | 35 | 57 |
| 2025 | 50 | 50 |
| 2026 | 33 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cemented carbide and mold for ultra-high pressure generating device using the same6 Oct 2026US 12,753,467 B2Sumitomo Electric Hardmetal Corp.
- Metal matrix composites for drill bits6 Oct 2026US 12,753,469 B2Kennametal Inc.
- Surface-coated cutting tool29 Sep 2026US 12,746,604 B2Mitsubishi Materials Corporation
- Method of forming a contact piece for a circuit breaker15 Sep 2026US 12,734,725 B2ABB Schweiz AG
- Cutting tool8 Sep 2026US 12,728,456 B2Seco Tools AB
- Infiltrated components8 Oct 2026US 2026/0308731 A1Oerlikon Metco (US) Inc.
- Precision nozzle and process for producing the same24 Sep 2026US 2026/0285669 A1Kyoritsu Gokin Co., Ltd.
- Methods for manufacturing additive manufacturing components27 Aug 2026US 2026/0249350 A1Valls Besitz GmbH
- Cemented carbide, coated cemented carbide, and tool having the same27 Aug 2026US 2026/0250806 A1Tungaloy Corporation
- Metal alloy and compositions and uses thereof27 Aug 2026US 2026/0250807 A1Phaseshift Technologies Inc.
Most cited
By later US patents
- Heterogeneous composite bodies with isolated cermet regions formed by high temperature, rapid consolidation253US 9,943,918 B2Powdermet, Inc. · 2018
- Cemented carbide body used preferably for rock drilling and mineral cutting171US 4,743,515 ASantrade Ltd. · 1988
- Double cemented carbide composites169US 5,880,382 ASmith International, Inc. · 1999
- Preferentially binder enriched cemented carbide bodies and method of manufacture147US 4,610,931 AKennametal Inc. · 1986
- Cemented carbide body for rock drilling mineral cutting and highway engineering144US 5,718,948 ASandvik AB · 1998