C22C 1/0425
Copper-based alloys
Official title: {Copper-based alloys}
C22C1/0425 (Copper-based alloys) appears on 140 US grants and 200 published applications in this corpus.
Search patents in C22C- Granted patents
- 140
- Published applications
- 200
- Assignees
- 185
- Inventors
- 652
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 0 |
| 2003 | 4 | 4 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 8 |
| 2010 | 1 | 6 |
| 2011 | 0 | 7 |
| 2012 | 2 | 1 |
| 2013 | 3 | 3 |
| 2014 | 3 | 2 |
| 2015 | 4 | 2 |
| 2016 | 3 | 3 |
| 2017 | 1 | 6 |
| 2018 | 1 | 3 |
| 2019 | 5 | 9 |
| 2020 | 8 | 2 |
| 2021 | 4 | 3 |
| 2022 | 2 | 4 |
| 2023 | 6 | 27 |
| 2024 | 9 | 48 |
| 2025 | 17 | 35 |
| 2026 | 8 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing copper alloy powder for metal AM25 Aug 2026US 12,715,040 B2Mitsubishi Materials Corporation
- Sliding member, bearing, sliding member manufacturing method, and bearing manufacturing method9 Jun 2026US 12,650,146 B2Senju Metal Industry Co., Ltd.
- Joint structure2 Jun 2026US 12,643,147 B2Mitsui Kinzoku Company, Limited
- Oxide-containing copper fine particles, method for producing same, and method for producing sintered compact using oxide-containing copper fine particles12 May 2026US 12,623,281 B2National University Corporation Hokkaido University
- Oxidation resistant high conductivity copper alloys5 May 2026US 12,618,124 B2Honeywell Federal Manufacturing & Technologies, LLC
- Copper powder20 Aug 2026US 2026/0241443 A1JX Advanced Metals Corporation
- Metal matrix composite materials and methods of manufacturing thereof20 Aug 2026US 2026/0242903 A1Epos Technologies Limited
- Composite wire and robot13 Aug 2026US 2026/0237539 A1Panasonic Intellectual Property Management Co., Ltd.
- Composite material and method for producing same6 Aug 2026US 2026/0226586 A1Asahi Diamond Industrial Co., Ltd.
- Copper powder30 Jul 2026US 2026/0216786 A1JX Advanced Metals Corporation
Most cited
By later US patents
- Composite material containing tungsten and bronze226US 7,232,473 B2International Non-Toxic Composite · 2007
- Lead-free frangible bullets and process for making same77US 6,074,454 ADelta Frangible Ammunition, LLC · 2000
- Spherical copper based powder particles and process for producing same40US 4,711,661 AGTE Products Corporation · 1987
- Sintered friction material, composite copper alloy powder used therefor and manufacturing method thereof32US 5,824,923 ASumitomo Electric Industries, Ltd. · 1998
- Copper alloy compositions31US 5,242,511 AAsahi Kasei Kogyo Kabushiki Kaisha · 1993