C22C 9/00
Alloys based on copper
C22C9/00 (Alloys based on copper) appears on 2,169 US grants and 2,691 published applications in this corpus.
Search patents in C22C- Granted patents
- 2,169
- Published applications
- 2,691
- Assignees
- 1,063
- Inventors
- 4,919
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 13 | 0 |
| 1978 | 13 | 0 |
| 1979 | 13 | 0 |
| 1980 | 18 | 0 |
| 1981 | 15 | 0 |
| 1982 | 11 | 0 |
| 1983 | 14 | 0 |
| 1984 | 18 | 0 |
| 1985 | 13 | 0 |
| 1986 | 22 | 0 |
| 1987 | 21 | 0 |
| 1988 | 26 | 0 |
| 1989 | 24 | 0 |
| 1990 | 12 | 0 |
| 1991 | 33 | 0 |
| 1992 | 21 | 0 |
| 1993 | 23 | 0 |
| 1994 | 23 | 0 |
| 1995 | 17 | 0 |
| 1996 | 13 | 0 |
| 1997 | 15 | 0 |
| 1998 | 17 | 0 |
| 1999 | 27 | 0 |
| 2000 | 31 | 0 |
| 2001 | 21 | 16 |
| 2002 | 25 | 45 |
| 2003 | 25 | 53 |
| 2004 | 28 | 52 |
| 2005 | 22 | 39 |
| 2006 | 10 | 64 |
| 2007 | 22 | 51 |
| 2008 | 16 | 60 |
| 2009 | 22 | 92 |
| 2010 | 32 | 106 |
| 2011 | 35 | 114 |
| 2012 | 47 | 104 |
| 2013 | 60 | 143 |
| 2014 | 65 | 163 |
| 2015 | 89 | 171 |
| 2016 | 114 | 182 |
| 2017 | 101 | 160 |
| 2018 | 130 | 137 |
| 2019 | 162 | 166 |
| 2020 | 131 | 163 |
| 2021 | 122 | 144 |
| 2022 | 107 | 107 |
| 2023 | 94 | 103 |
| 2024 | 92 | 109 |
| 2025 | 72 | 89 |
| 2026 | 49 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C22C 9/06Alloys based on copper: with nickel or cobalt as the next major575
- C22C 9/04Alloys based on copper: with zinc as the next major constituent520
- C22C 9/02Alloys based on copper: with tin as the next major constituent422
- C22C 9/01Alloys based on copper: with aluminium as the next major constituent183
- C22C 9/05Alloys based on copper: with manganese as the next major constituent125
- C22C 9/10Alloys based on copper: with silicon as the next major constituent83
- C22C 9/08Alloys based on copper: with lead as the next major constituent43
Recent patents
- Copper particles and method for manufacturing same22 Sep 2026US 12,741,312 B2Mitsui Kinzoku Company, Limited
- Integrated recovery of metals from complex substrates22 Sep 2026US 12,742,224 B2Yava International Inc.
- Copper-tin-nickel brazing material prepared by alloys recycled from E-waste, preparation method therefor and system thereof15 Sep 2026US 12,735,765 B2Zhengzhou Research Institute of Mechanical Engineering Co., Ltd.
- High-performance copper alloy tube and preparation method thereof15 Sep 2026US 12,735,771 B2Zhejiang Hailiang Co., Ltd.
- Active metal brazing substrate and method for manufacturing the same1 Sep 2026US 12,722,359 B2Tong Hsing Electronic Industries, Ltd.
- Cu-ag alloy wire8 Oct 2026US 2026/0308721 A1Furukawa Electric Co., Ltd.
- Infiltrated components8 Oct 2026US 2026/0308731 A1Oerlikon Metco (US) Inc.
- Method of producing a brush1 Oct 2026US 2026/0302708 A1
- Copper alloy sheet material, method for producing same, and current-carrying component17 Sep 2026US 2026/0275456 A1Dowa Metaltech Co., Ltd.
- Sliding member17 Sep 2026US 2026/0276038 A1Daido Metal Company Ltd.
Most cited
By later US patents
- Metal-ceramic composites and method of making164US 4,770,701 AThe Standard Oil Company · 1988
- Plumbing fixtures and fittings employing copper-bismuth casting alloys94US 5,942,056 AFederalloy, Inc. · 1999
- Welding electrode73US 4,010,309 AThe International Nickel Company, Inc. · 1977
- Reinforced battery electrodes71US 9,362,551 B2GM Global Technology Operations LLC · 2016
- Golf clubs and method of making thereof69US 5,104,457 ACountry Club Golf Equipment (Proprietary) Limited · 1992