C22C 9/04
Alloys based on copper: with zinc as the next major constituent
Official title: with zinc as the next major constituent
C22C9/04 (Alloys based on copper: with zinc as the next major constituent) appears on 520 US grants and 667 published applications in this corpus.
Search patents in C22C- Granted patents
- 520
- Published applications
- 667
- Assignees
- 314
- Inventors
- 1,212
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 4 |
| 2002 | 12 | 15 |
| 2003 | 6 | 17 |
| 2004 | 7 | 11 |
| 2005 | 10 | 6 |
| 2006 | 1 | 16 |
| 2007 | 5 | 16 |
| 2008 | 4 | 16 |
| 2009 | 5 | 30 |
| 2010 | 6 | 24 |
| 2011 | 13 | 32 |
| 2012 | 15 | 30 |
| 2013 | 18 | 39 |
| 2014 | 10 | 55 |
| 2015 | 27 | 46 |
| 2016 | 25 | 44 |
| 2017 | 21 | 42 |
| 2018 | 34 | 27 |
| 2019 | 41 | 38 |
| 2020 | 32 | 35 |
| 2021 | 20 | 30 |
| 2022 | 32 | 24 |
| 2023 | 16 | 22 |
| 2024 | 11 | 19 |
| 2025 | 19 | 17 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sliding material14 Jul 2026US 12,680,575 B2Sankyo Oilless Industry, Inc.
- Copper-diamond composite, heat dissipation member, and electronic device28 Apr 2026US 12,612,682 B2Denka Company Limited
- Contact element which can be produced without burrs24 Mar 2026US 12,586,943 B2HARTING Electric Stiftung & Co. KG
- Piping articles incorporating an alloy of copper, zinc, and silicon17 Mar 2026US 12,578,038 B2NIBCO Inc.
- Bonding wire for semiconductor devices17 Mar 2026US 12,581,982 B2Nippon Micrometal Corporation
- Methods for manufacturing additive manufacturing components27 Aug 2026US 2026/0249350 A1Valls Besitz GmbH
- Copper alloy sheet27 Aug 2026US 2026/0250802 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Low-lead alloy6 Aug 2026US 2026/0226588 A1AS America, Inc.
- Brass-aluminum-manganese-iron alloy23 Jul 2026US 2026/0209894 A1TermomecâNica SãO Paulo S/A
- Chemical conversion coating solution, method for coloring metal element, metal element, and slide fastener23 Jul 2026US 2026/0209947 A1YKK Corporation
Most cited
By later US patents
- Plumbing fixtures and fittings employing copper-bismuth casting alloys94US 5,942,056 AFederalloy, Inc. · 1999
- Low thermal expansion composite comprising bodies of negative CTE material disposed within a positive CTE matrix35US 6,326,685 B1Agere Systems Guardian Corp. · 2001
- Method of brazing carbide using copper-zinc-manganese-nickel alloys29US 4,684,052 AHandy & Harman · 1987
- Machinable copper alloys having reduced lead content28US 5,137,685 AOlin Corporation · 1992
- Cu--Sn--Zn--Bi alloys26US 4,879,094 AIMI Yorkshire Fittings Limited · 1989