C22F 1/08
Changing the physical structure of non-ferrous metals or alloys by heat treatment
Official title: of copper or alloys based thereon
C22F1/08 (Changing the physical structure of non-ferrous metals or alloys by heat treatment) appears on 875 US grants and 1,101 published applications in this corpus.
Search patents in C22F- Granted patents
- 875
- Published applications
- 1,101
- Assignees
- 497
- Inventors
- 2,024
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 1 | 0 |
| 1983 | 10 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 11 |
| 2002 | 21 | 24 |
| 2003 | 9 | 18 |
| 2004 | 18 | 28 |
| 2005 | 7 | 16 |
| 2006 | 4 | 14 |
| 2007 | 8 | 19 |
| 2008 | 5 | 23 |
| 2009 | 11 | 35 |
| 2010 | 4 | 45 |
| 2011 | 15 | 41 |
| 2012 | 16 | 50 |
| 2013 | 21 | 61 |
| 2014 | 26 | 90 |
| 2015 | 35 | 67 |
| 2016 | 55 | 83 |
| 2017 | 41 | 65 |
| 2018 | 54 | 44 |
| 2019 | 72 | 75 |
| 2020 | 50 | 56 |
| 2021 | 59 | 58 |
| 2022 | 41 | 48 |
| 2023 | 35 | 43 |
| 2024 | 36 | 31 |
| 2025 | 32 | 31 |
| 2026 | 10 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cu—Ag alloy wire and method for producing the same6 Oct 2026US 12,755,860 B2SWCC Corporation
- High-performance copper alloy tube and preparation method thereof15 Sep 2026US 12,735,771 B2Zhejiang Hailiang Co., Ltd.
- Corrosion-resistant antibacterial copper alloy, and preparation process and application for the same14 Jul 2026US 12,680,146 B1Zhejiang Copper Processing Research Institute Co., Ltd.
- Pure copper plate19 May 2026US 12,630,904 B2Mitsubishi Materials Corporation
- Copper alloy, copper alloy plastic working material, component for electronic/electrical devices, terminal, bus bar, lead frame and heat dissipation substrate19 May 2026US 12,630,905 B2Mitsubishi Materials Corporation
- Cu-ag alloy wire8 Oct 2026US 2026/0308721 A1Furukawa Electric Co., Ltd.
- Surface Alloying and Surface Compositing of Copper Alloys During Casting to Improve Corrosion Resistance, Wear Resistance, and Machinability1 Oct 2026US 2026/0297718 A1UWM Research Foundation, Inc.
- Copper alloy sheet material, method for producing same, and current-carrying component17 Sep 2026US 2026/0275456 A1Dowa Metaltech Co., Ltd.
- Copper alloy sheet27 Aug 2026US 2026/0250802 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Pulse magnetic field treatment method for eliminating residual stress in copper alloy foils20 Aug 2026US 2026/0242917 A1Taiyuan University of Technology
Most cited
By later US patents
- Process for engineering coherent twin and coincident site lattice grain boundaries in polycrystalline materials129US 5,651,839 AQueen's University at Kingston · 1997
- Low vibration cryocooled system for low temperature microscopy and spectroscopy applications108US 8,746,008 B1Montana Instruments Corporation · 2014
- Method for producing ultrafine-grained materials using repetitive corrugation and straightening77US 6,197,129 B1The United States of America as represented by the United States Department of Energy · 2001
- Golf clubs and method of making thereof69US 5,104,457 ACountry Club Golf Equipment (Proprietary) Limited · 1992
- Process for producing a metal article52US 6,569,270 B2Honeywell International Inc. · 2003