C22F 1/00
Changing the physical structure of non-ferrous metals or alloys by heat treatment
Official title: Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working (apparatus for mechanical working of metal B21, B23, B24)
C22F1/00 (Changing the physical structure of non-ferrous metals or alloys by heat treatment) appears on 6,184 US grants and 7,273 published applications in this corpus.
Search patents in C22F- Granted patents
- 6,184
- Published applications
- 7,273
- Assignees
- 2,469
- Inventors
- 13,995
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 63 | 0 |
| 1977 | 37 | 0 |
| 1978 | 50 | 0 |
| 1979 | 36 | 0 |
| 1980 | 31 | 0 |
| 1981 | 31 | 0 |
| 1982 | 21 | 0 |
| 1983 | 42 | 0 |
| 1984 | 40 | 0 |
| 1985 | 39 | 0 |
| 1986 | 51 | 0 |
| 1987 | 60 | 0 |
| 1988 | 55 | 0 |
| 1989 | 113 | 0 |
| 1990 | 74 | 0 |
| 1991 | 69 | 0 |
| 1992 | 85 | 0 |
| 1993 | 77 | 0 |
| 1994 | 78 | 0 |
| 1995 | 70 | 0 |
| 1996 | 91 | 0 |
| 1997 | 77 | 0 |
| 1998 | 83 | 0 |
| 1999 | 88 | 0 |
| 2000 | 93 | 0 |
| 2001 | 95 | 46 |
| 2002 | 127 | 156 |
| 2003 | 129 | 153 |
| 2004 | 91 | 180 |
| 2005 | 68 | 169 |
| 2006 | 59 | 143 |
| 2007 | 59 | 175 |
| 2008 | 46 | 168 |
| 2009 | 87 | 217 |
| 2010 | 100 | 244 |
| 2011 | 114 | 251 |
| 2012 | 124 | 289 |
| 2013 | 155 | 328 |
| 2014 | 153 | 349 |
| 2015 | 187 | 387 |
| 2016 | 257 | 453 |
| 2017 | 272 | 444 |
| 2018 | 312 | 408 |
| 2019 | 388 | 435 |
| 2020 | 331 | 441 |
| 2021 | 301 | 369 |
| 2022 | 277 | 355 |
| 2023 | 290 | 361 |
| 2024 | 270 | 286 |
| 2025 | 218 | 272 |
| 2026 | 120 | 194 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C22F 1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment2,197
- C22F 1/16Changing the physical structure of non-ferrous metals or alloys by heat treatment1,352
- C22F 1/10Changing the physical structure of non-ferrous metals or alloys by heat treatment1,201
- C22F 1/08Changing the physical structure of non-ferrous metals or alloys by heat treatment875
- C22F 1/006Resulting in heat recoverable alloys with a memory effect364
- C22F 1/002Changing the physical structure of non-ferrous metals or alloys by heat treatment281
- C22F 1/06Changing the physical structure of non-ferrous metals or alloys by heat treatment275
- C22F 1/14Changing the physical structure of non-ferrous metals or alloys by heat treatment227
All 13 subgroupsShow fewer
- C22F 1/02In inert or controlled atmosphere or vacuum197
- C22F 1/11Changing the physical structure of non-ferrous metals or alloys by heat treatment25
- C22F 1/008Changing the physical structure of non-ferrous metals or alloys by heat treatment21
- C22F 1/004Heat treatment in fluid bed17
- C22F 1/12Changing the physical structure of non-ferrous metals or alloys by heat treatment16
Recent patents
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- Cu-ag alloy wire8 Oct 2026US 2026/0308721 A1Furukawa Electric Co., Ltd.
- High-strength and high-impact toughness near-beta titanium alloy, and preparation method and use thereof8 Oct 2026US 2026/0308722 A1Central South University
- Nickel-based alloy8 Oct 2026US 2026/0308725 A1Alleima Tube AB
- Rapidly solidified aluminum-rare earth element alloy and method of making the same8 Oct 2026US 2026/0308738 A1Eck Industries, Inc.
Most cited
By later US patents
- Multiple electrode ablation apparatus1,035US 5,536,267 AZoMed International · 1996
- Guidewire with superelastic distal portion468US 5,341,818 AAdvanced Cardiovascular Systems, Inc. · 1994
- Radially expandable non-axially contracting surgical stent438US 6,042,606 ACook Incorporated · 2000
- Golf club head with a face composed of a forged material388US 6,354,962 B1Callaway Golf Company · 2002
- Niti-type medical guide wire and method of producing the same380US 6,508,803 B1Furukawa Electric Co., Ltd. · 2003