C22C
Alloys
Official title: ALLOYS (treatment of alloys C21D, C22F)
C22C (Alloys) appears on 31,971 US grants and 36,042 published applications in this corpus.
Search patents in C22C- Granted patents
- 31,971
- Published applications
- 36,042
- Assignees
- 8,187
- Inventors
- 57,763
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 332 | 0 |
| 1977 | 311 | 0 |
| 1978 | 315 | 0 |
| 1979 | 246 | 0 |
| 1980 | 251 | 0 |
| 1981 | 239 | 0 |
| 1982 | 197 | 0 |
| 1983 | 262 | 0 |
| 1984 | 254 | 0 |
| 1985 | 239 | 0 |
| 1986 | 313 | 0 |
| 1987 | 324 | 0 |
| 1988 | 359 | 0 |
| 1989 | 504 | 0 |
| 1990 | 432 | 0 |
| 1991 | 465 | 0 |
| 1992 | 441 | 0 |
| 1993 | 393 | 0 |
| 1994 | 453 | 0 |
| 1995 | 398 | 0 |
| 1996 | 447 | 0 |
| 1997 | 361 | 0 |
| 1998 | 447 | 0 |
| 1999 | 504 | 0 |
| 2000 | 461 | 0 |
| 2001 | 544 | 165 |
| 2002 | 535 | 613 |
| 2003 | 564 | 734 |
| 2004 | 486 | 800 |
| 2005 | 350 | 727 |
| 2006 | 297 | 785 |
| 2007 | 313 | 799 |
| 2008 | 287 | 916 |
| 2009 | 388 | 1128 |
| 2010 | 579 | 1297 |
| 2011 | 578 | 1261 |
| 2012 | 702 | 1339 |
| 2013 | 727 | 1500 |
| 2014 | 866 | 1574 |
| 2015 | 971 | 1979 |
| 2016 | 1101 | 2008 |
| 2017 | 1272 | 1948 |
| 2018 | 1377 | 1925 |
| 2019 | 1605 | 2039 |
| 2020 | 1507 | 1999 |
| 2021 | 1412 | 1868 |
| 2022 | 1447 | 1940 |
| 2023 | 1389 | 1929 |
| 2024 | 1414 | 1880 |
| 2025 | 1366 | 1578 |
| 2026 | 946 | 1311 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- C22C 38/00Ferrous alloys10,643
- C22C 1/00Making non-ferrous alloys4,911
- C22C 21/00Alloys based on aluminium3,479
- C22C 19/00Alloys based on nickel or cobalt3,326
- C22C 33/00Making ferrous alloys2,767
- C22C 9/00Alloys based on copper2,169
- C22C 29/00Alloys based on carbides, oxides, nitrides, borides, or silicides2,063
- C22C 30/00Alloys containing less than 50% by weight of each constituent1,412
All 35 main groupsShow fewer
- C22C 5/00Alloys based on noble metals1,406
- C22C 14/00Alloys based on titanium1,346
- C22C 45/00Amorphous alloys1,277
- C22C 2202/00Physical propertiesIndexing code1,179
- C22C 32/00Non-ferrous alloys containing at least 5% by weight but less than 50%1,107
- C22C 26/00Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon1,090
- C22C 27/00Alloys based on rhenium or a refractory metal not mentioned in groups1,023
- C22C 47/00Making alloys containing metallic or non-metallic fibres or filaments801
- C22C 13/00Alloys based on tin793
- C22C 18/00Alloys based on zinc650
- C22C 49/00Alloys containing metallic or non-metallic fibres or filaments646
- C22C 23/00Alloys based on magnesium607
- C22C 28/00Alloys based on a metal not provided for in groups c22c5/00 -487
- C22C 37/00Cast-iron alloys391
- C22C 16/00Alloys based on zirconium305
- C22C 2200/00Crystalline structureIndexing code303
- C22C 12/00Alloys based on antimony or bismuth283
- C22C 2204/00End product comprising different layers, coatings or parts of cermetIndexing code272
- C22C 11/00Alloys based on lead204
- C22C 35/00Master alloys for iron or steel108
- C22C 22/00Alloys based on manganese106
- C22C 24/00Alloys based on an alkali or an alkaline earth metal97
- C22C 43/00Alloys containing radioactive materials44
- C22C 3/00Removing material from alloys to produce alloys of different constitution separation of36
- C22C 7/00Alloys based on mercury34
- C22C 25/00Alloys based on beryllium22
- C22C 20/00Alloys based on cadmium20
Recent patents
- Forged steel roll for cold rolling6 Oct 2026US 12,752,325 B2Nippon Steel Corporation
- Thin-walled composite pipe with high thermal conductivity, and preparation method and application thereof6 Oct 2026US 12,752,327 B2Shaanxi Zinc Industry Co., Ltd.
- TIG welded joint6 Oct 2026US 12,752,379 B2Jfe Steel Corporation
- High strength steel sheet and method of producing same6 Oct 2026US 12,753,454 B2Jfe Steel Corporation
- Ultra-high strength cold rolled steel sheet having excellent bendability, and method of manufacturing same6 Oct 2026US 12,753,455 B2Posco
- Heater assembly for an aerosol-geenrating system8 Oct 2026US 2026/0305699 A1Philip Morris Products S. A.
- Durable metal-mxene composites and methods of making the same8 Oct 2026US 2026/0307145 A1The University of Chicago
- Powder metallurgy hot isostatic pressing cost-effective components using metal hydride feedstock8 Oct 2026US 2026/0307147 A1The Boeing Company
- Method for producing insulation coating treatment liquid for grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet8 Oct 2026US 2026/0308387 A1Nippon Steel Corporation
- A cold rolled martensitic steel and a method of martensitic steel thereof8 Oct 2026US 2026/0308706 A1
Most cited
By later US patents
- Multiple electrode ablation apparatus1,035US 5,536,267 AZoMed International · 1996
- Composite polycrystalline diamond compact502US 4,604,106 ASmith International, Inc. · 1986
- Method and a device for thermal analysis of cast iron475US 7,168,852 B2SinterCast AB · 2007
- Guidewire with superelastic distal portion468US 5,341,818 AAdvanced Cardiovascular Systems, Inc. · 1994
- Temperature resistant abrasive compact and method for making same436US 4,224,380 AGeneral Electric Company · 1980