C22C 32/00
Non-ferrous alloys containing at least 5% by weight but less than 50%
Official title: Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
C22C32/00 (Non-ferrous alloys containing at least 5% by weight but less than 50%) appears on 1,107 US grants and 885 published applications in this corpus.
Search patents in C22C- Granted patents
- 1,107
- Published applications
- 885
- Assignees
- 734
- Inventors
- 3,067
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 9 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 13 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 13 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 18 | 0 |
| 1987 | 16 | 0 |
| 1988 | 17 | 0 |
| 1989 | 23 | 0 |
| 1990 | 34 | 0 |
| 1991 | 30 | 0 |
| 1992 | 22 | 0 |
| 1993 | 18 | 0 |
| 1994 | 19 | 0 |
| 1995 | 32 | 0 |
| 1996 | 35 | 0 |
| 1997 | 23 | 0 |
| 1998 | 35 | 0 |
| 1999 | 39 | 0 |
| 2000 | 32 | 0 |
| 2001 | 23 | 9 |
| 2002 | 22 | 27 |
| 2003 | 31 | 20 |
| 2004 | 17 | 17 |
| 2005 | 18 | 21 |
| 2006 | 14 | 24 |
| 2007 | 12 | 21 |
| 2008 | 8 | 35 |
| 2009 | 13 | 38 |
| 2010 | 26 | 48 |
| 2011 | 15 | 23 |
| 2012 | 18 | 29 |
| 2013 | 15 | 30 |
| 2014 | 28 | 30 |
| 2015 | 21 | 33 |
| 2016 | 22 | 43 |
| 2017 | 22 | 40 |
| 2018 | 34 | 42 |
| 2019 | 29 | 42 |
| 2020 | 32 | 37 |
| 2021 | 29 | 42 |
| 2022 | 24 | 42 |
| 2023 | 35 | 52 |
| 2024 | 30 | 52 |
| 2025 | 36 | 56 |
| 2026 | 28 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C22C 32/0047Non-ferrous alloys containing at least 5% by weight but less than 50%461
- C22C 32/001Non-ferrous alloys containing at least 5% by weight but less than 50%331
- C22C 32/0089Non-ferrous alloys containing at least 5% by weight but less than 50%105
- C22C 32/0084Carbon or graphite as the main non-metallic constituent87
- C22C 32/0094Non-ferrous alloys containing at least 5% by weight but less than 50%44
- C22C 32/0005Non-ferrous alloys containing at least 5% by weight but less than 50%29
Recent patents
- Metal matrix composites for drill bits6 Oct 2026US 12,753,469 B2Kennametal Inc.
- Thixotropic molding material, method of producing thixotropic molding material, and thixotropically molded product15 Sep 2026US 12,735,770 B2Seiko Epson Corporation
- Composite brake disc, preparation method thereof and friction stir tool15 Sep 2026US 12,736,098 B2Crrc Qishuyan Institute Co., Ltd.
- Al—Ce alloy based composites21 Jul 2026US 12,686,904 B2Eck Industries, Inc.
- Atomized powder, thermal spray coating, hearth roll, and method for producing hearth roll23 Jun 2026US 12,661,709 B2Sanyo Special Steel Co., Ltd.
- Durable metal-mxene composites and methods of making the same8 Oct 2026US 2026/0307145 A1The University of Chicago
- High-strength metal-matrix composite and method for producing high-strength metal-matrix composite24 Sep 2026US 2026/0286474 A1Advanced Composite Corporation
- Insulator having a sintered platinum-alumina conductive pathway for a feedthrough for an implantable device27 Aug 2026US 2026/0250211 A1Greatbatch Ltd.
- Metal alloy and compositions and uses thereof27 Aug 2026US 2026/0250807 A1Phaseshift Technologies Inc.
- Chromium-molybdenum-aluminum alloys with oxidation-resistance imparted by thermal pre-treatment20 Aug 2026US 2026/0242902 A1Wisconsin Alumni Research Foundation
Most cited
By later US patents
- Carbon fibrils, method for producing same and compositions containing same361US 4,663,230 AHyperion Catalysis International, Inc. · 1987
- High density composite material358US 6,048,379 AIdeas to Market, L.P. · 2000
- Frangible practice ammunition306US 5,237,930 ASNC Industrial Technologies Inc. · 1993
- Heterogeneous composite bodies with isolated cermet regions formed by high temperature, rapid consolidation253US 9,943,918 B2Powdermet, Inc. · 2018
- P/M titanium composite casting123US 5,897,830 ADynamet Technology, Inc. · 1999