C22C 33/00
Making ferrous alloys
C22C33/00 (Making ferrous alloys) appears on 2,767 US grants and 3,268 published applications in this corpus.
Search patents in C22C- Granted patents
- 2,767
- Published applications
- 3,268
- Assignees
- 1,313
- Inventors
- 6,960
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 31 | 0 |
| 1978 | 28 | 0 |
| 1979 | 21 | 0 |
| 1980 | 28 | 0 |
| 1981 | 25 | 0 |
| 1982 | 22 | 0 |
| 1983 | 26 | 0 |
| 1984 | 24 | 0 |
| 1985 | 39 | 0 |
| 1986 | 35 | 0 |
| 1987 | 31 | 0 |
| 1988 | 35 | 0 |
| 1989 | 39 | 0 |
| 1990 | 44 | 0 |
| 1991 | 38 | 0 |
| 1992 | 27 | 0 |
| 1993 | 21 | 0 |
| 1994 | 35 | 0 |
| 1995 | 26 | 0 |
| 1996 | 46 | 0 |
| 1997 | 28 | 0 |
| 1998 | 32 | 0 |
| 1999 | 42 | 0 |
| 2000 | 47 | 0 |
| 2001 | 40 | 10 |
| 2002 | 44 | 40 |
| 2003 | 50 | 59 |
| 2004 | 41 | 52 |
| 2005 | 20 | 51 |
| 2006 | 25 | 62 |
| 2007 | 34 | 50 |
| 2008 | 26 | 56 |
| 2009 | 30 | 69 |
| 2010 | 31 | 79 |
| 2011 | 30 | 97 |
| 2012 | 55 | 102 |
| 2013 | 48 | 129 |
| 2014 | 56 | 147 |
| 2015 | 79 | 172 |
| 2016 | 84 | 207 |
| 2017 | 113 | 157 |
| 2018 | 122 | 185 |
| 2019 | 147 | 184 |
| 2020 | 135 | 217 |
| 2021 | 121 | 223 |
| 2022 | 142 | 189 |
| 2023 | 142 | 234 |
| 2024 | 156 | 215 |
| 2025 | 117 | 157 |
| 2026 | 81 | 125 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ferrosilicon vanadium and/or niobium alloy, production of a ferrosilicon vanadium and/or niobium alloy, and the use thereof6 Oct 2026US 12,753,470 B2Elkem ASA
- Soft magnetic alloy powder and production method therefor6 Oct 2026US 12,753,473 B2Mitsubishi Steel Mfg. Co., Ltd.
- Wire rod for 5000 MPa-grade diamond wire and production method therefor15 Sep 2026US 12,735,763 B2Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co. Ltd (Cn)
- Bulk metallic glass-based alloys for additive manufacturing18 Aug 2026US 12,709,789 B2Questek Europe AB
- Alloy for high-stress gouging abrasion11 Aug 2026US 12,703,903 B2Weir Minerals Australia Ltd.
- Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine8 Oct 2026US 2026/0311916 A1Mitsubishi Electric Corporation
- Medium manganese powder for additive manufacturing, printed part and method of manufacturing the same1 Oct 2026US 2026/0295677 A1
- Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine1 Oct 2026US 2026/0302010 A1Mitsubishi Electric Corporation
- Production and preparation method of carburized gear shaft bars by means of converter process24 Sep 2026US 2026/0286458 A1Bengang Steel Plates Co., Ltd.
- 3d printed high carbon content steel and method of preparing the same24 Sep 2026US 2026/0286475 A1VBN Components AB
Most cited
By later US patents
- Method and a device for thermal analysis of cast iron475US 7,168,852 B2SinterCast AB · 2007
- Lightweight polymer ammunition cartridge casings245US 8,561,543 B2True Velocity, Inc. · 2013
- Method of making lightweight polymer ammunition208US 9,441,930 B2True Velocity, Inc. · 2016
- Lightweight polymer ammunition203US 9,429,407 B2True Velocity, Inc. · 2016
- Adept three-dimensional printing179US 9,662,840 B1Velo3D, Inc. · 2017