C22C 33/0207
Using a mixture of pre-alloyed powders or a master alloy
Official title: {Using a mixture of pre-alloyed powders or a master alloy}
C22C33/0207 (Using a mixture of pre-alloyed powders or a master alloy) appears on 565 US grants and 474 published applications in this corpus.
Search patents in C22C- Granted patents
- 565
- Published applications
- 474
- Assignees
- 339
- Inventors
- 1,335
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 19 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 5 |
| 2002 | 16 | 14 |
| 2003 | 16 | 19 |
| 2004 | 17 | 17 |
| 2005 | 4 | 18 |
| 2006 | 8 | 16 |
| 2007 | 12 | 18 |
| 2008 | 12 | 13 |
| 2009 | 7 | 12 |
| 2010 | 5 | 17 |
| 2011 | 5 | 19 |
| 2012 | 7 | 15 |
| 2013 | 8 | 22 |
| 2014 | 14 | 23 |
| 2015 | 14 | 14 |
| 2016 | 17 | 25 |
| 2017 | 15 | 15 |
| 2018 | 16 | 23 |
| 2019 | 15 | 21 |
| 2020 | 15 | 35 |
| 2021 | 18 | 29 |
| 2022 | 16 | 25 |
| 2023 | 28 | 27 |
| 2024 | 24 | 16 |
| 2025 | 13 | 9 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing composite magnetic body, magnetic powder, composite magnetic body and coil component12 May 2026US 12,623,282 B2Panasonic Intellectual Property Management Co., Ltd.
- Coil component and method for manufacturing same12 May 2026US 12,624,431 B2Taiyo Yuden Co., Ltd.
- Fe—Mn—Al—C lightweight steel, production method thereof, terminal, steel mechanical part, and electronic device5 May 2026US 12,618,127 B2Huawei Technologies Co., Ltd.
- Neodymium-iron-boron magnetic material, preparation method therefor and application thereof28 Apr 2026US 12,614,652 B2FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
- Oxide dispersion-strengthened iron-based alloy powder and characterization method thereof21 Apr 2026US 12,606,891 B2Central South University
- Method for manufacturing medium- entropy alloys using additive manufacturing18 Jun 2026US 2026/0168052 A1Postech Research and Business Development Foundation
- Tool steel materials for additive manufacturing4 Jun 2026US 2026/0152832 A1Massachusetts Institute of Technology
- R-t-b based permanent magnet and method of manufacturing the same30 Apr 2026US 2026/0120925 A1TDK Corporation
- R-t-b based permanent magnet30 Apr 2026US 2026/0120926 A1TDK Corporation
- Printable Die Steels for Additive Manufacturing5 Mar 2026US 2026/0062776 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Doubly-coated iron particles84US 5,063,011 AHoeganaes Corporation · 1991
- High machinability iron base sintered alloy for valve seat inserts64US 6,679,932 B2Federal-Mogul World Wide, Inc. · 2004
- Steel powder admixture having distinct prealloyed powder of iron alloys63US 5,108,493 AHoeganaes Corporation · 1992
- Iron-based powder mixtures56US 4,834,800 AHoeganaes Corporation · 1989
- Abrasion resistant iron base sintered alloy material for valve seat and valve seat made of iron base sintered alloy52US 6,139,599 ANippon Piston Ring Co., Ltd. · 2000