C22C 33/0228
Comprising other non-metallic compounds or more than 5% of graphite
Official title: {comprising other non-metallic compounds or more than 5% of graphite}
C22C33/0228 (Comprising other non-metallic compounds or more than 5% of graphite) appears on 186 US grants and 165 published applications in this corpus.
Search patents in C22C- Granted patents
- 186
- Published applications
- 165
- Assignees
- 155
- Inventors
- 504
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 8 |
| 2003 | 5 | 6 |
| 2004 | 8 | 5 |
| 2005 | 2 | 7 |
| 2006 | 2 | 6 |
| 2007 | 7 | 8 |
| 2008 | 2 | 4 |
| 2009 | 3 | 4 |
| 2010 | 3 | 8 |
| 2011 | 1 | 8 |
| 2012 | 3 | 6 |
| 2013 | 4 | 8 |
| 2014 | 5 | 9 |
| 2015 | 9 | 6 |
| 2016 | 9 | 10 |
| 2017 | 10 | 6 |
| 2018 | 1 | 8 |
| 2019 | 6 | 5 |
| 2020 | 2 | 11 |
| 2021 | 5 | 9 |
| 2022 | 4 | 5 |
| 2023 | 9 | 10 |
| 2024 | 11 | 4 |
| 2025 | 5 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a friction brake body2 Dec 2025US 12,485,504 B2Breyden GmbH
- Electronic device, rotating shaft, laminated composite material, and method for manufacturing laminated composite material19 Aug 2025US 12,391,023 B2Huawei Technologies Co., Ltd.
- Interconnects for solid oxide fuel cell comprising nano-sized oxide dispersion in ferritic stainless steel and manufacturing method thereof13 May 2025US 12,300,866 B2Korea Institute of Energy Research
- Corrosion-resistant oxide dispersion strengthened steel15 Apr 2025US 12,276,013 B1Shanghai Jiaotong University
- Powder metal parts with improved machinability18 Mar 2025US 12,251,759 B2Keystone Powdered Metal Company
- Tool steel materials for additive manufacturing4 Jun 2026US 2026/0152832 A1Massachusetts Institute of Technology
- Corrosion-resistant oxide dispersion strengthened steel24 Apr 2025US 2025/0129457 A1Shanghai Jiaotong University
- Sintered metal friction material and production method for same13 Mar 2025US 2025/0084292 A1Tokai Carbon Co., Ltd.
- Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine26 Dec 2024US 2024/0425955 A1Kabushiki Kaisha Toshiba
- Lightweight corrosion-resistant wear-resistant brake disc, and method of manufacturing19 Sep 2024US 2024/0307961 A1Oerlikon Metco (US) Inc.
Most cited
By later US patents
- Doubly-coated iron particles84US 5,063,011 AHoeganaes Corporation · 1991
- Thermoplastic coated magnetic powder compositions and methods of making same49US 5,198,137 AHoeganaes Corporation · 1993
- Secondary hardening type high temperature wear-resistant sintered alloy45US 5,273,570 AHonda Giken Kogyo Kabushiki Kaisha · 1993
- Sintered alloy for valve seats, valve seat and manufacturing method thereof45US 6,951,579 B2Teikoku Piston Ring Co., Ltd. · 2005
- Iron-based metallurgical compositions containing flow agents and methods for using same43US 5,782,954 AHoeganaes Corporation · 1998