C22C 38/30
With cobalt
Official title: with cobalt
C22C38/30 (With cobalt) appears on 329 US grants and 478 published applications in this corpus.
Search patents in C22C- Granted patents
- 329
- Published applications
- 478
- Assignees
- 201
- Inventors
- 963
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 4 |
| 2003 | 3 | 7 |
| 2004 | 2 | 6 |
| 2005 | 6 | 6 |
| 2006 | 1 | 4 |
| 2007 | 5 | 6 |
| 2008 | 0 | 20 |
| 2009 | 8 | 9 |
| 2010 | 11 | 8 |
| 2011 | 8 | 9 |
| 2012 | 4 | 3 |
| 2013 | 4 | 13 |
| 2014 | 7 | 14 |
| 2015 | 5 | 27 |
| 2016 | 8 | 33 |
| 2017 | 18 | 24 |
| 2018 | 23 | 25 |
| 2019 | 30 | 26 |
| 2020 | 17 | 28 |
| 2021 | 12 | 29 |
| 2022 | 27 | 41 |
| 2023 | 13 | 31 |
| 2024 | 21 | 37 |
| 2025 | 22 | 34 |
| 2026 | 15 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Welded rail29 Sep 2026US 12,747,483 B2Nippon Steel Corporation
- Iron-chromium-cobalt alloy magnet and method for producing same29 Sep 2026US 12,749,602 B2Proterial, Ltd.
- Steel sheet1 Sep 2026US 12,723,295 B2Nippon Steel Corporation
- Galvanized steel sheet and member, and method of producing same18 Aug 2026US 12,709,783 B2Jfe Steel Corporation
- Method for fabricating a substantially equiatomic FeCo-alloy cold-rolled strip or sheet, and magnetic part cut from same18 Aug 2026US 12,709,790 B2Aperam
- Manufacturing method of flash butt welded rail1 Oct 2026US 2026/0295710 A1Nippon Steel Corporation
- 3d printed high carbon content steel and method of preparing the same24 Sep 2026US 2026/0286475 A1VBN Components AB
- Steel material17 Sep 2026US 2026/0275472 A1Nippon Steel Corporation
- Steel sheet10 Sep 2026US 2026/0265883 A1Nippon Steel Corporation
- Steel material10 Sep 2026US 2026/0265888 A1Nippon Steel Corporation
Most cited
By later US patents
- Time sequenced heating of multiple layers in a hydrocarbon containing formation225US 7,635,023 B2Shell Oil Company · 2009
- Temperature limited heaters using phase transformation of ferromagnetic material186US 7,597,147 B2Shell Oil Company · 2009
- Wellhead with non-ferromagnetic materials184US 7,533,719 B2Shell Oil Company · 2009
- Compositions produced using an in situ heat treatment process172US 7,604,052 B2Shell Oil Company · 2009
- Sour gas injection for use with in situ heat treatment163US 7,610,962 B2Shell Oil Company · 2009