C21D 6/007
Containing co
Official title: {containing Co}
C21D6/007 (Containing co) appears on 320 US grants and 528 published applications in this corpus.
Search patents in C21D- Granted patents
- 320
- Published applications
- 528
- Assignees
- 186
- Inventors
- 998
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 5 |
| 2003 | 3 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 5 |
| 2007 | 0 | 2 |
| 2008 | 2 | 16 |
| 2009 | 7 | 4 |
| 2010 | 7 | 9 |
| 2011 | 5 | 6 |
| 2012 | 5 | 5 |
| 2013 | 2 | 5 |
| 2014 | 6 | 5 |
| 2015 | 6 | 18 |
| 2016 | 5 | 26 |
| 2017 | 8 | 26 |
| 2018 | 21 | 32 |
| 2019 | 22 | 47 |
| 2020 | 26 | 36 |
| 2021 | 34 | 39 |
| 2022 | 33 | 41 |
| 2023 | 22 | 48 |
| 2024 | 28 | 50 |
| 2025 | 39 | 38 |
| 2026 | 21 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hot-rolled steel sheet15 Sep 2026US 12,735,778 B2Nippon Steel Corporation
- Soft magnetic material, method for producing soft magnetic material, and electric motor1 Sep 2026US 12,723,294 B2Hitachi, Ltd.
- 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
- Hot-stamp formed body28 Jul 2026US 12,692,585 B2Nippon Steel Corporation
- Austenitic stainless steel and tube30 Jun 2026US 12,668,862 B2Nippon Steel Corporation
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
- Steel sheet, member, and methods for producing the same24 Sep 2026US 2026/0286459 A1Jfe Steel Corporation
- High-strength stainless steel seamless pipe for oil wells24 Sep 2026US 2026/0286485 A1Jef Steel Corporation
- Low-alloy steel24 Sep 2026US 2026/0286488 A1ELSmidth A/S
- Steel sheet and method of production of same17 Sep 2026US 2026/0275470 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