C21D 6/001
Containing ni
Official title: {containing Ni (C21D6/004 takes precedence)}
C21D6/001 (Containing ni) appears on 377 US grants and 555 published applications in this corpus.
Search patents in C21D- Granted patents
- 377
- Published applications
- 555
- Assignees
- 153
- Inventors
- 1,053
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 2 |
| 2003 | 4 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 3 |
| 2008 | 2 | 5 |
| 2009 | 1 | 4 |
| 2010 | 2 | 10 |
| 2011 | 2 | 9 |
| 2012 | 8 | 7 |
| 2013 | 4 | 14 |
| 2014 | 7 | 6 |
| 2015 | 4 | 47 |
| 2016 | 11 | 24 |
| 2017 | 20 | 26 |
| 2018 | 21 | 36 |
| 2019 | 23 | 32 |
| 2020 | 28 | 40 |
| 2021 | 30 | 26 |
| 2022 | 32 | 49 |
| 2023 | 16 | 47 |
| 2024 | 30 | 60 |
| 2025 | 60 | 38 |
| 2026 | 28 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-strength electrogalvannealed steel sheet and method for manufacturing the same6 Oct 2026US 12,753,456 B2Jfe Steel Corporation
- Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet6 Oct 2026US 12,753,457 B2Posco
- Steel sheet, member, and method for producing steel sheet, and method for producing member15 Sep 2026US 12,735,762 B2Jfe Steel Corporation
- Hot-rolled steel sheet15 Sep 2026US 12,735,778 B2Nippon Steel Corporation
- Steel sheet and plated steel sheet8 Sep 2026US 12,729,420 B2Nippon Steel Corporation
- Steel plate and method for manufacturing same8 Oct 2026US 2026/0308708 A1Posco
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
- Steel sheet and plated steel sheet1 Oct 2026US 2026/0297714 A1Nippon Steel Corporation
- Steel sheet, member, and methods for producing the same24 Sep 2026US 2026/0286459 A1Jfe Steel Corporation
- Low thermal expansion cast steel product and method for manufacturing same24 Sep 2026US 2026/0286483 A1Shinhokoku Material Corp.
Most cited
By later US patents
- Screwdriver, screwdriver bit or the like50US 5,953,969 AWera Werk Hermann Werner GmbH & Co. · 1999
- Fe-ni alloy having high strength and low thermal expansion, a shadow mask made of the alloy, a braun tube with the shadow mask, a lead frame made of the alloy and a semiconductor element with lead frame46US 6,592,810 B2Hitachi Metals, Ltd. · 2003
- Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids27US 6,212,891 B1ExxonMobil Upstream Research Company · 2001
- Ultra-high strength ausaged steels with excellent cryogenic temperature toughness27US 6,251,198 B1ExxonMobil Upstream Research Company · 2001
- Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof23US 6,254,698 B1ExxonMobile Upstream Research Company · 2001