C21D 8/0252
With application of tension
Official title: {with application of tension}
C21D8/0252 (With application of tension) appears on 46 US grants and 69 published applications in this corpus.
Search patents in C21D- Granted patents
- 46
- Published applications
- 69
- Assignees
- 35
- Inventors
- 146
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 2 |
| 2021 | 2 | 8 |
| 2022 | 1 | 9 |
| 2023 | 3 | 13 |
| 2024 | 7 | 11 |
| 2025 | 10 | 4 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel sheet and plated steel sheet8 Sep 2026US 12,729,420 B2Nippon Steel Corporation
- Press hardening method21 Jul 2026US 12,686,926 B2ArcelorMittal
- Welded joint and automobile member23 Jun 2026US 12,663,032 B2Nippon Steel Corporation
- Steel sheet, member, and methods for producing the same26 May 2026US 12,637,730 B2Jfe Steel Corporation
- Coated metal part obtained by deformation of a coated metal sheet21 Apr 2026US 12,606,898 B2ArcelorMittal
- Ultra-high-strength cold-rolled steel sheet having excellent yield strength and bending properties and method for manufacturing same16 Jul 2026US 2026/0201522 A1Posco
- Method for manufacturing a metal sheet with a znal coating and with optimized wiping, corresponding metal sheet, part and vehicle22 Jan 2026US 2026/0022444 A1ArcelorMittal
- High-strength steel sheet and method for producing the same4 Dec 2025US 2025/0369065 A1Jfe Steel Corporation
- Steel sheet, member, and methods for producing same9 Oct 2025US 2025/0313912 A1Jfe Steel Corporation
- Steel sheet, member, and methods for producing same9 Oct 2025US 2025/0313926 A1Jfe Steel Corporation
Most cited
By later US patents
- Apparatus for hot-forming, press-quenching, and cutting semifinished hardenable-steel workpiece20US 8,261,591 B2Benteler Automobiltechnik GmbH · 2012
- Method employing tension control and lower-cost alloy composition annealing amorphous alloys with shorter annealing time13US 6,254,695 B1Vacuumschmelze GmbH & Co.KG · 2001
- Method and apparatus for bainite blades8US 6,632,301 B2Benton Graphics, Inc. · 2003
- Method for manufacturing high strength steel sheet having excellent formability6US 9,617,614 B2Jfe Steel Corporation · 2017
- Apparatus for heat treating steel plates5US 4,826,138 AVan Dorn Company · 1989