B21D 22/208
By heating the blank or deep-drawing associated with heat treatment
Official title: {by heating the blank or deep-drawing associated with heat treatment (C21D takes precedence)}
B21D22/208 (By heating the blank or deep-drawing associated with heat treatment) appears on 201 US grants and 328 published applications in this corpus.
Search patents in B21D- Granted patents
- 201
- Published applications
- 328
- Assignees
- 112
- Inventors
- 644
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 5 |
| 2009 | 1 | 1 |
| 2010 | 2 | 5 |
| 2011 | 1 | 5 |
| 2012 | 4 | 9 |
| 2013 | 2 | 15 |
| 2014 | 2 | 28 |
| 2015 | 9 | 30 |
| 2016 | 17 | 26 |
| 2017 | 16 | 20 |
| 2018 | 20 | 25 |
| 2019 | 22 | 32 |
| 2020 | 19 | 18 |
| 2021 | 17 | 15 |
| 2022 | 13 | 15 |
| 2023 | 12 | 22 |
| 2024 | 15 | 15 |
| 2025 | 16 | 27 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method to operate a hydraulic press for metal sheet forming4 Aug 2026US 12,697,651 B2Diteven Limited:
- Method for manufacturing a large-sized seamless dome, and corresponding dome4 Aug 2026US 12,697,653 B2Albert & Duval
- Hot-press molding apparatus, automotive body component, hot-press molding method, and automotive body component manufacturing method30 Jun 2026US 12,667,881 B2G-Tekt Corporation
- Steel sheet for hot press forming, method of producing steel sheet for hot press forming, and method of producing hot pressed member19 May 2026US 12,629,741 B2Jfe Steel Corporation
- Method for forming and heat treating near net shape complex structures from sheet metal14 Apr 2026US 12,599,953 B2Spirit AeroSystems, Inc.
- Method for producing press-formed product, press apparatus, press-formed product, structural component for automobile, and automobile6 Aug 2026US 2026/0225142 A1Nippon Steel Corporation
- Aluminum blanks with reinforcement patches6 Aug 2026US 2026/0225143 A1Magna International Inc.
- Hot-formed part and method for manuacturing16 Jul 2026US 2026/0199952 A1Posco
- Structural member and method for manufacturing same16 Jul 2026US 2026/0199953 A1Nippon Steel Corporation
- Forming press die apparatus and press-forming method9 Jul 2026US 2026/0192349 A1Mayekawa Mfg. Co., Ltd.
Most cited
By later US patents
- Method for deep-drawing sheet metal and an apparatus for carrying out the method25US 4,532,793 AKraftwerk Union Aktiengesellschaft · 1985
- Manufacturing method for hot press formed steel member17US 9,359,663 B2Kobe Steel, Ltd. · 2016
- Hot stamping method13US 10,286,439 B2Ms Autotech Co., Ltd. · 2019
- Method for manufacturing hot-press formed steel-member, and the hot-press formed steel-member12US 10,029,294 B2Kobe Steel, Ltd. · 2018
- Hot-press formed product and method for manufacturing same12US 9,611,518 B2Kobe Steel, Ltd. · 2017