B21D 22/022
By heating the blank or stamping associated with heat treatment
Official title: {by heating the blank or stamping associated with heat treatment (C21D takes precedence)}
B21D22/022 (By heating the blank or stamping associated with heat treatment) appears on 524 US grants and 832 published applications in this corpus.
Search patents in B21D- Granted patents
- 524
- Published applications
- 832
- Assignees
- 215
- Inventors
- 1,356
- Latest grant
- 29 Sep 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 | 0 | 0 |
| 1992 | 1 | 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 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 0 | 7 |
| 2011 | 3 | 12 |
| 2012 | 6 | 17 |
| 2013 | 9 | 29 |
| 2014 | 12 | 35 |
| 2015 | 16 | 31 |
| 2016 | 22 | 48 |
| 2017 | 27 | 67 |
| 2018 | 21 | 71 |
| 2019 | 59 | 67 |
| 2020 | 55 | 65 |
| 2021 | 47 | 73 |
| 2022 | 51 | 57 |
| 2023 | 54 | 82 |
| 2024 | 57 | 50 |
| 2025 | 43 | 67 |
| 2026 | 34 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel sheet for hot stamping29 Sep 2026US 12,747,484 B2Nippon Steel Corporation
- Compositions for the treatment of rheumatoid arthritis and methods of using same29 Sep 2026US 12,747,487 B2Regeneron Pharmaceuticals, Inc.
- Steel sheet for hot press formed member22 Sep 2026US 12,741,447 B2Posco
- Hot stamping member15 Sep 2026US 12,734,573 B2Nippon Steel Corporation
- Method for producing a steel sheet having excellent processability before hot forming8 Sep 2026US 12,729,413 B2ArcelorMittal
- Manufacturing method for a metallic part and associated metallic part8 Oct 2026US 2026/0307131 A1
- Manufacturing method for a metallic part and associated metallic part1 Oct 2026US 2026/0295649 A1
- Blank, production method for structural member and structural member1 Oct 2026US 2026/0296583 A1Nippon Steel Corporation
- Vehicle member assembly and method for manufacturing the same24 Sep 2026US 2026/0284809 A1Magna International Inc.
- Press hardening method24 Sep 2026US 2026/0286457 A1
Most cited
By later US patents
- Instant heating process with electric current application to the workpiece for high strength metal forming30US 6,463,779 B12002
- Method for partly reinforcing a workpiece28US 6,742,374 B22004
- Method of producing a sheet steel product such as a reinforcement element in a larger structure26US 5,916,389 ASSAB Hardtech AB · 1999
- Method for deep-drawing sheet metal and an apparatus for carrying out the method25US 4,532,793 AKraftwerk Union Aktiengesellschaft · 1985
- Induction forming of metal components with integral heat treatment21US 8,480,823 B1The Boeing Company · 2013