B21D 37/16
Heating or cooling
B21D37/16 (Heating or cooling) appears on 445 US grants and 617 published applications in this corpus.
Search patents in B21D- Granted patents
- 445
- Published applications
- 617
- Assignees
- 262
- Inventors
- 1,208
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 4 |
| 2004 | 3 | 10 |
| 2005 | 4 | 9 |
| 2006 | 8 | 10 |
| 2007 | 10 | 7 |
| 2008 | 1 | 10 |
| 2009 | 4 | 13 |
| 2010 | 6 | 24 |
| 2011 | 6 | 21 |
| 2012 | 17 | 22 |
| 2013 | 19 | 28 |
| 2014 | 15 | 33 |
| 2015 | 22 | 30 |
| 2016 | 28 | 34 |
| 2017 | 25 | 34 |
| 2018 | 25 | 45 |
| 2019 | 38 | 39 |
| 2020 | 31 | 39 |
| 2021 | 32 | 42 |
| 2022 | 36 | 32 |
| 2023 | 25 | 40 |
| 2024 | 28 | 31 |
| 2025 | 28 | 34 |
| 2026 | 9 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel sheet for hot press formed member22 Sep 2026US 12,741,447 B2Posco
- Anti-collapse oil casing with high strength and manufacturing method therefor5 May 2026US 12,617,007 B2Baoshan Iron & Steel Co., Ltd.
- Insulating die plate, forging press and ceramic insulating body28 Apr 2026US 12,611,707 B2SMS group GmbH
- Hot box exchange capability and method thereof21 Apr 2026US 12,605,756 B2The Boeing Company
- Method for forming and heat treating near net shape complex structures from sheet metal14 Apr 2026US 12,599,953 B2Spirit AeroSystems, Inc.
- Blank, production method for structural member and structural member1 Oct 2026US 2026/0296583 A1Nippon Steel Corporation
- Hot stamping system and method17 Sep 2026US 2026/0273606 A1
- Forming system20 Aug 2026US 2026/0241435 A1Sumitomo Heavy Industries, Ltd.
- Hot Straightening Device for the Hot Straightening of a Component and Hot Straightening Process30 Jul 2026US 2026/0216775 A1Core 12 GmbH
- Metal Forming System30 Jul 2026US 2026/0216778 A1Textron Aviation Inc.
Most cited
By later US patents
- Method of forming a tubular blank into a structural component and die therefor68US 7,269,986 B2Hot Metal Gas Forming IP 2, Inc. · 2007
- Modularized reconfigurable heated forming tool38US 6,089,061 ANorthrop Grumman Corporation · 2000
- Reducing force needed to form a shape from a sheet metal35US 8,578,748 B2The Boeing Company · 2013
- Method of forming a tubular blank into a structural component and die therefor34US 6,322,645 B12001
- Forming technique using discrete heating zones32US 5,992,197 AThe Budd Company · 1999