B21K 29/00
Arrangements for heating or cooling during processing
Official title: Arrangements for heating or cooling during processing (for preparing metal stock to be forged or pressed B21J1/06; heating equipment per se, see the appropriate classes, e.g. H05B)
B21K29/00 (Arrangements for heating or cooling during processing) appears on 48 US grants and 42 published applications in this corpus.
Search patents in B21K- Granted patents
- 48
- Published applications
- 42
- Assignees
- 45
- Inventors
- 117
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 2 | 2 |
| 2014 | 0 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 3 | 3 |
| 2019 | 2 | 2 |
| 2020 | 0 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 3 | 3 |
| 2024 | 3 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Forging press for hot forging of asymmetric to symmetric rail and process of forging thereof26 May 2026US RE50,897 E1Savita Nowar
- Forging and pressing production system and management method therefor9 Dec 2025US 12,491,557 B2
- Method and plant for the fast manufacturing of fasteners8 Apr 2025US 12,269,086 B2Poggipolini S.P.A.
- Spray head for cooling lubrication of a die of a forming machine3 Dec 2024US 12,157,132 B2SMS group GmbH
- Forging press for hot forging of asymmetric to symmetric rail and process of forging thereof12 Mar 2024US 11,925,966 B2
- Method for manufacturing constant velocity drive shaft12 Jun 2025US 2025/0187062 A1Sigma & Hearts Co., Ltd.
- Bicycle seat rail manufacturing method12 Dec 2024US 2024/0410042 A1
- Method for making non-spherical solder ball16 May 2024US 2024/0157431 A1Joinset Co., Ltd.
- Spray head for cooling lubrication of a die of a forming machine25 Jan 2024US 2024/0024905 A1SMS group GmbH
- Method and plant for the fast manufacturing of fasteners19 Oct 2023US 2023/0330739 A1Poggipolini S.P.A.
Most cited
By later US patents
- Heater for superplastic forming of metals70US 4,888,973 AMurdock, Inc. · 1989
- Method and apparatus for forge-shaping sheet members22US 4,356,717 AHonda Giken Kogyo Kabushiki Kaisha · 1982
- Methods for processing titanium alloys20US 9,206,497 B2ATI Properties, Inc. · 2015
- Forging apparatus15US 4,265,105 AUnited Technologies Corporation · 1981
- Die forging press14US 4,444,039 AKabushiki Kaisha Kobe Seiko Sho · 1984