B21D 7/162
Heating equipment
Official title: {Heating equipment}
B21D7/162 (Heating equipment) appears on 44 US grants and 43 published applications in this corpus.
Search patents in B21D- Granted patents
- 44
- Published applications
- 43
- Assignees
- 36
- Inventors
- 117
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 8 |
| 2013 | 3 | 5 |
| 2014 | 3 | 1 |
| 2015 | 1 | 3 |
| 2016 | 4 | 3 |
| 2017 | 1 | 4 |
| 2018 | 3 | 3 |
| 2019 | 5 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for making efficient Y-pipes20 May 2025US 12,303,962 B2ROLLS-ROYCE plc
- Method and apparatus for remedying a non-conforming feature of an aluminum alloy part4 Apr 2023US 11,618,067 B2The Boeing Company
- Systems and methods for producing hot induction pipe bends with homogeneous metallurgical and mechanical properties16 Aug 2022US 11,414,723 B2Welspun Corp Limited
- Differential temperature push bending method and device for tube with small bending radius30 Nov 2021US 11,185,904 B2Nanchang Hangkong University (NCHU)
- Warm forming process and apparatus for transverse bending of an extruded aluminum beam to warm form a vehicle structural component17 Nov 2020US 10,835,942 B2Shape Corp.
- Method for manufacturing stabilizer17 Sep 2026US 2026/0273603 A1NHK Spring Co., Ltd.
- Method for producing tubular coating-free press-hardened steel19 Jun 2025US 2025/0197958 A1GM Global Technology Operations LLC
- Device and method for making efficient y-pipes28 Sep 2023US 2023/0302518 A1ROLLS-ROYCE plc
- Free-bending forming apparatus for tubular component made of difficult-to-deform material using differential temperatures and method thereof22 Jun 2023US 2023/0191472 A1Nanjing University of Aeronautics and Astronautics
- Cooling device and cooling method15 Dec 2022US 2022/0395881 A1Nippon Steel Corporation
Most cited
By later US patents
- Method and apparatus for continuous bending of elongated materials37US 4,061,005 ADaiichi Koshuha Kogyo Kabushiki Kaisha · 1977
- Table bender controller35US 5,315,522 A1994
- Metal bending methods and apparatus21US 4,062,216 ADaiichi Koshuha Kogyo Kabushiki Kaisha · 1977
- Means and method for reducing radius expansion in the bending of elongated materials15US 4,122,697 ADaiichi Koshuha Kogya Kabushiki Kaisha · 1978
- Method for bending a metal pipe13US 4,412,442 ADai-Ichi High Frequency Co., Ltd. · 1983