B21D 7/16
Auxiliary equipment
Official title: Auxiliary equipment, e.g. for heating or cooling of bends
B21D7/16 (Auxiliary equipment) appears on 107 US grants and 105 published applications in this corpus.
Search patents in B21D- Granted patents
- 107
- Published applications
- 105
- Assignees
- 76
- Inventors
- 233
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 5 |
| 2011 | 1 | 2 |
| 2012 | 4 | 10 |
| 2013 | 4 | 8 |
| 2014 | 5 | 2 |
| 2015 | 2 | 9 |
| 2016 | 6 | 7 |
| 2017 | 5 | 10 |
| 2018 | 5 | 11 |
| 2019 | 17 | 4 |
| 2020 | 7 | 7 |
| 2021 | 4 | 5 |
| 2022 | 7 | 7 |
| 2023 | 4 | 6 |
| 2024 | 2 | 2 |
| 2025 | 4 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pipe bender alignment assembly9 Sep 2025US 12,409,484 B2
- System and method for gripping and centering workpieces for subsequent processing2 Sep 2025US 12,403,566 B1Automated Industrial Machinery, Inc.
- Tubing bender1 Jul 2025US 12,343,783 B2Brochman Innovations, LLC
- Device and method for making efficient Y-pipes20 May 2025US 12,303,962 B2ROLLS-ROYCE plc
- Method for controlling a bending process for bending a bending body9 Jul 2024US 12,030,109 B2Bayerische Motoren Werke Aktiengesellschaft
- Method for manufacturing stabilizer17 Sep 2026US 2026/0273603 A1NHK Spring Co., Ltd.
- System and Method for Orientated Tube Bending13 Aug 2026US 2026/0233281 A1
- Method and digital twin system for real-time monitoring and prediction of tube bending process state2 Oct 2025US 2025/0306549 A1Zhejiang University
- Tubing bender18 Sep 2025US 2025/0289047 A1
- Method for producing tubular coating-free press-hardened steel19 Jun 2025US 2025/0197958 A1GM Global Technology Operations LLC
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
- Methods for laser cutting and processing tubing to make medical devices35US 8,333,897 B2Advanced Cardiovascular Systems, Inc. · 2012
- 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