B21D 22/18
Using tools guided to produce the required profile
Official title: using tools guided to produce the required profile
B21D22/18 (Using tools guided to produce the required profile) appears on 64 US grants and 69 published applications in this corpus.
Search patents in B21D- Granted patents
- 64
- Published applications
- 69
- Assignees
- 45
- Inventors
- 172
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 4 |
| 2004 | 3 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 5 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 1 |
| 2013 | 4 | 8 |
| 2014 | 2 | 2 |
| 2015 | 0 | 5 |
| 2016 | 4 | 2 |
| 2017 | 5 | 5 |
| 2018 | 3 | 1 |
| 2019 | 3 | 8 |
| 2020 | 3 | 5 |
| 2021 | 6 | 3 |
| 2022 | 3 | 2 |
| 2023 | 4 | 1 |
| 2024 | 1 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flow-forming machine and method for flow-forming31 Mar 2026US 12,589,426 B2Leifeld Metal Spinning AG
- Counter-roller active power flexible spinning device for large cylinder29 Jul 2025US 12,370,593 B2Xi' An Jiaotong University
- Method and device for producing a rolling bearing cage from a sleeve-like blank24 Jun 2025US 12,337,373 B2Hsp Schwahlen GmbH
- Spinning device and spinning method7 Jan 2025US 12,186,793 B2Nihon Spindle Manufacturing Co., Ltd.
- Steel barrel rotation assembly19 Mar 2024US 11,933,637 B2
- Automated sphere plate pressing method16 Jul 2026US 2026/0199948 A1CB&I STS Delaware LLC
- Wheel disc for vehicle wheels, method of manufacture and vehicle wheel22 May 2025US 2025/0162014 A1Maxion Wheels Holding GmbH
- Method and device for producing a rolling bearing cage from a sleeve-like blank26 Sep 2024US 2024/0316615 A1Hsp Schwahlen GmbH
- Counter-roller active power flexible spinning device for large cylinder11 Jul 2024US 2024/0226983 A1Xi' An Jiaotong University
- Flow-forming machine and method for flow-forming30 May 2024US 2024/0173763 A1Leifeld Metal Spinning AG
Most cited
By later US patents
- Method and apparatus for forming sheet metal49US 7,536,892 B2Amino Corporation · 2009
- Sequential forming device45US 6,823,705 B2Honda Giken Kogyo Kabushiki Kaisha · 2004
- Process and device for metal spinning23US 5,218,849 AZeppelin-Metallwerke GmbH · 1993
- System and method for constricting wall of a tube19US 5,845,527 ATandem Systems, Inc. · 1998
- Method for manufacturing a dome from an undersized blank19US 6,199,419 B12001