B21D 19/04
Shaped as rollers
Official title: shaped as rollers
B21D19/04 (Shaped as rollers) appears on 171 US grants and 148 published applications in this corpus.
Search patents in B21D- Granted patents
- 171
- Published applications
- 148
- Assignees
- 131
- Inventors
- 371
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 4 |
| 2003 | 3 | 2 |
| 2004 | 4 | 5 |
| 2005 | 2 | 4 |
| 2006 | 3 | 2 |
| 2007 | 4 | 2 |
| 2008 | 2 | 6 |
| 2009 | 2 | 8 |
| 2010 | 2 | 7 |
| 2011 | 7 | 6 |
| 2012 | 5 | 6 |
| 2013 | 3 | 6 |
| 2014 | 5 | 5 |
| 2015 | 10 | 10 |
| 2016 | 7 | 12 |
| 2017 | 6 | 5 |
| 2018 | 5 | 6 |
| 2019 | 9 | 9 |
| 2020 | 8 | 10 |
| 2021 | 4 | 4 |
| 2022 | 7 | 7 |
| 2023 | 5 | 5 |
| 2024 | 7 | 9 |
| 2025 | 9 | 6 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Die set for forming a work having a pair of flange bending parts2 Jun 2026US 12,646,529 B2NHK Spring Co., Ltd.
- Processing method for forming a work having a pair of flange bending parts28 Apr 2026US 12,614,562 B2NHK Spring Co., Ltd.
- Electric pipe expander31 Mar 2026US 12,589,425 B2NAVAC Inc.
- Pocket flange forming device for duct3 Mar 2026US 12,564,872 B2Jinwoong Technology Co., Ltd.
- Hemming apparatus30 Dec 2025US 12,508,641 B1Fca US LLC
- Method for producing an aerosol dome9 Jul 2026US 2026/0193017 A1Adval Tech Holding AG
- Die set for forming a work having a pair of flange bending parts15 May 2025US 2025/0157485 A1NHK Spring Co., Ltd.
- Processing method for forming a work having a pair of flange bending parts15 May 2025US 2025/0157486 A1NHK Spring Co., Ltd.
- Method of assembling a pump having a noncircular joint10 Apr 2025US 2025/0114836 A1Hanon Systems EFP Canada Ltd.
- Roller hemming device, roller hemming method and method for setting a hemming process20 Mar 2025US 2025/0091111 A1thyssenkrupp AG
Most cited
By later US patents
- Edge curling tool120US 8,408,036 B2FFT EDAG Produktionssysteme GmbH & Co. KG · 2013
- Composite of sheet metal parts117US 8,631,996 B2FFT EDAG Produktionssysteme GmbH & Co. KG · 2014
- Isothermal metal forming apparatus89US 3,988,913 AInternational Harvester Company · 1976
- Process for obtaining a hermetic connection for rigid tube51US 5,131,145 AParker Hannifin RAK SA · 1992
- Flange reforming apparatus46US 6,055,836 ACrown Cork & Seal Technologies Corporation · 2000