B21D 19/088
For flanging holes
Official title: {for flanging holes}
B21D19/088 (For flanging holes) appears on 55 US grants and 77 published applications in this corpus.
Search patents in B21D- Granted patents
- 55
- Published applications
- 77
- Assignees
- 54
- Inventors
- 165
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 4 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 3 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 4 |
| 2015 | 1 | 2 |
| 2016 | 1 | 7 |
| 2017 | 4 | 5 |
| 2018 | 4 | 4 |
| 2019 | 7 | 6 |
| 2020 | 1 | 9 |
| 2021 | 5 | 2 |
| 2022 | 5 | 4 |
| 2023 | 4 | 4 |
| 2024 | 2 | 3 |
| 2025 | 4 | 5 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Burring processing method, burring processing mold, burring processing device, and burring processed product12 May 2026US 12,623,270 B2Nippon Steel Corporation
- Method of manufacturing a knife blade for a cutter knife and cutter knife28 Apr 2026US 12,610,882 B2Smf - Holding GmbH
- Method for manufacturing vehicle suspension arm and vehicle suspension arm28 Oct 2025US 12,454,161 B2Yorozu Corporation
- Burring processing method, method for manufacturing burring processed product, burring processing mold, burring processing device, and burring processed product14 Oct 2025US 12,440,882 B2Nippon Steel Corporation
- Punch and die assembly23 Sep 2025US 12,420,326 B2Rockhouse International Pty Ltd
- Hot-stamped product and method of producing the same27 Aug 2026US 2026/0249343 A1Nippon Steel Corporation
- Method for producing press-formed product, press apparatus, press-formed product, structural component for automobile, and automobile6 Aug 2026US 2026/0225142 A1Nippon Steel Corporation
- Vehicle body frame member and manufacturing method of the same2 Jul 2026US 2026/0184371 A1Toyota Jidosha Kabushiki Kaisha
- Structure around through-hole in metal sheet, blank, and automotive part18 Jun 2026US 2026/0166615 A1Nippon Steel Corporation
- Suspension arm member and method of manufacturing the same11 Jun 2026US 2026/0158841 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method of forming a collar for heating exchanger fin and die for use therein35US 4,956,989 AMatsushita Electric Industrial Co., Ltd. · 1990
- Suspension arm, and process for producing the same29US 5,662,349 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Pressure forming and piercing a hollow body29US 5,799,524 ASchafer Hydroforming GmbH & Co. · 1998
- Method of producing a sheet steel product such as a motor vehicle bumper beam in a progressive die system19US 6,293,134 B1SSAB Hardtech AB · 2001
- Process and apparatus for producing hollow bodies having at least one branch16US 5,765,420 AWilhelm Schaefer Maschinenbau GmbH & Company · 1998