B21D 39/031
Joining superposed plates by locally deforming without slitting or piercing
Official title: {Joining superposed plates by locally deforming without slitting or piercing}
B21D39/031 (Joining superposed plates by locally deforming without slitting or piercing) appears on 281 US grants and 271 published applications in this corpus.
Search patents in B21D- Granted patents
- 281
- Published applications
- 271
- Assignees
- 180
- Inventors
- 544
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 4 |
| 2003 | 6 | 7 |
| 2004 | 6 | 9 |
| 2005 | 4 | 10 |
| 2006 | 5 | 11 |
| 2007 | 5 | 8 |
| 2008 | 2 | 3 |
| 2009 | 2 | 7 |
| 2010 | 7 | 11 |
| 2011 | 3 | 6 |
| 2012 | 5 | 12 |
| 2013 | 6 | 11 |
| 2014 | 4 | 8 |
| 2015 | 7 | 16 |
| 2016 | 11 | 15 |
| 2017 | 11 | 10 |
| 2018 | 10 | 13 |
| 2019 | 10 | 22 |
| 2020 | 11 | 10 |
| 2021 | 15 | 13 |
| 2022 | 15 | 15 |
| 2023 | 14 | 16 |
| 2024 | 12 | 14 |
| 2025 | 12 | 13 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for fastening piercing nut to stacked body of plate-shaped workpieces11 Aug 2026US 12,704,146 B2Aoyama Seisakusho Co., Ltd.
- Sheet material clamp and method for dynamic binding7 Jul 2026US 12,673,356 B1Soles Enterprises, Inc
- C-shaped tool holder, setting device with the C-shaped tool holder and method for setting an offset difference of the C-shaped tool holder16 Jun 2026US 12,654,221 B2Böllhoff Verbindungstechnik GmbH
- Steel component and production method for the same20 Jan 2026US 12,528,110 B2Nippon Steel Corporation
- Joining method, and device for such13 Jan 2026US 12,521,782 B2Mahle International GmbH
- Sheet material clamp and method for dynamic binding1 Oct 2026US 2026/0295651 A1Soles Enterprises, Inc
- Door drive device for adjusting a vehicle door relative to a vehicle body13 Aug 2026US 2026/0233588 A1Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Bamberg
- Module interface bracket with in-situ formed fasteners16 Jul 2026US 2026/0205046 A1Terabase Energy, Inc.
- Sheet material clamp and method for dynamic binding9 Jul 2026US 2026/0192351 A1Soles Enterprises, Inc
- Tool for assembling elements equipped with flap25 Jun 2026US 2026/0175281 A1Soltec Innovations, S.L.
Most cited
By later US patents
- Joining sheet metal85US 4,459,735 ABTM Corporation · 1984
- Joining and forming of tubular members81US 6,701,598 B2General Motors Corporation · 2004
- Apparatus for joining sheet material68US 4,757,609 ABTM Corporation · 1988
- Leak proof joint54US 5,051,020 ATech-Line Engineering Co. · 1991
- High velocity forming of local features using a projectile44US 6,807,717 B2The Ohio State University · 2004