B21D 39/03
Application of procedures in order to connect objects or parts: of sheet
Official title: of sheet metal otherwise than by folding
B21D39/03 (Application of procedures in order to connect objects or parts: of sheet) appears on 535 US grants and 477 published applications in this corpus.
Search patents in B21D- Granted patents
- 535
- Published applications
- 477
- Assignees
- 324
- Inventors
- 991
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 6 |
| 2002 | 7 | 6 |
| 2003 | 10 | 13 |
| 2004 | 13 | 18 |
| 2005 | 11 | 14 |
| 2006 | 10 | 20 |
| 2007 | 5 | 11 |
| 2008 | 5 | 10 |
| 2009 | 6 | 11 |
| 2010 | 10 | 16 |
| 2011 | 10 | 17 |
| 2012 | 10 | 19 |
| 2013 | 8 | 18 |
| 2014 | 11 | 14 |
| 2015 | 13 | 32 |
| 2016 | 20 | 26 |
| 2017 | 20 | 24 |
| 2018 | 21 | 23 |
| 2019 | 23 | 38 |
| 2020 | 23 | 24 |
| 2021 | 27 | 22 |
| 2022 | 27 | 24 |
| 2023 | 19 | 23 |
| 2024 | 19 | 21 |
| 2025 | 18 | 18 |
| 2026 | 8 | 9 |
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
- Method for producing pipes having topographic inner structures2 Jun 2026US 12,644,654 B2Karlsruher Institut Fuer Technologie
- Planet carrier, planetary drive for a vehicle having the planet carrier and set comprising a plurality of planet carriers12 May 2026US 12,624,753 B2Schaeffler Technologies AG & Co. KG
- 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
- Longitudinal chamber profile preform and method23 Jul 2026US 2026/0208253 A1Zieta Prozessdesign SpóLka Z Ograniczona Odpowiedzialnoscia
- 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
Most cited
By later US patents
- Tubular structures and knurling systems and methods of manufacture and use thereof118US 9,933,092 B2Deflecto, LLC · 2018
- Composite of sheet metal parts117US 8,631,996 B2FFT EDAG Produktionssysteme GmbH & Co. KG · 2014
- 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