B21D 39/035
Joining superposed plates by slitting
Official title: {Joining superposed plates by slitting}
B21D39/035 (Joining superposed plates by slitting) appears on 37 US grants and 25 published applications in this corpus.
Search patents in B21D- Granted patents
- 37
- Published applications
- 25
- Assignees
- 21
- Inventors
- 50
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 4 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Punching and clinching of metal sheets3 Oct 2023US 11,772,149 B2Schaeffler Technologies AG & Co. KG
- Metal fastening die assembly20 Sep 2022US 11,446,726 B2BTM Corporation
- Decking tool2 Mar 2021US 10,933,478 B2Verco Decking, Inc.
- Method for processing laminated material25 Aug 2020US 10,751,782 B2Mitsui High-Tec, Inc.
- Joining tool for side-lapped joints8 Oct 2019US 10,435,890 B2Nucor Corporation
- Punching and clinching of metal sheets14 Jul 2022US 2022/0219223 A1Schaeffler Technologies AG & Co. KG
- Metal fastening die assembly18 Nov 2021US 2021/0354188 A1BTM Corporation
- Joining tool for side-lapped joints6 Feb 2020US 2020/0040584 A1Nucor Corporation
- Method for processing laminated material10 Jan 2019US 2019/0009324 A1Mitsui High-Tec, Inc.
- Decking tool16 Aug 2018US 2018/0229316 A1Verco Decking, Inc.
Most cited
By later US patents
- Punch, die and anvil set65US 4,208,776 A1980
- High velocity forming of local features using a projectile44US 6,807,717 B2The Ohio State University · 2004
- Apparatus for joining two abutting metal members together and method of making such apparatus36US 4,035,901 ARobertshaw Controls Company · 1977
- Method of interlocking overlapping sheet material35US 3,934,327 A1976
- Method of joining thin and thick switch members29US 4,059,897 ARobertshaw Controls Company · 1977