B21K 1/702
Clinch nuts
Official title: {Clinch nuts}
B21K1/702 (Clinch nuts) appears on 37 US grants and 39 published applications in this corpus.
Search patents in B21K- Granted patents
- 37
- Published applications
- 39
- Assignees
- 20
- Inventors
- 33
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 7 |
| 2005 | 3 | 3 |
| 2006 | 6 | 4 |
| 2007 | 1 | 7 |
| 2008 | 3 | 4 |
| 2009 | 2 | 0 |
| 2010 | 3 | 2 |
| 2011 | 3 | 2 |
| 2012 | 1 | 5 |
| 2013 | 4 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Molding die structure for forming oblique teeth on a rivet nut18 Oct 2022US 11,471,930 B2Wei In Enterprise Co., Ltd.
- Method for installing a self-piercing and self-clinching fastener30 Jun 2020US 10,697,484 B2Rb&W Manufacturing LLC
- Apparatus to produce self-piercing and clinch nut and method of producing self-piercing and clinch nut3 Jul 2018US 10,010,929 B2Shinjo Holdings Co., Ltd.
- Apparatus to produce self-piercing and clinch nut and method for producing self-piercing and clinch nut2 Dec 2014US 8,899,089 B1Shinjo Manufacturing Co., Ltd.
- Method for producing hollow body elements, hollow body element, component, follow-on composite tool for producing hollow body elements8 Apr 2014US 8,690,693 B2Profil Verbindungstechnik GMBH & Co.KG
- Molding Die Structure for Forming Oblique Teeth on a Rivet Nut3 Feb 2022US 2022/0032360 A1Wei In Enterprise Co., Ltd.
- Method for installing a self-piercing and self-clinching fastener8 Aug 2019US 2019/0242417 A1Rb&W Manufacturing LLC
- Clinch nut and method for manufacturing one such nut23 Aug 2018US 2018/0238374 A1Bollhoff Otalu S.A.
- Apparatus to produce self-piercing and clinch nut and method of producing self-piercing and clinch nut20 Oct 2016US 2016/0303643 A1Shinjo Holdings Co., Ltd.
- Pierce nut manufacturing apparatus13 Dec 2012US 2012/0316001 A1Pias Sales Co., Ltd.
Most cited
By later US patents
- Self-attaching nut and method of making same53US 5,531,552 AMultifastener Corporation · 1996
- Self-attaching fastener and installation die53US 5,549,430 AMultifastener Corporation · 1996
- Self-attaching nut53US 7,112,025 B2Whitesell International Corporation · 2006
- Self-attaching nut46US 6,994,500 B2Whitesell International Corporation · 2006
- Pierce nuts in strip form34US 3,999,659 AMacLean-Fogg Lock Nut Company · 1976