B21K 1/704
Cap nuts
Official title: {Cap nuts}
B21K1/704 (Cap nuts) appears on 5 US grants and 3 published applications in this corpus.
Search patents in B21K- Granted patents
- 5
- Published applications
- 3
- Assignees
- 3
- Inventors
- 5
- Latest grant
- 13 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Crimped capped fastener13 Jul 2021US 11,060,548 B2MacLean-Fogg Company
- Tee nut and method of manufacturing the same20 Oct 1998US 5,823,729 ANagayama Electronic Industry Co., Ltd.
- Method of making a two-piece capped lug nut17 May 1988US 4,744,119 A
- Cup nut mass production process11 May 1976US 3,955,231 A
- Active-R filter4 May 1976US 3,955,150 AThe United States of America as represented by the United States Energy Research and Development Administration
Most cited
By later US patents
- Tee nut and method of manufacturing the same19US 5,823,729 ANagayama Electronic Industry Co., Ltd. · 1998
- Cup nut mass production process12US 3,955,231 A1976
- Method of making a two-piece capped lug nut11US 4,744,119 A1988
- Active-R filter5US 3,955,150 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976