B21K 1/50
Trimming or shearing formed heads
Official title: Trimming or shearing formed heads, e.g. working with dies
B21K1/50 (Trimming or shearing formed heads) appears on 8 US grants and 8 published applications in this corpus.
Search patents in B21K- Granted patents
- 8
- Published applications
- 8
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 16 Jul 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and tooling for headed pilot pointed bolts16 Jul 2013US 8,485,013 B2The National Machinery Company
- Cold-headed standoff15 Dec 2009US 7,631,532 B2PEM Management, Inc.
- Cold-headed standoff9 Sep 2008US 7,421,875 B2PEM Management, Inc.
- Method of forming a cold-headed standoff13 Feb 2007US 7,175,533 B2PEM Management, Inc.
- Bolt apparatus for calculating threaded bolt tension and method of manufacture22 Oct 2002US 6,468,013 B1Koninklijke Nedschoref Holding N.V.
- Rolled-thread bolt production method4 Oct 2018US 2018/0283437 A1Toyota Jidosha Kabushiki Kaisha
- Tooling for headed pilot pointed bolts12 Jun 2014US 2014/0157855 A1The National Machinery Company
- Method for manufacturing cold-forged wing bolts9 Aug 2012US 2012/0198906 A1
- Method and tooling for headed pilot pointed bolts1 Oct 2009US 2009/0247310 A1The National Machinery Company
- Cold-headed standoff11 Dec 2008US 2008/0302162 A1PEM Management, Inc.
Most cited
By later US patents
- Method of forming a cold-headed standoff4US 7,175,533 B2PEM Management, Inc. · 2007
- Method and apparatus for detecting, signalling, and sorting inaccurately formed articles produced by a tool machine3US 4,168,458 ANedschroef Octrooi Maatschappij N.V. · 1979
- Bolt apparatus for calculating threaded bolt tension and method of manufacture2US 6,468,013 B1Koninklijke Nedschoref Holding N.V. · 2002
- Cold-headed standoff2US 7,421,875 B2PEM Management, Inc. · 2008
- Cold-headed standoff2US 7,631,532 B2PEM Management, Inc. · 2009