B21K 1/68
From round or profiled bars
Official title: from round or profiled bars
B21K1/68 (From round or profiled bars) appears on 12 US grants and 11 published applications in this corpus.
Search patents in B21K- Granted patents
- 12
- Published applications
- 11
- Assignees
- 8
- Inventors
- 16
- Latest grant
- 12 Jul 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fastener manufacturing assembly and method12 Jul 2011US 7,975,522 B2Whitesell International Corporation
- Method for the production of hollow elements, hollow element, assembly piece, and follow-on composite tool for carrying out said method16 Mar 2010US 7,677,074 B2Profil Verbindungstechnik GMBH & Co.KG
- Method of manufacturing hollow body elements, section for use in the method, hollow body element, component assembly and die17 Jun 2008US 7,387,575 B2Profil Verbindungstechnik GMBH & Co.KG
- Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods25 Mar 2008US 7,347,075 B2Amafa Service S.R.L.
- Method for the manufacture of hollow body elements, hollow body element and also progressive tool for carrying out the method1 Jan 2008US 7,314,417 B2Profil Verbindungstechnik GMBH & Co.KG
- Method for the production of hollow elements, hollow element, assembly piece, and follow-on composite tool for carrying out said method3 Jun 2010US 2010/0135744 A1Profil Verbindungstechnik GMBH & Co.KG
- Fastener manufacturing assembly and method28 Aug 2008US 2008/0201934 A1Whitesell International Corporation
- Self-Threading Female Fastener Elements and Method of Forming Same13 Dec 2007US 2007/0286700 A1
- Method for the production of hollow elements, hollow element, assembly piece, and follow-on composite tool for carrying out said method2 Aug 2007US 2007/0175262 A1Profil Verbindungstechnick GMBH & Co. KG
- Method of manufacturing hollow body elements, section for use in the method, hollow body element, component assembly and die16 Mar 2006US 2006/0053612 A1Profil Verbindungstechnik GMBH & Co.KG
Most cited
By later US patents
- Nut forming apparatus9US 4,574,609 AMicrodot Inc. · 1986
- Method of preparing ultra-fine grain metallic articles and metallic articles prepared thereby6US 6,912,885 B2The Boeing Company · 2005
- Method of preparing ultra-fine grain metallic articles and metallic articles prepared thereby6US 7,077,755 B2The Boeing Company · 2006
- Method for the manufacture of hollow body elements, hollow body element and also progressive tool for carrying out the method5US 7,314,417 B2Profil Verbindungstechnik GMBH & Co.KG · 2008
- Method for producing hollow bodies, profile for use in said method, hollow body, assembly unit and mold4US 7,090,451 B2Profil Verbindungstechnik GMBH & Co.KG · 2006