B21H 3/022
Combined with rolling splines, ribs, grooves or the like
Official title: {combined with rolling splines, ribs, grooves or the like, e.g. using compound dies}
B21H3/022 (Combined with rolling splines, ribs, grooves or the like) appears on 37 US grants and 22 published applications in this corpus.
Search patents in B21H- Granted patents
- 37
- Published applications
- 22
- Assignees
- 26
- Inventors
- 57
- Latest grant
- 28 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 4 | 3 |
| 2017 | 3 | 0 |
| 2018 | 0 | 2 |
| 2019 | 5 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Thread rolling assembly28 Jul 2020US 10,722,934 B2Vey Manufacturing Technologies LLC
- Method for making a dual threaded bolt roll forming die16 Jul 2019US 10,350,670 B1
- Hybrid fastener and method of making the same16 Jul 2019US 10,350,718 B2The Boeing Company
- Crack-proof screw2 Jul 2019US 10,337,548 B2Kwantex Research Inc.
- Method of forming a die for roll forming a dual threaded bolt11 Jun 2019US 10,315,244 B1
- Crack-proof screw17 May 2018US 2018/0135681 A1Kwantex Research Inc.
- Thread rolling assembly1 Mar 2018US 2018/0056367 A1Vey Manufacturing Technologies LLC
- Hybrid Fastener and Method of Making the Same7 Apr 2016US 2016/0096244 A1The Boeing Company
- Method for Producing Screws and Concrete Screw7 Jan 2016US 2016/0001348 A1Hilti Aktiengesellschaft
- Method for Producing a Concrete Screw7 Jan 2016US 2016/0003282 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Self-plugging blind fastener30US 4,781,501 AAvdel Limited · 1988
- Method and apparatus for making a self-thread creating fastener23US 4,315,340 A1982
- Method of producing left-right screw19US 7,217,195 B2Yugen Kaisha Art Screw · 2007
- Rolling dies for producing dog point threads15US 6,516,650 B1Osg Corporation · 2003
- Method of making a stem for a self-plugging blind fastener12US 4,765,010 AAdvel Limited · 1988