B23D 37/16
For broaching helical grooves
Official title: for broaching helical grooves
B23D37/16 (For broaching helical grooves) appears on 5 US grants and 6 published applications in this corpus.
Search patents in B23D- Granted patents
- 5
- Published applications
- 6
- Assignees
- 8
- Inventors
- 15
- Latest grant
- 28 Jan 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 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 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Helical broach and internal gear machining method using the same28 Jan 2020US 10,543,541 B2Nachi-Fujikoshi Corp.
- Method and tool for producing a surface of predetermined roughness16 Apr 2019US 10,259,059 B2Guehring KG
- Method and tool for producing a surface of predetermined roughness9 May 2017US 9,643,265 B2Guehring KG
- Broaching apparatus and method for producing a gear member with tapered gear teeth16 Dec 2008US 7,465,134 B2GM Global Technology Operations LLC
- Apparatus for broaching rifling25 Oct 1983US 4,411,569 AThe United States of America as represented by the Secretary of the Army
- Helical broach and internal gear machining method using the same30 Aug 2018US 2018/0243847 A1Nachi-Fujikoshi Corp.
- Method and tool for producing a surface of predetermined roughness4 Jun 2015US 2015/0151369 A1Guehring Ohg
- Method and tool for producing a surface of predetermined roughness14 Aug 2014US 2014/0227046 A1Guehring Ohg
- Method and Tool for Producing a Surface of Predetermined Roughness11 Feb 2010US 2010/0031799 A1Guhring oHG
- Broaching apparatus and method for producing a gear member with tapered gear teeth6 Dec 2007US 2007/0280800 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Apparatus for broaching rifling9US 4,411,569 AThe United States of America as represented by the Secretary of the Army · 1983
- Method and tool for producing a surface of predetermined roughness3US 9,643,265 B2Guehring KG · 2017
- Broaching apparatus and method for producing a gear member with tapered gear teeth2US 7,465,134 B2GM Global Technology Operations LLC · 2008