B23F 21/08
Having the same profile as a tooth or teeth of a rack
Official title: having the same profile as a tooth or teeth of a rack
B23F21/08 (Having the same profile as a tooth or teeth of a rack) appears on 6 US grants and 5 published applications in this corpus.
Search patents in B23F- Granted patents
- 6
- Published applications
- 5
- Assignees
- 9
- Inventors
- 24
- Latest grant
- 18 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Power skiving pressure angle correction without tool geometry change18 Aug 2020US 10,744,581 B2The Gleason Works
- Gear cutting tool, gear machining device, and gear machining method14 Apr 2020US 10,618,125 B2Jtekt Corporation
- Gear cutting tool27 Apr 1993US 5,205,678 ABucyrus-Erie Company
- Tool device16 Jul 1991US 5,031,491 AMaag Gear-Wheel & Machine Company Limited
- Gear transmission and method of machining its teeth2 May 1989US 4,825,715 APolitechnika Rzeszowska im. Ignacego Lukasiewicza
- Skiving Tool and Method for Skiving Processing a Gear Wheel Blank6 Oct 2022US 2022/0314349 A1Präwema Antriebstechnik GmbH
- Power skiving pressure angle correction without tool geometry change4 Jul 2019US 2019/0201992 A1The Gleason Works
- Tool, an appratus for machining splines on a workpiece and a method of machining splines on a workpiece17 Jan 2019US 2019/0015915 A1ROLLS-ROYCE plc
- Gear cutting tool, gear machining device, and gear machining method4 Jan 2018US 2018/0001405 A1Jtekt Corporation
- Method of broaching hardened steel workpieces with diamond-tipped tools17 Jun 2010US 2010/0150678 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Tool for machining tooth flanks and method of finishing tooth flanks10US 4,720,220 AMaag Gear-Wheel & Machine Company Limited · 1988
- Tool device10US 5,031,491 AMaag Gear-Wheel & Machine Company Limited · 1991
- Gear transmission and method of machining its teeth7US 4,825,715 APolitechnika Rzeszowska im. Ignacego Lukasiewicza · 1989
- Gear cutting tool7US 5,205,678 ABucyrus-Erie Company · 1993