B23F 21/086
In exchangeable arrangement
Official title: {in exchangeable arrangement}
B23F21/086 (In exchangeable arrangement) appears on 4 US grants and 1 published applications in this corpus.
Search patents in B23F- Granted patents
- 4
- Published applications
- 1
- Assignees
- 3
- Inventors
- 10
- Latest grant
- 18 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Power skiving pressure angle correction without tool geometry change18 Aug 2020US 10,744,581 B2The Gleason Works
- Gear cutting tool27 Apr 1993US 5,205,678 ABucyrus-Erie Company
- Tool device16 Jul 1991US 5,031,491 AMaag Gear-Wheel & Machine Company Limited
- Tool for machining tooth flanks and method of finishing tooth flanks19 Jan 1988US 4,720,220 AMaag Gear-Wheel & Machine Company Limited
Most cited
By later US patents