B23F 21/22
Face-mills for longitudinally-curved gear teeth
B23F21/22 (Face-mills for longitudinally-curved gear teeth) appears on 69 US grants and 41 published applications in this corpus.
Search patents in B23F- Granted patents
- 69
- Published applications
- 41
- Assignees
- 26
- Inventors
- 105
- Latest grant
- 16 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 5 | 3 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 3 |
| 2012 | 3 | 3 |
| 2013 | 2 | 2 |
| 2014 | 6 | 3 |
| 2015 | 0 | 5 |
| 2016 | 3 | 1 |
| 2017 | 2 | 1 |
| 2018 | 4 | 4 |
| 2019 | 2 | 2 |
| 2020 | 3 | 2 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Bevel gear cutter and blade consolidation16 Nov 2021US 11,173,559 B2The Gleason Works
- Cutter with positive seated round blade sticks for bevel gear cutting16 Nov 2021US 11,173,560 B2The Gleason Works
- Mono-blade bevel gear cutting tool27 Oct 2020US 10,814,415 B2The Gleason Works
- Three-face blade compatibility4 Aug 2020US 10,730,123 B2The Gleason Works
- Method for machining the tooth flanks of bevel gear workpieces7 Jul 2020US 10,702,936 B2Klingelnberg GmbH
- Bevel gear cutter and blade consolidation25 Jun 2020US 2020/0198036 A1The Gleason Works
- Method and apparatus for monitoring a bar blade chucking and/or a blade slot of a bar blade cutter head for bevel gear production16 Apr 2020US 2020/0114442 A1
- Cutter with positive seated round blade sticks for bevel gear cutting22 Aug 2019US 2019/0255636 A1The Gleason Works
- Mono-blade bevel gear cutting tool24 Jan 2019US 2019/0022779 A1The Gleason Works
- Method for machining the tooth flanks of bevel gear workpieces20 Sep 2018US 2018/0264568 A1Klingelnberg GmbH
Most cited
By later US patents
- Rotary ring cutter having coolant distribution and discharge means51US 5,290,135 AThe Gleason Works · 1994
- Cutter blade with integral coolant passages36US 6,634,835 B1Torque-Traction Technologies, Inc. · 2003
- Cutting tool and method of manufacture24US 4,575,285 AThe Gleason Works · 1986
- Cutting tool for toothed articles23US 5,890,846 AThe Gleason Works · 1999
- Gear hobbing cutter system19US 6,609,858 B1Kennametal Inc. · 2003