B21H 5/04
Bevel gears
Official title: bevel gears
B21H5/04 (Bevel gears) appears on 9 US grants and 3 published applications in this corpus.
Search patents in B21H- Granted patents
- 9
- Published applications
- 3
- Assignees
- 7
- Inventors
- 11
- Latest grant
- 10 Apr 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of machining a workpiece, and gear-cutting machine operable to perform the method10 Apr 2018US 9,937,574 B2Gleason-Pfauter Maschinenfabrik GmbH
- Method of operating a gearwheel machining tool1 Nov 2011US 8,046,887 B2
- Gear roll-forming apparatus3 Feb 2009US 7,484,394 B2Toyoseiki Kabushiki Kaisha
- Process for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation20 Jun 2000US 6,076,387 AWDB Ringwalztechnik GmbH
- Method and apparatus for hot rolling of bevel gears9 Jun 1987US 4,671,092 ANauchno-Issledovatelsky Institut Tekhnologii Avtomobilnoi Promyshlennosti
- Method of machining a workpiece, and gear-cutting machine operable to perform the method18 Jun 2015US 2015/0165533 A1Gleason-Pfauter Maschinenfabrik GmbH
- Method of Operating a Gearwheel Machining Tool5 Feb 2009US 2009/0035086 A1
- Gear roll-forming apparatus29 Mar 2007US 2007/0068211 A1Toyoseiki Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for hot rolling of bevel gears4US 4,671,092 ANauchno-Issledovatelsky Institut Tekhnologii Avtomobilnoi Promyshlennosti · 1987
- Process for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation4US 6,076,387 AWDB Ringwalztechnik GmbH · 2000
- Gear rolling equipment3US 4,058,999 ALear Siegler, Inc. · 1977
- Apparatus for finish rolling bevel pinions and gears2US 3,985,012 AThe Gleason Works · 1976
- Gear rolling equipment1US 4,045,987 ALear Siegler, Inc. · 1977