B23F 23/1275
Grinding or honing worm holders
Official title: {Grinding or honing worm holders}
B23F23/1275 (Grinding or honing worm holders) appears on 4 US grants and 1 published applications in this corpus.
Search patents in B23F- Granted patents
- 4
- Published applications
- 1
- Assignees
- 5
- Inventors
- 6
- Latest grant
- 5 Jan 1993
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of and apparatus for machining spur and helical gears5 Jan 1993US 5,175,962 AThe Gleason Works
- Grinding machine for continuous roll grinding of gears9 Jun 1992US 5,119,594 AZahnradfabrik Friedrichshafen AG
- Method for machining gearwheels25 Jul 1989US 4,850,155 ALiebherr-Verzahntechnik GmbH
- Apparatus for the manufacture or working of gears29 Jul 1986US 4,602,458 ACarl Hurth Maschinen- und Zahnradfabrik GmbH & Co.
Most cited
By later US patents
- Method for machining gearwheels30US 4,850,155 ALiebherr-Verzahntechnik GmbH · 1989
- Method of and apparatus for machining spur and helical gears24US 5,175,962 AThe Gleason Works · 1993
- Apparatus for the manufacture or working of gears3US 4,602,458 ACarl Hurth Maschinen- und Zahnradfabrik GmbH & Co. · 1986
- Grinding machine for continuous roll grinding of gears3US 5,119,594 AZahnradfabrik Friedrichshafen AG · 1992