B23F 23/1237
Tool holders
Official title: {Tool holders}
B23F23/1237 (Tool holders) appears on 121 US grants and 53 published applications in this corpus.
Search patents in B23F- Granted patents
- 121
- Published applications
- 53
- Assignees
- 72
- Inventors
- 221
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 4 |
| 2016 | 4 | 4 |
| 2017 | 6 | 2 |
| 2018 | 2 | 9 |
| 2019 | 5 | 4 |
| 2020 | 6 | 3 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 6 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23F 23/1281Honing, shaving or lapping tool holders30
- B23F 23/1243Hob holders27
- B23F 23/1287Pinion shaper cutter holders17
- B23F 23/1262Grinding disc holders11
- B23F 23/125Face mill holders7
- B23F 23/1275Grinding or honing worm holders4
- B23F 23/1268Face-mill-type grinding wheel holders2
- B23F 23/1256Rack cutter holders1
Recent patents
- Method for shaping a periodic structure, in particular a toothing, and lifting cam29 Sep 2026US 12,746,612 B2Gleason-Pfauter Maschinenfabrik GmbH
- Hob cutter arrangement14 Jul 2026US 12,678,874 B2Diametal A.G.
- Worm gear machine19 Nov 2024US 12,145,208 B2Chongqing University
- Gearing method with tooth finishing and combination tool therefor2 Jan 2024US 11,858,054 B2Profilator GmbH & Co. KG
- Gear manufacturing machine5 Apr 2022US 11,292,068 B2Liebherr-Verzahntechnik GmbH
- Machine tool, control method, and control program1 Oct 2026US 2026/0295697 A1Dmg Mori Co., Ltd.
- Method for clamping a tool on a tool spindle in a hard finishing machine and hard finishing machine20 Nov 2025US 2025/0353139 A1Kapp Niles GmbH & Co. KG
- Device for gear cutting, tool head and gear cutting machine21 Nov 2024US 2024/0383086 A1Reishauer AG
- Gear-cutting machine, more particularly skiving machine, having a tool changing system24 Oct 2024US 2024/0351122 A1Profilator GmbH & Co. KG
- Method for shaping a periodic structure, in particular a toothing, and lifting cam18 Apr 2024US 2024/0123528 A1Gleason-Pfauter Maschinenfabrik GmbH
Most cited
By later US patents
- Gear cutter31US 4,663,721 APower Engineering and Manufacturing, Ltd. · 1987
- Method for machining gearwheels30US 4,850,155 ALiebherr-Verzahntechnik GmbH · 1989
- Mechanism for the drive of a tool spindle28US 5,061,128 AMaschinenfabrik Lorenz AG · 1991
- Gear cutter24US 4,329,096 APower Engineering and Manufacturing, Ltd. · 1982
- Method of and apparatus for machining spur and helical gears24US 5,175,962 AThe Gleason Works · 1993