B23F 23/12
Accessories or equipment combined with or arranged in, or specially designed to
Official title: Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
B23F23/12 (Accessories or equipment combined with or arranged in, or specially designed to) appears on 441 US grants and 318 published applications in this corpus.
Search patents in B23F- Granted patents
- 441
- Published applications
- 318
- Assignees
- 169
- Inventors
- 695
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 12 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 15 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 1 |
| 2002 | 7 | 3 |
| 2003 | 4 | 4 |
| 2004 | 1 | 4 |
| 2005 | 4 | 6 |
| 2006 | 5 | 7 |
| 2007 | 5 | 6 |
| 2008 | 4 | 5 |
| 2009 | 1 | 5 |
| 2010 | 4 | 9 |
| 2011 | 2 | 8 |
| 2012 | 4 | 18 |
| 2013 | 10 | 13 |
| 2014 | 7 | 12 |
| 2015 | 14 | 22 |
| 2016 | 20 | 20 |
| 2017 | 18 | 18 |
| 2018 | 13 | 28 |
| 2019 | 25 | 22 |
| 2020 | 16 | 19 |
| 2021 | 6 | 11 |
| 2022 | 15 | 15 |
| 2023 | 10 | 15 |
| 2024 | 11 | 19 |
| 2025 | 6 | 16 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for grinding a workpiece with a toothing or a profile6 Oct 2026US 12,752,356 B2Kapp Niles GmbH & Co. KG
- Method for shaping a periodic structure, in particular a toothing, and lifting cam29 Sep 2026US 12,746,612 B2Gleason-Pfauter Maschinenfabrik GmbH
- Method for hard fine machining of two toothings on a workpiece, and gear cutting machine, control program, hard fine machining combination tools and sensor assembly therefor22 Sep 2026US 12,741,330 B2Gleason-Pfauter Maschinenfabrik GmbH
- Hob cutter arrangement14 Jul 2026US 12,678,874 B2Diametal A.G.
- Method for dressing a multi-flight worm grinding wheel for grinding teeth or similar profiles16 Jun 2026US 12,654,245 B2Kapp Niles GmbH & Co. KG
- Machine tool, control method, and control program1 Oct 2026US 2026/0295697 A1Dmg Mori Co., Ltd.
- Method for dressing a multi-thread grinding worm with a multi-groove dressing roll and method for grinding a gear using a multi-thread grinding worm1 Oct 2026US 2026/0295698 A1Kapp Niles GmbH & Co. KG
- Method for grinding a gear or a gear-shaped profile using a grinding worm and dressing tool1 Oct 2026US 2026/0295699 A1Kapp Niles GmbH & Co. KG
- Method for the continuous generating grinding of gears, and profiling method24 Sep 2026US 2026/0284762 A1Gleason Switzerland AG
- Method for polish grinding of gears with a polish grinding tool in a gear grinding machine27 Aug 2026US 2026/0249372 A1Kapp Niles GmbH & Co. KG
Most cited
By later US patents
- Rotary ring cutter having coolant distribution and discharge means51US 5,290,135 AThe Gleason Works · 1994
- Threaded grinding wheel and method of dressing41US 6,217,409 B1The Gleason Works · 2001
- Gear cutter31US 4,663,721 APower Engineering and Manufacturing, Ltd. · 1987
- Process for machining a worm-type workpiece with a worm-type tool30US 4,475,319 A1984
- Method for machining gearwheels30US 4,850,155 ALiebherr-Verzahntechnik GmbH · 1989