B23F 17/00
Special methods or machines for making gear teeth, not covered by the
Official title: Special methods or machines for making gear teeth, not covered by the preceding groups
B23F17/00 (Special methods or machines for making gear teeth, not covered by the) appears on 186 US grants and 180 published applications in this corpus.
Search patents in B23F- Granted patents
- 186
- Published applications
- 180
- Assignees
- 104
- Inventors
- 371
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 3 |
| 2006 | 3 | 5 |
| 2007 | 2 | 6 |
| 2008 | 3 | 7 |
| 2009 | 5 | 11 |
| 2010 | 5 | 8 |
| 2011 | 4 | 7 |
| 2012 | 6 | 14 |
| 2013 | 9 | 11 |
| 2014 | 3 | 12 |
| 2015 | 15 | 11 |
| 2016 | 14 | 7 |
| 2017 | 5 | 4 |
| 2018 | 8 | 13 |
| 2019 | 4 | 14 |
| 2020 | 10 | 16 |
| 2021 | 7 | 4 |
| 2022 | 10 | 6 |
| 2023 | 5 | 3 |
| 2024 | 3 | 5 |
| 2025 | 2 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23F 17/006Special methods or machines for making gear teeth, not covered by the71
- B23F 17/001Special methods or machines for making gear teeth, not covered by the36
- B23F 17/003Special methods or machines for making gear teeth, not covered by the23
- B23F 17/005Special methods or machines for making gear teeth, not covered by the16
Recent patents
- 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
- Method for gear shaping a toothing, control program, and gear shaping machine for carrying out the method23 Jun 2026US 12,661,729 B2Gleason-Pfauter Maschinenfabrik GmbH
- Method for replacing at least one tooth of a gear22 Jul 2025US 12,365,057 B2Inventus Holdings, LLC
- Method for manufacturing sintered gear18 Feb 2025US 12,226,860 B2Sumitomo Electric Industries, Ltd.
- Method for toothing machining with subsequent chamfering18 Jun 2026US 2026/0166637 A1Gleason-Pfauter Maschinenfabrik GmbH
- Manufacturing gears with tip and/or root relief7 May 2026US 2026/0124690 A1The Gleason Works
- Method for calibrating a gear-cutting machine12 Feb 2026US 2026/0042161 A1Liebherr-Verzahntechnik GmbH
- Method for replacing at least one tooth of a gear30 Oct 2025US 2025/0332668 A1Inventus Holdings, LLC
- Device for chamfer machining19 Jun 2025US 2025/0196242 A1Liebherr-Verzahntechnik GmbH
Most cited
By later US patents
- Compact machining center for multifunction46US 5,885,199 A1999
- Method of generating involute tooth forms with a milling cutter33US 4,565,474 AThe Ingersoll Milling Machine Company · 1986
- Machine tool chip removal system31US 5,586,848 AThe Gleason Works · 1996
- Numeric-control machine tool for turning and hobbing mechanical parts30US 6,079,090 ANuova Trasmissione S.r.l. · 2000
- Method of grinding the teeth of bevel gears having longitudinally curved teeth25US 4,799,337 AWerkzeugmaschinenfabrik Oerlikon-Buhrle AG · 1989