B23F 15/00
Methods or machines for making gear wheels of special kinds not covered
Official title: Methods or machines for making gear wheels of special kinds not covered by groups B23F7/00 - B23F13/00
B23F15/00 (Methods or machines for making gear wheels of special kinds not covered) appears on 135 US grants and 90 published applications in this corpus.
Search patents in B23F- Granted patents
- 135
- Published applications
- 90
- Assignees
- 95
- Inventors
- 236
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 4 |
| 2005 | 3 | 2 |
| 2006 | 5 | 3 |
| 2007 | 1 | 5 |
| 2008 | 3 | 4 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 4 | 5 |
| 2013 | 1 | 7 |
| 2014 | 2 | 3 |
| 2015 | 6 | 6 |
| 2016 | 6 | 3 |
| 2017 | 4 | 2 |
| 2018 | 2 | 11 |
| 2019 | 3 | 2 |
| 2020 | 5 | 9 |
| 2021 | 7 | 4 |
| 2022 | 5 | 6 |
| 2023 | 1 | 1 |
| 2024 | 5 | 0 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for producing a spur toothing30 Sep 2025US 12,427,565 B2Schaeffler Technologies AG & Co. KG
- Method for manufacturing of a rotor15 Jul 2025US 12,358,064 B2Atlas Copco Airpower N.V.
- Power transmission shaft and method for manufacturing the same1 Oct 2024US 12,104,652 B2Hitachi Astemo, Ltd.
- Gear wheel having an improved profile4 Jun 2024US 12,000,286 B2Settima Meccanica S.r.l.
- Method of positioning a workpiece on a machine tool21 May 2024US 11,986,918 B2The Gleason Works
- Flanged sprockets and methods of making27 Aug 2026US 2026/0251209 A1The Gates Corporation
- Manufacturing gears with tip and/or root relief7 May 2026US 2026/0124690 A1The Gleason Works
- Method for manufacturing gearings with a defined angular position29 May 2025US 2025/0170663 A1Klingelnberg GmbH
- Device and method for producing a spur toothing17 Apr 2025US 2025/0121427 A1Schaeffler Technologies AG & Co. KG
- Method for working a workpiece with two toothings, positioning device for determining a reference rotational angle position of the workpiece and power tool with such a positioning device16 Feb 2023US 2023/0046784 A1Reishauer AG
Most cited
By later US patents
- Method of manufacturing a rotary scroll machine with radial clearance control25US 4,726,100 ACarrier Corporation · 1988
- Face gear manufacturing method and apparatus22US 6,390,894 B1Derlan Aerospace Canada · 2002
- Method and apparatus for grinding the tooth flanks of internally-toothed gear wheels19US 4,058,938 AFurstlich Hohenzollernsche Huttenverwaltung Laucherthal · 1977
- Cam-type gearing and the like18US 4,052,928 ACompudrive Corporation · 1977
- Apparatus and method for precision grinding of face gears17US 5,823,857 AMcDonnell Douglas Helicopter Company · 1998