B23F 13/00
Making worms by methods essentially requiring the use of machines of the
Official title: Making worms by methods essentially requiring the use of machines of the gear-cutting type (making screw-thread B23G)
B23F13/00 (Making worms by methods essentially requiring the use of machines of the) appears on 32 US grants and 26 published applications in this corpus.
Search patents in B23F- Granted patents
- 32
- Published applications
- 26
- Assignees
- 24
- Inventors
- 65
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 3 |
| 2023 | 0 | 2 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Worm gear machine19 Nov 2024US 12,145,208 B2Chongqing University
- Method for identifying critical error of worm gear machine and method for iteratively compensating critical error of worm gear machine20 Aug 2024US 12,066,809 B2Chongqing University
- Method for manufacturing gear4 Jun 2024US 11,998,973 B2Aisin Corporation
- Method for producing a workpiece provided with a toothing or profiling9 Aug 2022US 11,407,048 B2Kapp Niles GmbH & Co. KG
- Method for the gear manufacturing machining of a workpiece4 May 2021US 10,994,352 B2Liebherr-Verzahntechnik GmbH
- Manufacturing method of gear12 Feb 2026US 2026/0042140 A1Aisin Corporation
- Apparatus and method for machining worm shaft of double enveloping worm gear11 Sep 2025US 2025/0281988 A1Khan Stn Co., Ltd.
- Method for manufacturing gear21 Sep 2023US 2023/0294160 A1Aisin Corporation
- Apparatus for machining double enveloping worm shaft4 May 2023US 2023/0136148 A1Sung Jin Tech Co., Ltd.
- Method for producing a rotor of a screw compressor or a workpiece with a helical profile20 Oct 2022US 2022/0331891 A1Kapp Niles GmbH & Co. KG
Most cited
By later US patents
- Globoid worm gearing and method of making globoid worm thereof30US 4,047,449 A1977
- Globoid worm gear speed reduction apparatus20US 5,018,403 ANippon Gear Co., Ltd. · 1991
- Method of modified gear cutting of a globoid worm gear16US 4,998,385 ANippon Gear Co., Ltd. · 1991
- Worm wheel and method of hobbing same9US 4,926,712 ADK-Gleason, Inc. · 1990
- Hourglass worm gear9US 5,325,634 AMitsubishi Jukogyo Kabushiki Kaisha · 1994