B23F 13/06
Making worms of globoidal shape
B23F13/06 (Making worms of globoidal shape) appears on 14 US grants and 5 published applications in this corpus.
Search patents in B23F- Granted patents
- 14
- Published applications
- 5
- Assignees
- 7
- Inventors
- 32
- Latest grant
- 30 Jan 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
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| 1991 | 2 | 0 |
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| 1997 | 2 | 0 |
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| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
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| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Precision positioning device and stage incorporating a globoid worm and its manufacture30 Jan 2018US 9,879,759 B1
- Globoid worm gear generating method15 Jul 1997US 5,647,703 ASumitomo Heavy Industries, Ltd.
- Mainrotor machining process and apparatus4 Feb 1997US 5,598,618 A
- Globoid worm gear generating method10 Oct 1995US 5,456,558 ASumitomo Heavy Industries, Ltd.
- Hourglass worm gear5 Jul 1994US 5,325,634 AMitsubishi Jukogyo Kabushiki Kaisha
- Apparatus and method for machining worm shaft of double enveloping worm gear11 Sep 2025US 2025/0281988 A1Khan Stn Co., Ltd.
- Apparatus for machining double enveloping worm shaft4 May 2023US 2023/0136148 A1Sung Jin Tech Co., Ltd.
- Grinder equipped with a curved motion mechanism12 Sep 2013US 2013/0237133 A1
- Method for Cutting Worm and Worm Wheel in a Worm-Gear Reduction Unit with Circulation of Bearing Balls, and Related Cutting Tools6 Nov 2008US 2008/0273935 A1
- Method of generation of face enveloping gears4 May 2006US 2006/0090340 A1
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