F16H 29/20
The intermittently-acting members being shaped as worms, screws, or racks
Official title: the intermittently-acting members being shaped as worms, screws, or racks
F16H29/20 (The intermittently-acting members being shaped as worms, screws, or racks) appears on 28 US grants and 18 published applications in this corpus.
Search patents in F16H- Granted patents
- 28
- Published applications
- 18
- Assignees
- 15
- Inventors
- 31
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Manual screw shaft driving device30 Dec 2025US 12,510,139 B2Lin Gwo Tsair Enterprise Co., Ltd.
- Gearwheel transmission comprising wobble member22 Apr 2025US 12,281,694 B2Sed-Ef GmbH
- Continuously-variable transmission with oscillating racks3 Oct 2023US 11,773,951 B1Aptiv Technologies AG
- Infinitely variable transmission with uniform input-to-output ratio that is non-dependant on friction24 May 2022US 11,339,859 B2
- Continuously variable transmission with uniform input-to-output ratio that is non-dependent on friction24 Aug 2021US 11,098,791 B2
- Manual screw shaft driving device5 Jun 2025US 2025/0180100 A1Lin Gwo Tsair Enterprise Co., Ltd.
- Gearwheel transmission comprising wobble member6 Feb 2025US 2025/0043854 A1Sed-Ef GmbH
- Transmission mechanism, sheet-type medium processing device, and cash recycler machine20 Apr 2023US 2023/0123220 A1Shandong New Beiyang Information Technology Co., Ltd.
- Infinitely Variable Transmission with Uniform Input-To-Output Ratio that is non-Dependant on friction17 Oct 2019US 2019/0316662 A1
- Continuously variable transmission with uniform input-to-output ratio that is non- dependent on friction3 Jan 2019US 2019/0003564 A1
Most cited
By later US patents
- Hardgeared infinitely variable transmission22US 5,440,945 A1995
- Power transmission apparatus12US 4,800,768 A4N Developments Ltd. · 1989
- Transmission mechanism11US 5,685,794 AAimbridge Pty Ltd. · 1997
- Power transmission unit with infinite speeds10US 4,411,165 A1983
- Mechanical transmission continuously variable from forward to reverse10US 5,603,240 A1997