F16H 25/04
Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms: for conveying rotary
Official title: for conveying rotary motion
F16H25/04 (Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms: for conveying rotary) appears on 211 US grants and 163 published applications in this corpus.
Search patents in F16H- Granted patents
- 211
- Published applications
- 163
- Assignees
- 99
- Inventors
- 296
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 0 |
| 2003 | 0 | 3 |
| 2004 | 3 | 6 |
| 2005 | 1 | 6 |
| 2006 | 1 | 4 |
| 2007 | 5 | 1 |
| 2008 | 3 | 6 |
| 2009 | 2 | 3 |
| 2010 | 3 | 6 |
| 2011 | 0 | 3 |
| 2012 | 4 | 4 |
| 2013 | 3 | 5 |
| 2014 | 6 | 5 |
| 2015 | 9 | 4 |
| 2016 | 3 | 2 |
| 2017 | 0 | 6 |
| 2018 | 3 | 14 |
| 2019 | 9 | 14 |
| 2020 | 12 | 8 |
| 2021 | 12 | 12 |
| 2022 | 8 | 15 |
| 2023 | 18 | 11 |
| 2024 | 13 | 12 |
| 2025 | 7 | 9 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gearbox9 Jun 2026US 12,650,157 B2Wittenstein AG
- Logarithmic hollow shaft speed reducer14 Apr 2026US 12,601,391 B2
- Adjustable stroke device with cam17 Feb 2026US 12,553,465 B2Lake Country Tool, LLC
- Transmission for a wind turbine10 Feb 2026US 12,546,289 B2Vestas Wind Systems A/S
- Conjugate cam reducer16 Dec 2025US 12,498,020 B2National Sun Yat-Sen University
- Synchronic drive16 Jul 2026US 2026/0201941 A1Argent Automation Inc.
- Actuator assembly with load-distribution features and related technology25 Jun 2026US 2026/0175408 A1
- Adjustable Stroke Device With Cam14 May 2026US 2026/0132812 A1Lake Country Tool, LLC
- Non-backdrivable self-locking gear system including one or more helical gears30 Apr 2026US 2026/0117844 A1Kinatech, LLC
- Torque transmission mechanism30 Oct 2025US 2025/0334170 A1Seiko Epson Corporation
Most cited
By later US patents
- In-line transmission with counter-rotating outputs223US 6,186,922 B1Synkinetics, Inc. · 2001
- Integral balls and cams type motorized speed converter with bearings arrangement122US 5,562,564 ASynkinetics, Inc. · 1996
- Transmission apparatus48US 4,713,985 AKabushiki Kaisya Advance Kaihatsu Kenkyujo · 1987
- Motion transmitting devices44US 4,023,440 APrecision Mechanical Developments Ltd. · 1977
- Epicyclic transmission having cam driven roller retainer37US 4,604,916 AAdvanced Energy Concepts '81 Ltd. · 1986