F16H 33/18
Of which the motion is constrained
Official title: of which the motion is constrained
F16H33/18 (Of which the motion is constrained) appears on 13 US grants and 4 published applications in this corpus.
Search patents in F16H- Granted patents
- 13
- Published applications
- 4
- Assignees
- 5
- Inventors
- 18
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device for increasing the efficiency of any rotary power generating system with progressive variation23 Dec 2025US 12,504,058 B2
- Planetary gear type throwing wheel device10 Jun 2025US 12,326,182 B1
- Rotation device and power supply system31 Oct 2017US 9,803,733 B2Simple Tokyo Co., Ltd.
- Mechanically controlled continuously variable automatic transmission26 Jul 2011US 7,985,156 B2Beijing Wujitong Automotive Systems Technology Co., Ltd.
- Automatic continuously variable positive mechanical transmission with adjustable centrifugal eccentric weights and method for actuating same19 Oct 1999US 5,967,933 A
- Device for increasing the efficiency of any rotary power generating system with progressive variation16 Jan 2025US 2025/0020189 A1
- Gear system for achieving infinitely variable transmission and method employed thereof21 Feb 2019US 2019/0056017 A1
- Rotation Device and Power Supply System15 Sep 2016US 2016/0265638 A1Simple Tokyo Co., Ltd.
- Mechanically Controlled Continuously Variable Automatic Transmission20 Nov 2008US 2008/0287241 A1Beijing Wujitong Automotive Systems Tecnology Co.,Ltd.
Most cited
By later US patents
- Automatic continuously variable positive mechanical transmission with adjustable centrifugal eccentric weights and method for actuating same210US 5,967,933 A1999
- Mechanical torque converter18US 4,907,474 AInductran Corporation · 1990
- Torque converter10US 3,960,036 ADiscojet Corporation · 1976
- Inertial power transmission6US 5,833,567 A1998
- Torque converter and assembly utilizing same5US 4,889,013 A1989