F16H 33/02
Rotary transmissions with mechanical accumulators
Official title: Rotary transmissions with mechanical accumulators, e.g. weights, springs, intermittently-connected flywheels
F16H33/02 (Rotary transmissions with mechanical accumulators) appears on 162 US grants and 121 published applications in this corpus.
Search patents in F16H- Granted patents
- 162
- Published applications
- 121
- Assignees
- 86
- Inventors
- 250
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 4 | 2 |
| 2004 | 2 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 1 | 1 |
| 2010 | 2 | 6 |
| 2011 | 2 | 6 |
| 2012 | 4 | 6 |
| 2013 | 2 | 2 |
| 2014 | 6 | 4 |
| 2015 | 4 | 5 |
| 2016 | 2 | 4 |
| 2017 | 5 | 9 |
| 2018 | 6 | 9 |
| 2019 | 14 | 13 |
| 2020 | 8 | 14 |
| 2021 | 14 | 4 |
| 2022 | 7 | 5 |
| 2023 | 3 | 2 |
| 2024 | 2 | 7 |
| 2025 | 9 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inertia flywheel assembly and system thereof8 Sep 2026US 12,729,754 B2Infiniforce, Inc.
- Working vehicle27 Jan 2026US 12,533,941 B2Kubota Corporation
- Device for increasing the efficiency of any rotary power generating system with progressive variation23 Dec 2025US 12,504,058 B2
- Drive train assembly for driving a working unit with a fluctuating load18 Nov 2025US 12,471,536 B2Liebherr-Components Biberach GmbH
- Multi-directional radial clutch to store potential energy4 Nov 2025US 12,460,705 B1
- Apparatus generating torque and operating method thereof1 Oct 2026US 2026/0298320 A1Industry-Academic Cooperation Foundation, Chosun University
- A linear self-adjustable compression pump comprising a gyroscopic torque converter with centrifugal freely sliding precession arm4 Dec 2025US 2025/0369505 A1
- Energy recovery system and method for vehicles2 Oct 2025US 2025/0304018 A1
- Working vehicle10 Apr 2025US 2025/0115113 A1Kubota Corporation
- Working vehicle10 Apr 2025US 2025/0115114 A1Kubota Corporation
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
- Steady power93US 4,567,781 A1986
- Propulsion system for a small vehicle56US 4,888,949 A1989
- Variable-inertia flywheels and transmission34US 4,928,553 A1990
- Device for enhancing rotational movement25US 5,894,757 A1999