F16D 2500/00
External control of clutches by electric or electronic means
F16D2500/00 (External control of clutches by electric or electronic means) appears on 2,981 US grants and 2,611 published applications in this corpus.
Search patents in F16D- Granted patents
- 2,981
- Published applications
- 2,611
- Assignees
- 651
- Inventors
- 4,901
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 14 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 12 | 0 |
| 1984 | 20 | 0 |
| 1985 | 31 | 0 |
| 1986 | 35 | 0 |
| 1987 | 48 | 0 |
| 1988 | 25 | 0 |
| 1989 | 29 | 0 |
| 1990 | 23 | 0 |
| 1991 | 46 | 0 |
| 1992 | 24 | 0 |
| 1993 | 11 | 0 |
| 1994 | 26 | 0 |
| 1995 | 22 | 0 |
| 1996 | 15 | 0 |
| 1997 | 23 | 0 |
| 1998 | 29 | 0 |
| 1999 | 28 | 0 |
| 2000 | 47 | 0 |
| 2001 | 42 | 18 |
| 2002 | 53 | 56 |
| 2003 | 58 | 52 |
| 2004 | 54 | 82 |
| 2005 | 48 | 92 |
| 2006 | 69 | 94 |
| 2007 | 81 | 72 |
| 2008 | 58 | 96 |
| 2009 | 40 | 141 |
| 2010 | 61 | 117 |
| 2011 | 80 | 86 |
| 2012 | 121 | 104 |
| 2013 | 125 | 102 |
| 2014 | 126 | 139 |
| 2015 | 144 | 132 |
| 2016 | 118 | 160 |
| 2017 | 143 | 195 |
| 2018 | 166 | 175 |
| 2019 | 161 | 138 |
| 2020 | 160 | 141 |
| 2021 | 152 | 118 |
| 2022 | 111 | 87 |
| 2023 | 90 | 80 |
| 2024 | 91 | 58 |
| 2025 | 54 | 33 |
| 2026 | 28 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual oil pump with centrifugal shifter6 Oct 2026US 12,753,804 B1Schaeffler Technologies AG & Co. KG
- Actuator assembly for use with a clutch22 Sep 2026US 12,742,481 B2Means Industries, Inc.
- Rear wheel drive clutch control system of work vehicle15 Sep 2026US 12,734,879 B2Deere & Company
- Resettable mechanical disconnect15 Sep 2026US 12,736,094 B2Honeywell Aerospace US LLC
- Position detection unit, clutch actuator with a position detection unit, and vehicle clutch with a position detection unit1 Sep 2026US 12,723,629 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Vehicle driving apparatus and vehicle8 Oct 2026US 2026/0309220 A1Qi Automotive Co., Ltd.
- Inline drive assembly for four-wheel drive vehicle24 Sep 2026US 2026/0285148 A1The Hilliard Corporation
- Shift system and method for power transmission assembly24 Sep 2026US 2026/0287032 A1Means Industries, Inc.
- Multi-speed power tool with electronic clutch17 Sep 2026US 2026/0273715 A1Milwaukee Electric Tool Corporation
- Control apparatus for vehicle17 Sep 2026US 2026/0276044 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Hydraulic circuit for automatic transmission1,004US 9,488,197 B2Hyundai Motor Company · 2016
- Dynamic clutch control885US 6,799,669 B2Siemens VDO Automotive Corporation · 2004
- Hybrid drive apparatus for vehicle148US 6,018,198 AAisin Aw Co., Ltd. · 2000
- Belt type continuous reduction gear mechanism147US 4,560,369 AHonda Giken Kogyo Kabushiki Kaisha · 1985
- Controlled power clutch139US 4,081,065 A1978