F16D 41/00
Freewheels or freewheel clutches
Official title: Freewheels or freewheel clutches (cycle brakes controlled by back-pedalling B62L5/00 {; one-way linear clutches F16B7/16})
F16D41/00 (Freewheels or freewheel clutches) appears on 3,284 US grants and 2,801 published applications in this corpus.
Search patents in F16D- Granted patents
- 3,284
- Published applications
- 2,801
- Assignees
- 1,036
- Inventors
- 4,189
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 25 | 0 |
| 1978 | 29 | 0 |
| 1979 | 15 | 0 |
| 1980 | 23 | 0 |
| 1981 | 24 | 0 |
| 1982 | 20 | 0 |
| 1983 | 10 | 0 |
| 1984 | 18 | 0 |
| 1985 | 18 | 0 |
| 1986 | 25 | 0 |
| 1987 | 31 | 0 |
| 1988 | 32 | 0 |
| 1989 | 52 | 0 |
| 1990 | 41 | 0 |
| 1991 | 54 | 0 |
| 1992 | 39 | 0 |
| 1993 | 34 | 0 |
| 1994 | 35 | 0 |
| 1995 | 31 | 0 |
| 1996 | 46 | 0 |
| 1997 | 61 | 0 |
| 1998 | 46 | 0 |
| 1999 | 61 | 0 |
| 2000 | 76 | 0 |
| 2001 | 51 | 22 |
| 2002 | 67 | 79 |
| 2003 | 74 | 78 |
| 2004 | 68 | 74 |
| 2005 | 50 | 61 |
| 2006 | 51 | 83 |
| 2007 | 41 | 89 |
| 2008 | 44 | 89 |
| 2009 | 43 | 82 |
| 2010 | 52 | 84 |
| 2011 | 59 | 73 |
| 2012 | 70 | 76 |
| 2013 | 79 | 95 |
| 2014 | 85 | 103 |
| 2015 | 125 | 175 |
| 2016 | 86 | 159 |
| 2017 | 142 | 201 |
| 2018 | 152 | 176 |
| 2019 | 165 | 187 |
| 2020 | 209 | 161 |
| 2021 | 139 | 133 |
| 2022 | 136 | 143 |
| 2023 | 121 | 114 |
| 2024 | 122 | 123 |
| 2025 | 117 | 80 |
| 2026 | 54 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16D 41/06Freewheels or freewheel clutches: with intermediate wedging coupling members between an inner1,824
- F16D 41/12Freewheels or freewheel clutches: with hinged pawl co-operating with teeth, cogs, or741
- F16D 41/24Freewheels or freewheel clutches: specially adapted for cycles341
- F16D 41/20Freewheels or freewheel clutches: with expandable or contractable clamping ring or band284
- F16D 41/18Freewheels or freewheel clutches: with non-hinged detent147
- F16D 41/04Combined with a clutch for locking the driving and driven members122
- F16D 41/22Freewheels or freewheel clutches: with clutching ring or disc axially shifted as84
- F16D 41/02Disengaged by contact of a part of or on the freewheel or51
Recent patents
- Cam clutch6 Oct 2026US 12,753,807 B2Tsubakimoto Chain Co.
- Clutch assembly for an aircraft propulsion system gear train29 Sep 2026US 12,747,776 B2Pratt & Whitney Canada Corp.
- Reverse-input blocking clutch15 Sep 2026US 12,736,089 B2Nsk Ltd.
- Transmission assemblies with overrunning clutch and associated systems and methods15 Sep 2026US 12,736,095 B1The Boeing Company
- Hub assembly for human powered vehicle1 Sep 2026US 12,722,421 B2Shimano Inc.
- One-way clutch8 Oct 2026US 2026/0309194 A1NSK-Warner K. K.
- Drive Device for a Drive Unit of an Electric Bike, Drive Unit and Electric Bike8 Oct 2026US 2026/0309195 A1Robert Bosch GmbH
- Centrifugal Force Enabled Clutch and Aircraft8 Oct 2026US 2026/0309196 A1Lockheed Martin Corporation
- Fan assembly24 Sep 2026US 2026/0286976 A1Milwaukee Electric Tool Corporation
- Freewheel device with sliding shoes and a cage guided on the sliding shoes24 Sep 2026US 2026/0287029 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- One-way clutch172US 6,125,978 ANSK-Warner K. K. · 2000
- Multiple axle drive vehicle with overrunning roller clutch hubs170US 5,036,939 APolaris Industries Inc. · 1991
- Automotive full locking differential166US 6,269,712 B12001
- Compliant overrunning clutch with centrifugal throw-out163US 6,148,979 ABrigham Young University · 2000
- Overrunning planar clutch assembly131US 5,918,715 AMeans Industries, Inc. · 1999