F16D 2041/0603
Sprag details
Official title: {Sprag details}
F16D2041/0603 (Sprag details) appears on 72 US grants and 65 published applications in this corpus.
Search patents in F16D- Granted patents
- 72
- Published applications
- 65
- Assignees
- 44
- Inventors
- 155
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 4 |
| 2017 | 4 | 10 |
| 2018 | 7 | 6 |
| 2019 | 6 | 13 |
| 2020 | 9 | 2 |
| 2021 | 7 | 1 |
| 2022 | 3 | 4 |
| 2023 | 5 | 4 |
| 2024 | 1 | 6 |
| 2025 | 8 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cam clutch21 Apr 2026US 12,607,237 B2Tsubakimoto Chain Co.
- Sprag clutch system for rotorcraft8 Jul 2025US 12,352,323 B1Textron Innovations Inc.
- Cam clutch unit3 Jun 2025US 12,320,395 B1Tsubakimoto Chain Co.
- Centrifugal force enabled clutch and aircraft22 Apr 2025US 12,281,679 B2Lockheed Martin Corporation
- Cam clutch unit18 Mar 2025US 12,253,119 B2Tsubakimoto Chain Co.
- Centrifugal Force Enabled Clutch and Aircraft8 Oct 2026US 2026/0309196 A1Lockheed Martin Corporation
- Cam clutch12 Feb 2026US 2026/0043441 A1Tsubakimoto Chain Co.
- Clutch25 Dec 2025US 2025/0389303 A1Christianson Systems, Inc.
- Cam clutch unit5 Jun 2025US 2025/0180079 A1Tsubakimoto Chain Co.
- Centrifugal force enabled clutch and aircraft23 Jan 2025US 2025/0027542 A1Lockheed Martin Corporation
Most cited
By later US patents
- Three-dimensional roller locking sprags21US 5,482,144 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1996
- Switchable freewheel with locking elements14US 5,343,992 AIna Walalager Schaeffler KG · 1994
- Clutch/brake having rectangular-area-contact 3D locking sprags14US 5,518,094 AHoneybee Robotics, LLC · 1996
- Free-wheel device having clamping cams12US 4,880,093 ASKF France · 1989
- One-way clutch containing rolling bearing11US 6,279,708 B1Nsk Ltd. · 2001