F16D 13/66
Of conical shape
Official title: of conical shape
F16D13/66 (Of conical shape) appears on 22 US grants and 24 published applications in this corpus.
Search patents in F16D- Granted patents
- 22
- Published applications
- 24
- Assignees
- 12
- Inventors
- 35
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 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 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 1 |
| 2018 | 3 | 7 |
| 2019 | 6 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 5 | 5 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Complex clutch apparatus12 Aug 2025US 12,385,529 B1
- Cone clutch system18 Jun 2024US 12,012,997 B2ROLLS-ROYCE plc
- Cone clutch system including independent friction member4 Jun 2024US 12,000,437 B1ROLLS-ROYCE plc
- Cone clutch system10 Oct 2023US 11,781,603 B2ROLLS-ROYCE plc
- Cone friction clutch having an actuator and a lever for disengaging the clutch29 Aug 2023US 11,739,799 B2Kendrion (Villingen) GmbH
- Complex clutch apparatus14 Aug 2025US 2025/0257767 A1
- Friction part23 Nov 2023US 2023/0375057 A1Schaeffler Technologies AG & Co. KG
- Cone clutch system including independent friction member29 Jun 2023US 2023/0204080 A1ROLLS-ROYCE plc
- Cone clutch system9 Mar 2023US 2023/0073023 A1ROLLS-ROYCE plc
- Cone clutch system9 Mar 2023US 2023/0073715 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Synchronizer ring for synchronous meshing type speed change gear26US 5,038,628 ANSK-Warner K. K. · 1991
- Shaping apparatus for a synchronizer ring21US 5,076,882 ANSK-Warner K. K. · 1991
- Wedge clutch with tapered profile and cage4US 10,036,429 B2Schaeffler Technologies AG & Co. KG · 2018
- Torque limiting wedge clutch1US 10,012,268 B1Schaeffler Technologies AG & Co. KG · 2018
- Cone clutch system1US 11,703,091 B2ROLLS-ROYCE plc · 2023