F16D 7/028
With conical friction surfaces
Official title: {with conical friction surfaces}
F16D7/028 (With conical friction surfaces) appears on 54 US grants and 54 published applications in this corpus.
Search patents in F16D- Granted patents
- 54
- Published applications
- 54
- Assignees
- 55
- Inventors
- 132
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 2 |
| 2004 | 4 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 3 | 4 |
| 2013 | 1 | 3 |
| 2014 | 2 | 6 |
| 2015 | 4 | 4 |
| 2016 | 3 | 0 |
| 2017 | 2 | 0 |
| 2018 | 2 | 4 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for mechanical overload protection and production process for same8 Sep 2026US 12,728,492 B2Hilti Aktiengesellschaft
- Complex clutch apparatus12 Aug 2025US 12,385,529 B1
- Clutch mechanism for gripping tools24 Dec 2024US 12,173,761 B1Noetic Technologies Inc.
- Coupling device19 Nov 2024US 12,146,541 B2Nihon Plast Co., Ltd.
- Multi-plate clutch3 Oct 2023US 11,773,917 B2Hoerbiger Antriebstechnik Holding GmbH
- Device for mechanical overload protection and production process for same26 Mar 2026US 2026/0084255 A1Hilti Aktiengesellschaft
- Complex clutch apparatus14 Aug 2025US 2025/0257767 A1
- Overload protection device7 Aug 2025US 2025/0251023 A1Tsubakimoto Chain Co.
- Clutch mechanism for gripping tools19 Dec 2024US 2024/0418227 A1Noetic Technologies Inc.
- Torque-limiting slip-clutch system with modular disks17 Oct 2024US 2024/0341897 A1ECA Medical Instruments
Most cited
By later US patents
- Power steering apparatus19US 5,482,128 AKoyo Seiko Co., Ltd. · 1996
- Clutch device12US 6,464,061 B1Koyo Seiko Co., Ltd. · 2002
- Tap holder11US 4,028,763 A1977
- Joint device for robot device and leg- walking robot device9US 6,481,512 B1Sony Corporation · 2002
- Magnetic coupling assembly for conveyor rollers9US 6,615,975 B2GEBO Convoyeurs Consultants & Systems Inc. · 2003