F16D 7/021
With radially applied torque-limiting friction surfaces
Official title: {with radially applied torque-limiting friction surfaces (F16D7/022 takes precedence)}
F16D7/021 (With radially applied torque-limiting friction surfaces) appears on 159 US grants and 166 published applications in this corpus.
Search patents in F16D- Granted patents
- 159
- Published applications
- 166
- Assignees
- 121
- Inventors
- 357
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 2 |
| 2003 | 1 | 1 |
| 2004 | 3 | 5 |
| 2005 | 1 | 3 |
| 2006 | 4 | 5 |
| 2007 | 2 | 3 |
| 2008 | 2 | 7 |
| 2009 | 2 | 6 |
| 2010 | 4 | 8 |
| 2011 | 4 | 6 |
| 2012 | 10 | 1 |
| 2013 | 6 | 8 |
| 2014 | 5 | 8 |
| 2015 | 7 | 8 |
| 2016 | 2 | 7 |
| 2017 | 2 | 7 |
| 2018 | 7 | 9 |
| 2019 | 6 | 10 |
| 2020 | 7 | 9 |
| 2021 | 5 | 9 |
| 2022 | 9 | 7 |
| 2023 | 10 | 12 |
| 2024 | 9 | 11 |
| 2025 | 10 | 6 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mating powder metal gear to shaft29 Sep 2026US 12,747,781 B1Schaeffler Technologies AG & Co. KG
- Device for mechanical overload protection and production process for same8 Sep 2026US 12,728,492 B2Hilti Aktiengesellschaft
- Torque-limiting spindle11 Aug 2026US 12,704,155 B2Schlage Lock Company LLC
- Clutch mechanism for rotary power tool3 Feb 2026US 12,540,645 B2Milwaukee Electric Tool Corporation
- Sliding component, assembly, and method of forming and using the same13 Jan 2026US 12,523,249 B2Saint-Gobain Performance Plastics Pampus GmbH
- Drive Unit for a Vehicle20 Aug 2026US 2026/0243311 A1ZF Friedrichshafen AG
- Overload clutch with a rotation axis20 Aug 2026US 2026/0243312 A1Schaeffler Technologies AG & Co. KG
- Clutch assembly for a rear view device18 Jun 2026US 2026/0168539 A1Motherson Innovations Company Limited
- Harmonic gear with torque limiting sleeve28 May 2026US 2026/0146654 A1Hamilton Sundstrand Corporation
- Systems and Methods For Gearbox and Geardrive Assemblies21 May 2026US 2026/0142525 A1Regal Beloit America, Inc.
Most cited
By later US patents
- Bi-directional advance gear having a torque limiting clutch60US 4,702,122 AThe Scott Fetzer Company · 1987
- Impact absorption mechanism for power tools52US 5,607,023 AMilwaukee Electric Tool Corporation · 1997
- Slip clutch28US 4,222,246 ARoller Bearing Company of America, Inc. · 1980
- Progressively engaged centrifugal clutch25US 3,971,463 A1976
- Electric power steering device24US 5,819,871 AKoyo Seiko Co., Ltd. · 1998