F16D 51/02
Shaped as one or more circumferential band
Official title: shaped as one or more circumferential band (similar clutches F16D13/12)
F16D51/02 (Shaped as one or more circumferential band) appears on 37 US grants and 35 published applications in this corpus.
Search patents in F16D- Granted patents
- 37
- Published applications
- 35
- Assignees
- 42
- Inventors
- 96
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 4 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 3 |
| 2020 | 2 | 4 |
| 2021 | 7 | 2 |
| 2022 | 0 | 3 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- External drum brake anti-falling device19 May 2026US 12,631,231 B2Bexus Industries Co., Ltd.
- Internal drum brake anti-falling device6 Feb 2024US 11,892,046 B2Bexus Industries Co., Ltd.
- Spring lock mechanism28 Nov 2023US 11,828,336 B2Bizen Hatsujo Co., Ltd.
- Compact portable lift assembly15 Aug 2023US 11,724,913 B2Adaptive Concepts Ltd.
- Window covering and driving device thereof18 Apr 2023US 11,629,552 B2Nien Made Enterprise Co., Ltd.
- Clutch/brake assembly12 Dec 2024US 2024/0410428 A1Microtecnica S.R.L.
- External Drum Brake Anti-Falling Device24 Nov 2022US 2022/0370841 A1Bexus Industries Co., Ltd.
- Internal Drum Brake Anti-Falling Device24 Nov 2022US 2022/0373049 A1Bexus Industries Co., Ltd.
- Compact portable lift assembly10 Mar 2022US 2022/0073315 A1Adaptive Concepts Ltd.
- Spring lock mechanism2 Dec 2021US 2021/0372493 A1Bizen Hatsujo Co., Ltd.
Most cited
By later US patents
- Tubutor motor29US 6,700,246 B1Valeo Auto-Electric Wischer und Motoren GmbH · 2004
- Friction brake assembly24US 4,533,027 ADelta Kogyo Co., Ltd. · 1985
- Drum brake assembly18US 5,246,093 ABrake and Clutch Industries Australia Pty. Ltd. · 1993
- Rear wheel synchronous brake system for pushcart14US 7,222,874 B12007
- Suspension actuator14US 8,516,914 B2Schaeffler Technologies AG & Co. KG · 2013