F16D 51/52
Fluid actuated
Official title: fluid actuated
F16D51/52 (Fluid actuated) appears on 11 US grants and 6 published applications in this corpus.
Search patents in F16D- Granted patents
- 11
- Published applications
- 6
- Assignees
- 4
- Inventors
- 20
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drum brake18 Feb 2025US 12,228,179 B2Continental Automotive Technologies GmbH
- High thermal conductivity disk brakes3 Oct 2017US 9,776,241 B2
- Drum brake device25 Feb 2003US 6,523,652 B2Nisshinbo Industries, Inc.
- Drum brake device11 Dec 2001US 6,328,391 B1Akebono Brake Industry Co., Ltd.
- Drum brake device18 Sep 2001US 6,290,036 B1Akebono Brake Industry Co., Ltd.
- Method for operating a drum brake, control unit, and friction brake1 Jan 2026US 2026/0002569 A1
- Electric drum brake module comprising an integrated operating brake and an integrated electric parking brake14 Dec 2023US 2023/0400070 A1Continental Automotive Technologies GmbH
- Drum brake3 Mar 2022US 2022/0065310 A1Continental Teves AG & Co. oHG
- High thermal conductivity disk brakes24 Oct 2013US 2013/0277157 A1
- Wheel cylinder15 Jan 2004US 2004/0007431 A1
Most cited
By later US patents
- Drum brake device with single shoe extension device8US 5,924,529 ANisshinbo Industries, Inc. · 1999
- Drum brake7US 6,186,294 B1Akebono Brake Industry Co., Ltd. · 2001
- Drum brake6US 5,964,324 AAkebono Brake Industry Co., Ltd. · 1999
- High thermal conductivity disk brakes5US 9,776,241 B22017
- Drum brake4US 6,059,077 AAkebono Brake Industry Co., Ltd. · 2000