F16D 55/14
With self-tightening action
Official title: with self-tightening action, e.g. by means of coacting helical surfaces or balls and inclined surfaces
F16D55/14 (With self-tightening action) appears on 79 US grants and 29 published applications in this corpus.
Search patents in F16D- Granted patents
- 79
- Published applications
- 29
- Assignees
- 43
- Inventors
- 113
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 6 |
| 2021 | 3 | 0 |
| 2022 | 5 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- No-back brake having a limited authority damper1 Sep 2026US 12,723,630 B2The Boeing Company
- Clamping and/or braking device for humid environments24 Mar 2026US 12,584,531 B2HEMA Maschinen- und Apparateschutz GmbH
- Apparatus and method for calculating absolute angular position for controlling vehicle steering system28 Mar 2023US 11,613,238 B2Hl Mando Corporation
- Disc brake, disc brake system, and parking brake system27 Dec 2022US 11,536,331 B2ZF Active Safety GmbH
- Variable motor laminations8 Nov 2022US 11,491,964 B2Mando Corporation
- Clamping and/or braking device for humid environments31 Jul 2025US 2025/0243916 A1HEMA Maschinen- und Apparateschutz GmbH
- No-back brake having a limited authority damper6 Mar 2025US 2025/0075754 A1The Boeing Company
- Braking and/or clamping device having a piston-loadable disk element13 Feb 2025US 2025/0052292 A1
- Electrohydraulic brake unit15 Feb 2024US 2024/0052899 A1ZF Active Safety GmbH
- Self-energizing brake caliper16 Jul 2020US 2020/0223403 A1Kyung Chang Industrial Co., Ltd.
Most cited
By later US patents
- Electromagnetically released spring applied friction brake with torque booster26US 4,280,073 AFacet Enterprises, Inc. · 1981
- Self-energizing disc brakes20US 5,012,901 ALucas Industries public limited company · 1991
- Spreading disc brake and cam actuator therefor18US 3,952,843 AGirling Limited · 1976
- Self-energizing disc brakes18US 4,653,614 ALucas Industries public limited company · 1987
- Liquid-immersed disc brake18US 5,355,978 ALucas Industries public limited company · 1994