F16D 51/48
With two linked or directly-interacting brake shoes
Official title: with two linked or directly-interacting brake shoes
F16D51/48 (With two linked or directly-interacting brake shoes) appears on 132 US grants and 70 published applications in this corpus.
Search patents in F16D- Granted patents
- 132
- Published applications
- 70
- Assignees
- 53
- Inventors
- 200
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 7 |
| 2002 | 9 | 6 |
| 2003 | 3 | 5 |
| 2004 | 4 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 3 |
| 2007 | 3 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 4 | 1 |
| 2013 | 2 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 4 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 2 |
| 2022 | 6 | 7 |
| 2023 | 5 | 3 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drum brake having compensation of brake-shoe transverse offset19 May 2026US 12,631,225 B2Continental Automotive Technologies GmbH
- Actuator for drum brake assembly13 May 2025US 12,296,799 B2ZF Active Safety US Inc.
- Drum brake18 Feb 2025US 12,228,179 B2Continental Automotive Technologies GmbH
- Rotation locking device26 Sep 2023US 11,767,913 B2Nsk Ltd.
- Electric motor with reverse input cutoff clutch8 Aug 2023US 11,722,035 B2Nsk Ltd.
- Electromechanically actuated drum brake16 Jul 2026US 2026/0201928 A1
- Reverse-input blocking clutch23 Apr 2026US 2026/0110343 A1Nsk Ltd.
- Method for operating a drum brake, control unit, and friction brake1 Jan 2026US 2026/0002569 A1
- Drum brake and braking member5 Sep 2024US 2024/0295247 A1Hitachi Astemo, Ltd.
- Actuator for drum brake assembly21 Mar 2024US 2024/0092331 A1ZF Active Safety US Inc.
Most cited
By later US patents
- Method and apparatus for diagnosing electrically operated brake without manual operation of brake operating member72US 6,158,822 AToyota Jidosha Kabushiki Kaisha · 2000
- Electrically operated braking system having a device for operating electric motor of brake to obtain relationship between motor power and braking torque46US 6,270,172 B1Toyota Jidosha Kabushiki Kaisha · 2001
- Magnetic latch mechanism and method particularly for linear and rotatable brakes44US 5,791,442 AOrscheln Management Co. · 1998
- Electrically operated braking system having a device for operating electric motor of brake to obtain relationship between motor power and braking torque37US 6,425,643 B2Toyota Jidosha Kabushiki Kaisha · 2002
- Electrically operated brake including two electric motors connected to planetary gear device, and braking system including such brake or brakes25US 6,138,801 AASMO Co.LTD · 2000