B60T 17/086
Spring loaded brake actuators with emergency release device
Official title: {Spring loaded brake actuators with emergency release device}
B60T17/086 (Spring loaded brake actuators with emergency release device) appears on 93 US grants and 56 published applications in this corpus.
Search patents in B60T- Granted patents
- 93
- Published applications
- 56
- Assignees
- 57
- Inventors
- 168
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 8 |
| 2011 | 6 | 4 |
| 2012 | 3 | 1 |
| 2013 | 3 | 2 |
| 2014 | 1 | 5 |
| 2015 | 3 | 1 |
| 2016 | 3 | 3 |
| 2017 | 3 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 4 | 2 |
| 2021 | 0 | 3 |
| 2022 | 1 | 5 |
| 2023 | 5 | 3 |
| 2024 | 3 | 3 |
| 2025 | 1 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Emergency maneuvering based on a pre-determined axle brake torque difference26 May 2026US 12,637,044 B2Volvo Truck Corporation
- Braking system, method of operating a braking system and transportation vehicle with a braking system24 Mar 2026US 12,583,426 B2Volkswagen Aktiengesellschaft
- Spring brake actuator and retaining device for such spring brake actuator24 Feb 2026US 12,559,082 B2Zf Cv Systems Europe BV
- Redundant parking brake apparatus for a vehicle and method of operating the same7 Oct 2025US 12,434,677 B2Bendix Commercial Vehicle Systems LLC
- Spring brake actuator for a vehicle, in particular parking or emergency brake actuator for use in a commercial vehicle19 Nov 2024US 12,145,553 B2ZF Commercial Vehicle Control Systems India Limited
- Spring Brake Cylinder for a Vehicle Brake17 Sep 2026US 2026/0274239 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Emergency maneuvering based on a pre-determined axle brake torque difference3 Sep 2026US 2026/0257653 A1Volvo Truck Corporation
- Redundant parking brake apparatus for a vehicle and method of operating the same6 Mar 2025US 2025/0074373 A1Bendix Commercial Vehicle Systems LLC
- Spring-loaded brake actuator31 Oct 2024US 2024/0359677 A1Hanning & Kahl GmbH & Co. KG
- Emergency maneuvering based on a pre-determined axle brake torque difference11 Jul 2024US 2024/0227754 A1Volvo Truck Corporation
Most cited
By later US patents
- Brake cylinder device combining a pneumatically-applied service brake and a spring-applied parking brake33US 4,364,305 AWABCO Westinghouse GmbH · 1982
- Spring-applied brake unit for railway vehicle with manual release arrangement22US 4,478,319 AWABCO Westinghouse Compagnia Freni S.p.A. · 1984
- Brake cylinder with two pistons18US 4,493,246 AWABCO Westinghouse Equipements Ferroviaires · 1985
- Sealed brake actuator17US 6,588,314 B1Haldex Brake Corporation · 2003
- Device for discontinuing and automatically restoring the operational function of a spring brake actuator16US 3,994,205 ASvenska Aktiebolaget Bromsregulator · 1976