B60T 17/085
Spring loaded brake actuators
Official title: {Spring loaded brake actuators}
B60T17/085 (Spring loaded brake actuators) appears on 158 US grants and 96 published applications in this corpus.
Search patents in B60T- Granted patents
- 158
- Published applications
- 96
- Assignees
- 78
- Inventors
- 266
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 5 | 4 |
| 2004 | 5 | 4 |
| 2005 | 2 | 2 |
| 2006 | 4 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 8 |
| 2011 | 6 | 4 |
| 2012 | 3 | 2 |
| 2013 | 3 | 2 |
| 2014 | 1 | 5 |
| 2015 | 3 | 2 |
| 2016 | 3 | 3 |
| 2017 | 4 | 2 |
| 2018 | 4 | 5 |
| 2019 | 3 | 6 |
| 2020 | 8 | 3 |
| 2021 | 4 | 6 |
| 2022 | 2 | 10 |
| 2023 | 9 | 5 |
| 2024 | 4 | 6 |
| 2025 | 2 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Reduced profile piston adjuster17 Mar 2026US 12,577,993 B2Honeywell International Inc.
- 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 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
- Locking device for manually releasing a parking brake8 Jan 2026US 2026/0008484 A1
- Brake release system for a vehicle comprising a parking brake29 May 2025US 2025/0171005 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
Most cited
By later US patents
- Air brake monitoring and safety system39US 5,572,187 A1996
- Brake cylinder device combining a pneumatically-applied service brake and a spring-applied parking brake33US 4,364,305 AWABCO Westinghouse GmbH · 1982
- Spring actuated brake cylinder device with fluid pressure operable release piston lockout means28US 4,116,113 AWABCO Westinghouse GmbH · 1978
- Tamper-resistant brake actuator26US 5,353,688 ANAI Anchorlok, Inc. · 1994
- Fluid-operated spring brake atuator with funnel-shaped pressure plate23US 5,377,579 ANAI Anchorlok, Inc. · 1995