B60T 13/22
Brakes applied by springs or weights and released hydraulically
B60T13/22 (Brakes applied by springs or weights and released hydraulically) appears on 240 US grants and 135 published applications in this corpus.
Search patents in B60T- Granted patents
- 240
- Published applications
- 135
- Assignees
- 149
- Inventors
- 504
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 14 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 5 |
| 2003 | 6 | 3 |
| 2004 | 8 | 5 |
| 2005 | 2 | 4 |
| 2006 | 1 | 4 |
| 2007 | 2 | 9 |
| 2008 | 3 | 2 |
| 2009 | 1 | 1 |
| 2010 | 5 | 2 |
| 2011 | 4 | 0 |
| 2012 | 2 | 3 |
| 2013 | 2 | 3 |
| 2014 | 2 | 4 |
| 2015 | 3 | 1 |
| 2016 | 3 | 6 |
| 2017 | 5 | 2 |
| 2018 | 2 | 14 |
| 2019 | 6 | 4 |
| 2020 | 6 | 4 |
| 2021 | 3 | 13 |
| 2022 | 9 | 3 |
| 2023 | 3 | 4 |
| 2024 | 4 | 19 |
| 2025 | 4 | 9 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric motor gearbox with integrated brake15 Sep 2026US 12,736,129 B2Oshkosh Defense, LLC
- Hydraulic machine comprising a stack of discs acted on by a push rod11 Aug 2026US 12,704,160 B2Poclain Hydraulics Industrie
- Vehicle with parking brake system14 Jul 2026US 12,679,319 B2CNH Industrial America LLC
- Portable hydraulic park brake release apparatus and method for work vehicle2 Jun 2026US 12,643,517 B2Deere & Company
- Brake assembly and method of supplying lubricant in a brake assembly5 May 2026US 12,617,382 B2Deere & Company
- Hydraulic brake device for industrial vehicle17 Sep 2026US 2026/0274227 A1Kabushiki Kaisha Toyota Jidoshokki
- Control valve assembly for a hydraulic braking system of a vehicle connected to a trailer27 Aug 2026US 2026/0249825 A1Raicam Driveline S.R.L.
- Braking assembly for a work vehicle20 Aug 2026US 2026/0241908 A1
- Systems and methods for autonomy braking13 Aug 2026US 2026/0233740 A1Deere & Company
- Systems and methods for autonomy enablement sequence13 Aug 2026US 2026/0236044 A1Deere & Company
Most cited
By later US patents
- Pressure holding directional control valve37US 5,738,142 ACase Corporation · 1998
- Electrically operated parking brake system36US 5,370,449 AEaton Corporation · 1994
- Electrohydraulic parking brake control system30US 5,203,616 ADeere & Company · 1993
- Planetary gearbox with integral service brake29US 8,662,277 B2Fairfield Manufacturing Company, Inc. · 2014
- Hydraulic and electric powered parking brake system27US 5,704,693 ARobert Bosch Technology Corporation · 1998