B60T 8/5037
Closed systems
Official title: {closed systems}
B60T8/5037 (Closed systems) appears on 159 US grants and 13 published applications in this corpus.
Search patents in B60T- Granted patents
- 159
- Published applications
- 13
- Assignees
- 46
- Inventors
- 242
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 15 | 0 |
| 1997 | 14 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Electronic stability control-based brake actuation with redundancy23 Dec 2025US 12,503,092 B2Bwi (Shanghai) Co., Ltd.
- Slow response solenoid hydraulic valve, and associated systems and methods8 Feb 2022US 11,242,041 B2Safran Landing Systems Canada Inc.
- Valve unit for modulating pressure in a compressed-air brake system12 Nov 2019US 10,471,942 B2WABCO Europe BVBA
- Pump device2 Oct 2018US 10,087,917 B2Hitachi Automotive Systems, Ltd.
- Vehicle brake hydraulic pressure control apparatus22 May 2012US 8,182,049 B2Nissin Kogyo Co., Ltd.
- Electronic Treadle Valve22 May 2025US 2025/0162554 A1Valcrum, LLC
- Electronic stability control-based brake actuation with redundancy8 Jun 2023US 2023/0174033 A1Bwi (Shanghai) Co., Ltd.
- Slow response solenoid hydraulic valve, and associated systems and methods24 Oct 2019US 2019/0322258 A1Safran Landing Systems Canada Inc.
- Valve Unit for Modulating Pressure in a Compressed-Air Brake System6 Dec 2018US 2018/0345926 A1WABCO Europe BVBA
- Pump Device11 Jun 2015US 2015/0159638 A1Hitachi Automotive Systems, Ltd.
Most cited
By later US patents
- Hydraulic anti-skid braking systems for vehicles38US 4,715,666 ALucas Industries public limited company · 1987
- Anti-skid vehicle brake system with fluid pressure actuated regulating valve30US 4,099,793 AYamaha Hatsudoki Kabushiki Kaisha · 1978
- Hydraulic anti-skid braking systems for vehicles27US 4,354,715 ALucas Industries Limited · 1982
- Anti-skid brake system27US 4,640,558 ANippondenso Co., Ltd. · 1987
- Modulator assemblies for vehicle anti-skid braking systems26US 4,350,396 ALucas Industries Limited · 1982