B60T 8/42
Having expanding chambers for controlling pressure , i.e. closed systems
Official title: having expanding chambers for controlling pressure {, i.e. closed systems}
B60T8/42 (Having expanding chambers for controlling pressure , i.e. closed systems) appears on 998 US grants and 204 published applications in this corpus.
Search patents in B60T- Granted patents
- 998
- Published applications
- 204
- Assignees
- 164
- Inventors
- 1,230
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 9 | 0 |
| 1978 | 14 | 0 |
| 1979 | 6 | 0 |
| 1980 | 11 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 12 | 0 |
| 1985 | 11 | 0 |
| 1986 | 14 | 0 |
| 1987 | 30 | 0 |
| 1988 | 43 | 0 |
| 1989 | 57 | 0 |
| 1990 | 49 | 0 |
| 1991 | 48 | 0 |
| 1992 | 51 | 0 |
| 1993 | 62 | 0 |
| 1994 | 56 | 0 |
| 1995 | 50 | 0 |
| 1996 | 49 | 0 |
| 1997 | 55 | 0 |
| 1998 | 35 | 0 |
| 1999 | 47 | 0 |
| 2000 | 38 | 0 |
| 2001 | 36 | 7 |
| 2002 | 24 | 14 |
| 2003 | 13 | 9 |
| 2004 | 2 | 11 |
| 2005 | 9 | 10 |
| 2006 | 9 | 8 |
| 2007 | 9 | 4 |
| 2008 | 2 | 14 |
| 2009 | 1 | 9 |
| 2010 | 5 | 8 |
| 2011 | 5 | 8 |
| 2012 | 5 | 10 |
| 2013 | 11 | 12 |
| 2014 | 6 | 9 |
| 2015 | 11 | 8 |
| 2016 | 12 | 7 |
| 2017 | 4 | 7 |
| 2018 | 7 | 10 |
| 2019 | 5 | 12 |
| 2020 | 7 | 6 |
| 2021 | 8 | 5 |
| 2022 | 8 | 5 |
| 2023 | 3 | 4 |
| 2024 | 2 | 5 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric braking device19 May 2026US 12,630,136 B2Advics Co., Ltd.
- Valve unit for an anti-lock braking system3 Mar 2026US 12,565,186 B2Raicam Driveline S.R.L.
- Vehicle braking device17 Feb 2026US 12,552,356 B2Advics Co., Ltd.
- Automotive air pressure spring brake chamber having caging bolt assembly16 Dec 2025US 12,497,010 B2Miraevc Co., Ltd.
- Cuboidal housing block, particularly for a hydraulic modulator to generate, control or regulate a brake pressure in a brake circuit of an electronically controllable power-brake system25 Nov 2025US 12,479,406 B2Robert Bosch GmbH
- Abs device for a hydraulic braking system of a cycle or motorcycle or of a light vehicle18 Jun 2026US 2026/0167162 A1Blubrake S.p.A.
- Device for Generating a Fluidic Brake Control Signal9 Jan 2025US 2025/0010831 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Electric braking device19 Dec 2024US 2024/0416885 A1Advics Co., Ltd.
- Brake Device for a Hydraulic Brake System of a Vehicle and Method for Operating a Hydraulic Brake System of a Vehicle28 Nov 2024US 2024/0391438 A1Robert Bosch GmbH
- Method for controlling a hydraulic volume2 May 2024US 2024/0140375 A1
Most cited
By later US patents
- Electrically controlled automated devices to control equipment and machinery with remote control and accountability worldwide378US 6,647,328 B2Kline and Walker LLC · 2003
- Electronically controlled sealing, unsealing and/or bonding with metal strip or wire coated with liquefiable substance for redundant application and tamper detection167US 7,259,357 B2Kline and Walker LLC · 2007
- Hydraulic vehicle brake system with a hydraulic unit for wheel slip control106US 5,468,057 ARobert Bosch GmbH · 1995
- Brake actuating apparatus for a vehicle98US 5,348,123 AAkebono Brake Industry Co., Ltd. · 1994
- Problem diagnosis system in pressure device control apparatus92US 5,373,454 AHonda Giken Kogyo Kabushiki Kaisha · 1994