B60T 8/441
Using hydraulic boosters
Official title: {using hydraulic boosters (B60T8/445, B60T8/446, B60T8/447 take precedence)}
B60T8/441 (Using hydraulic boosters) appears on 355 US grants and 204 published applications in this corpus.
Search patents in B60T- Granted patents
- 355
- Published applications
- 204
- Assignees
- 74
- Inventors
- 566
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 13 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 19 | 0 |
| 2000 | 24 | 0 |
| 2001 | 18 | 8 |
| 2002 | 23 | 12 |
| 2003 | 7 | 7 |
| 2004 | 9 | 14 |
| 2005 | 7 | 9 |
| 2006 | 5 | 9 |
| 2007 | 7 | 6 |
| 2008 | 1 | 12 |
| 2009 | 2 | 14 |
| 2010 | 4 | 10 |
| 2011 | 11 | 7 |
| 2012 | 14 | 18 |
| 2013 | 13 | 16 |
| 2014 | 10 | 10 |
| 2015 | 17 | 15 |
| 2016 | 9 | 3 |
| 2017 | 7 | 7 |
| 2018 | 9 | 6 |
| 2019 | 7 | 9 |
| 2020 | 4 | 1 |
| 2021 | 4 | 6 |
| 2022 | 1 | 1 |
| 2023 | 3 | 1 |
| 2024 | 5 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for actuating a mechanism in a brake booster unit of a braking system and braking system26 May 2026US 12,637,047 B2Robert Bosch GmbH
- Brake apparatus for vehicle31 Dec 2024US 12,179,732 B2Hyundai Mobis Co., Ltd.
- Method for operating a vehicle brake system, control unit, and vehicle6 Aug 2024US 12,054,129 B2Robert Bosch GmbH
- Brake control device for vehicle30 Jul 2024US 12,049,213 B2Advics Co., Ltd.
- Vehicle brake system and method for increasing brake pressure in a first wheel brake cylinder and limiting brake pressure in a second wheel brake cylinder of a vehicle brake system30 Jan 2024US 11,884,254 B2Robert Bosch GmbH
- Method for actuating a mechanism in a brake booster unit of a braking system and braking system23 Oct 2025US 2025/0326382 A1Robert Bosch GmbH
- Device and Method for Controlling and Supplying Energy to Components in Vehicles3 Oct 2024US 2024/0326596 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Method for controlling a hydraulic volume2 May 2024US 2024/0140375 A1
- Brake apparatus for vehicle5 Jan 2023US 2023/0001900 A1Hyundai Mobis Co., Ltd.
- Braking apparatus for vehicle13 Jan 2022US 2022/0009461 A1Hyundai Mobis Co., Ltd.
Most cited
By later US patents
- Vehicle braking system having devices for controlling fluid flows between pressurizing and assisting chambers of master cylinder and pressure source and reservoir54US 6,412,882 B1Toyota Jidosha Kabushiki Kaisha · 2002
- Vehicle brake system52US 5,531,509 ARobert Bosch GmbH · 1996
- Method and device for controlling an ABS antilock braking / ASR traction control system49US 5,727,852 ARobert Bosch GmbH · 1998
- Braking system for motor driven vehicle44US 5,568,962 AAisin Seiki Kabushiki Kaisha · 1996
- Vehicular brake system39US 5,967,628 ADenso Corporation · 1999