B60T 8/4872
Pump-back systems
Official title: {pump-back systems}
B60T8/4872 (Pump-back systems) appears on 790 US grants and 571 published applications in this corpus.
Search patents in B60T- Granted patents
- 790
- Published applications
- 571
- Assignees
- 118
- Inventors
- 1,181
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 17 | 0 |
| 1993 | 22 | 0 |
| 1994 | 22 | 0 |
| 1995 | 22 | 0 |
| 1996 | 22 | 0 |
| 1997 | 14 | 0 |
| 1998 | 32 | 0 |
| 1999 | 46 | 0 |
| 2000 | 44 | 0 |
| 2001 | 63 | 5 |
| 2002 | 25 | 21 |
| 2003 | 13 | 19 |
| 2004 | 20 | 18 |
| 2005 | 9 | 21 |
| 2006 | 7 | 19 |
| 2007 | 9 | 30 |
| 2008 | 8 | 33 |
| 2009 | 11 | 36 |
| 2010 | 15 | 32 |
| 2011 | 21 | 38 |
| 2012 | 28 | 32 |
| 2013 | 40 | 63 |
| 2014 | 43 | 46 |
| 2015 | 46 | 33 |
| 2016 | 35 | 20 |
| 2017 | 35 | 26 |
| 2018 | 27 | 19 |
| 2019 | 17 | 22 |
| 2020 | 15 | 11 |
| 2021 | 11 | 10 |
| 2022 | 3 | 1 |
| 2023 | 9 | 4 |
| 2024 | 9 | 5 |
| 2025 | 1 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic brake boost30 Jun 2026US 12,668,220 B2ZF Active Safety US Inc.
- Method for controlling a braking system, braking system and motor vehicle14 Apr 2026US 12,600,336 B2Audi AG
- Device for a hydraulic actuating system7 Jan 2025US 12,187,252 B2Ipgate AG
- Device for a hydraulic actuating system31 Dec 2024US 12,179,722 B2Ipgate AG
- Device for a hydraulic actuating system31 Dec 2024US 12,179,723 B2Ipgate AG
- Method for calibrating a braking system of a vehicle, method for operating a braking system and braking system10 Sep 2026US 2026/0264655 A1ZF Active Safety GmbH
- Brake control method for autonomous operation device, autonomous operation device, and storage medium25 Jun 2026US 2026/0175824 A1Zhejiang Sunseeker Industrial Co., Ltd.
- Brake system for motor vehicles, having an actuator13 Nov 2025US 2025/0346219 A1Continental Automotive Technologies GmbH
- Brake valve with a magnet holder for a position sensor3 Jul 2025US 2025/0214556 A1
- Device for a hydraulic actuating system27 Mar 2025US 2025/0100529 A1Ipgate AG
Most cited
By later US patents
- Pump devices100US 5,992,944 AUnisia Jecs Corporation · 1999
- Braking pressure control device with maximum vehicle deceleration during automatic braking94US 5,586,814 AMercedes-Benz AG · 1996
- Brake pressure control device78US 5,261,730 AMercedes-Benz AG · 1993
- Method and apparatus for controlling the brake system of motor vehicles with electric drive71US 5,853,229 ARobert Bosch GmbH · 1998
- Hydraulic brake system for motor vehicles60US 5,167,442 ARobert Bosch GmbH · 1992