B60T 8/40
Comprising an additional fluid circuit including fluid pressurising means for modifying the
Official title: comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
B60T8/40 (Comprising an additional fluid circuit including fluid pressurising means for modifying the) appears on 2,584 US grants and 2,261 published applications in this corpus.
Search patents in B60T- Granted patents
- 2,584
- Published applications
- 2,261
- Assignees
- 289
- Inventors
- 2,973
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 23 | 0 |
| 1988 | 23 | 0 |
| 1989 | 33 | 0 |
| 1990 | 26 | 0 |
| 1991 | 27 | 0 |
| 1992 | 46 | 0 |
| 1993 | 51 | 0 |
| 1994 | 51 | 0 |
| 1995 | 32 | 0 |
| 1996 | 52 | 0 |
| 1997 | 42 | 0 |
| 1998 | 50 | 0 |
| 1999 | 82 | 0 |
| 2000 | 86 | 0 |
| 2001 | 89 | 21 |
| 2002 | 81 | 62 |
| 2003 | 57 | 40 |
| 2004 | 39 | 64 |
| 2005 | 37 | 58 |
| 2006 | 30 | 59 |
| 2007 | 30 | 68 |
| 2008 | 27 | 96 |
| 2009 | 26 | 51 |
| 2010 | 42 | 99 |
| 2011 | 54 | 83 |
| 2012 | 54 | 86 |
| 2013 | 77 | 118 |
| 2014 | 88 | 104 |
| 2015 | 115 | 144 |
| 2016 | 132 | 117 |
| 2017 | 110 | 108 |
| 2018 | 98 | 126 |
| 2019 | 106 | 141 |
| 2020 | 109 | 128 |
| 2021 | 96 | 94 |
| 2022 | 81 | 102 |
| 2023 | 66 | 105 |
| 2024 | 112 | 83 |
| 2025 | 91 | 69 |
| 2026 | 46 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60T 8/4072Systems in which a driver input signal is used as a control1,535
- B60T 8/404Control of the pump unit447
- B60T 8/4031Pump units characterised by their construction or mounting388
- B60T 8/4018Pump units characterised by their drive mechanisms269
- B60T 8/4068The additional fluid circuit comprising means for attenuating pressure pulsations137
- B60T 8/4004Repositioning the piston of the brake control means by means of a62
- B60T 8/4036Pump units characterised by their failure-responsive means55
- B60T 8/4013Fluid pressurising means for more than one fluid circuit42
All 9 subgroupsShow fewer
Recent patents
- Adjustable pressure simulator device for vehicle braking systems of the brake-by-wire type22 Sep 2026US 12,741,622 B2Brembo S.p.A.
- Brake apparatus1 Sep 2026US 12,722,610 B2Hyundai Motor Company
- Brake system for a vehicle and method for operating a brake system25 Aug 2026US 12,715,405 B2ZF Active Safety GmbH
- Method for controlling an electronically slip-controllable power-brake system with redundant generation of brake pressure25 Aug 2026US 12,715,407 B2Robert Bosch GmbH
- Brake systems with master cylinders and single corner actuators18 Aug 2026US 12,709,255 B2ZF Active Safety US Inc.
- Arrangement for a linear magnet for electronically assisted braking systems1 Oct 2026US 2026/0296394 A1
- Brake device, in particular for electrically driven motor vehicles10 Sep 2026US 2026/0264657 A1Ipgate AG
- Vehicle braking control device3 Sep 2026US 2026/0257654 A1Advics Co., Ltd.
- Brake device, in particular for electrically driven motor vehicles3 Sep 2026US 2026/0257658 A1Ipgate AG
- Braking feel simulator device27 Aug 2026US 2026/0249822 A1Brembo S.p.A.
Most cited
By later US patents
- Electronic brake management system with manual fail safe127US 5,941,608 AKelsey-Hayes Company · 1999
- Pump devices100US 5,992,944 AUnisia Jecs Corporation · 1999
- Hydraulic unit for slip-controlled braking systems99US 8,500,215 B2Continental Teves AG & Co. oHG · 2013
- Problem diagnosis system in pressure device control apparatus92US 5,373,454 AHonda Giken Kogyo Kabushiki Kaisha · 1994
- Brake pressure control device78US 5,261,730 AMercedes-Benz AG · 1993