B60T 8/4863
Closed systems
Official title: {closed systems (B60T8/4845, B60T8/489 take precedence)}
B60T8/4863 (Closed systems) appears on 865 US grants and 583 published applications in this corpus.
Search patents in B60T- Granted patents
- 865
- Published applications
- 583
- Assignees
- 130
- Inventors
- 1,275
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 12 | 0 |
| 1990 | 13 | 0 |
| 1991 | 15 | 0 |
| 1992 | 27 | 0 |
| 1993 | 27 | 0 |
| 1994 | 28 | 0 |
| 1995 | 24 | 0 |
| 1996 | 26 | 0 |
| 1997 | 22 | 0 |
| 1998 | 35 | 0 |
| 1999 | 48 | 0 |
| 2000 | 46 | 0 |
| 2001 | 63 | 6 |
| 2002 | 26 | 21 |
| 2003 | 14 | 19 |
| 2004 | 20 | 19 |
| 2005 | 9 | 21 |
| 2006 | 9 | 19 |
| 2007 | 10 | 30 |
| 2008 | 8 | 34 |
| 2009 | 11 | 36 |
| 2010 | 15 | 32 |
| 2011 | 21 | 38 |
| 2012 | 28 | 32 |
| 2013 | 40 | 63 |
| 2014 | 43 | 48 |
| 2015 | 47 | 33 |
| 2016 | 35 | 21 |
| 2017 | 36 | 27 |
| 2018 | 28 | 20 |
| 2019 | 17 | 23 |
| 2020 | 16 | 11 |
| 2021 | 12 | 10 |
| 2022 | 3 | 2 |
| 2023 | 10 | 4 |
| 2024 | 11 | 6 |
| 2025 | 1 | 5 |
| 2026 | 2 | 3 |
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
- Wheel brake module of a brake system of a motor vehicle, brake system, motor vehicle2 Jul 2026US 2026/0184292 A1
- 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
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
- Electric vehicle with traction control100US 5,492,192 AGeneral Motors Corporation · 1996
- Pump devices100US 5,992,944 AUnisia Jecs Corporation · 1999
- Brake actuating apparatus for a vehicle98US 5,348,123 AAkebono Brake Industry Co., Ltd. · 1994