B60T 17/222
By filling or bleeding of hydraulic systems
Official title: {by filling or bleeding of hydraulic systems}
B60T17/222 (By filling or bleeding of hydraulic systems) appears on 287 US grants and 242 published applications in this corpus.
Search patents in B60T- Granted patents
- 287
- Published applications
- 242
- Assignees
- 148
- Inventors
- 624
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 12 | 2 |
| 2002 | 8 | 4 |
| 2003 | 8 | 8 |
| 2004 | 4 | 11 |
| 2005 | 9 | 9 |
| 2006 | 6 | 8 |
| 2007 | 1 | 4 |
| 2008 | 5 | 5 |
| 2009 | 2 | 3 |
| 2010 | 1 | 4 |
| 2011 | 0 | 5 |
| 2012 | 2 | 7 |
| 2013 | 7 | 11 |
| 2014 | 3 | 7 |
| 2015 | 9 | 7 |
| 2016 | 4 | 6 |
| 2017 | 4 | 6 |
| 2018 | 7 | 13 |
| 2019 | 8 | 11 |
| 2020 | 12 | 24 |
| 2021 | 15 | 22 |
| 2022 | 19 | 14 |
| 2023 | 15 | 18 |
| 2024 | 11 | 15 |
| 2025 | 20 | 11 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for controlling an electronically slip-controllable power-brake system with redundant generation of brake pressure25 Aug 2026US 12,715,407 B2Robert Bosch GmbH
- Method of operating a compressed air system, computer program, computer-readable medium, control arrangement, compressed air system, and vehicle25 Aug 2026US 12,715,414 B2Scania CV AB
- Equipment, system, method and computer-readable storage medium for filling and bleeding brake fluid30 Jun 2026US 12,668,227 B2Volvo Car Corporation
- Brake signal transmitter, braking system, and vehicle21 Apr 2026US 12,606,143 B2ZF CV Systems Global GmbH
- Hydraulic brake apparatus for vehicle and control method therefor14 Apr 2026US 12,600,337 B2Hyundai Mobis Co., Ltd.
- Apparatus6 Aug 2026US 2026/0226924 A1Hydac Technology GmbH
- Brake system and method of control11 Jun 2026US 2026/0159063 A1ArvinMeritor Technology, LLC
- Hydraulic Safety Manager21 May 2026US 2026/0141753 A1Right Testing Labs
- Hydraulic pressure control unit, brake system, and diagnosis method7 May 2026US 2026/0125040 A1Robert Bosch GmbH
- Brake system and method for controlling the same5 Mar 2026US 2026/0061984 A1Hl Mando Corporation
Most cited
By later US patents
- Brake bleeding tool102US 5,816,281 A1998
- Reservoirs for liquid pressure control systems and a method of filling the same50US 4,503,678 AAutomotive Products plc · 1985
- Towed vehicle braking system43US 6,126,246 A2000
- Method of restoring hydraulic systems42US 4,017,329 A1977
- Towed vehicle brake control42US 5,411,321 A1995