B60T 11/228
Pressure-maintaining arrangements
Official title: Pressure-maintaining arrangements, e.g. for replenishing the master cylinder chamber with fluid from a reservoir (B60T11/232 takes precedence)
B60T11/228 (Pressure-maintaining arrangements) appears on 25 US grants and 23 published applications in this corpus.
Search patents in B60T- Granted patents
- 25
- Published applications
- 23
- Assignees
- 24
- Inventors
- 72
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 4 |
| 2015 | 0 | 2 |
| 2016 | 5 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 5 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve arrangement1 Jul 2025US 12,344,204 B2Continental Teves AG & Co. oHG
- Electric brake system and method of controlling the same1 Apr 2025US 12,263,822 B2Hl Mando Corporation
- Hydraulic tank for a bicycle7 Feb 2023US 11,572,046 B2Campagnolo S.r.l.
- Master cylinder for a braking system9 Aug 2022US 11,407,395 B2Robert Bosch GmbH
- Method and a system for estimating the water content of brake fluid in a brake system22 Feb 2022US 11,254,296 B2Volvo Car Corporation
- Electric brake system and method of controlling the same21 Sep 2023US 2023/0294651 A1Hl Mando Corporation
- Brake device20 Jul 2023US 2023/0227014 A1Subaru Corporatioln
- Valve arrangement19 Jan 2023US 2023/0016695 A1Continental Teves AG & Co. oHG
- Hydraulic tank for a bicycle17 Jun 2021US 2021/0179047 A1Campagnolo S.r.l.
- Master cylinder for a braking system10 Jun 2021US 2021/0171005 A1Robert Bosch GmbH
Most cited
By later US patents
- Dual external pin reservoir valves for tandem master cylinder assembly6US 5,044,161 AAlfred Teves GmbH · 1991
- Sealing element for a brake cylinder of a vehicle braking system5US 7,966,813 B2Lucas Automotive GmbH · 2011
- Apparatus for regulating pressure in the hydraulic brake system4US 6,347,841 B12002
- Braking apparatus4US 7,926,888 B2BWI Company Limited S.A. · 2011
- Valve for traction control3US 5,456,525 AAllied-Signal Inc. · 1995