B60T 17/08
Brake cylinders other than ultimate actuators
Official title: Brake cylinders other than ultimate actuators (with built-in wear-compensating mechanisms, ultimate actuators F16D)
B60T17/08 (Brake cylinders other than ultimate actuators) appears on 679 US grants and 433 published applications in this corpus.
Search patents in B60T- Granted patents
- 679
- Published applications
- 433
- Assignees
- 246
- Inventors
- 1,002
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 17 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 21 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 15 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 22 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 19 | 5 |
| 2002 | 21 | 9 |
| 2003 | 11 | 14 |
| 2004 | 11 | 18 |
| 2005 | 11 | 12 |
| 2006 | 13 | 14 |
| 2007 | 4 | 15 |
| 2008 | 9 | 17 |
| 2009 | 8 | 5 |
| 2010 | 5 | 25 |
| 2011 | 12 | 19 |
| 2012 | 10 | 9 |
| 2013 | 11 | 13 |
| 2014 | 14 | 18 |
| 2015 | 16 | 12 |
| 2016 | 18 | 15 |
| 2017 | 19 | 17 |
| 2018 | 22 | 25 |
| 2019 | 19 | 17 |
| 2020 | 21 | 22 |
| 2021 | 14 | 23 |
| 2022 | 14 | 35 |
| 2023 | 20 | 23 |
| 2024 | 25 | 23 |
| 2025 | 16 | 16 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60T 17/083Combination of service brake actuators with spring loaded brake actuators237
- B60T 17/085Spring loaded brake actuators158
- B60T 17/16Locking of brake cylinders155
- B60T 17/088Mounting arrangements80
- B60T 17/081Single service brake actuators60
- B60T 17/10Two or more cylinders acting on the same brake with means for17
Recent patents
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- Hydraulic adjustment unit, brake system, and control method1 Sep 2026US 12,722,615 B2Yinwang Intelligent Technologies Co., Ltd.
- Spring Brake Cylinder for a Vehicle Brake17 Sep 2026US 2026/0274239 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Emergency maneuvering based on a pre-determined axle brake torque difference3 Sep 2026US 2026/0257653 A1Volvo Truck Corporation
- Vehicle brake system13 Aug 2026US 2026/0233723 A1Astemo, Ltd.
- Brake apparatus for vehicle23 Jul 2026US 2026/0208716 A1Hyundai Mobis Co., Ltd.
- Combined service brake and spring brake cylinder with service brake cylinder mounted inside the spring brake cylinder9 Jul 2026US 2026/0192790 A1Knorr-Bremse Systeme fur Nutzfahrzeuge GmbH
Most cited
By later US patents
- Hydraulic parking brake system for railway vehicles96US 5,813,731 AHHB Limited, L.L.C. · 1998
- Electric actuators92US 4,546,298 AWestinghouse Brake & Signal Co. Ltd. · 1985
- Electric actuators69US 4,532,462 AWestinghouse Brake & Signal Co. Ltd. · 1985
- Brake wear indicator66US 5,206,625 A1993
- Electric actuators64US 4,546,296 AWestinghouse Brake & Signal Co. Ltd. · 1985