B60T 13/26
Compressed-air systems
B60T13/26 (Compressed-air systems) appears on 640 US grants and 550 published applications in this corpus.
Search patents in B60T- Granted patents
- 640
- Published applications
- 550
- Assignees
- 248
- Inventors
- 1,167
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 23 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 13 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 13 | 0 |
| 1987 | 15 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 0 |
| 2002 | 1 | 3 |
| 2003 | 4 | 10 |
| 2004 | 8 | 6 |
| 2005 | 4 | 10 |
| 2006 | 6 | 12 |
| 2007 | 7 | 8 |
| 2008 | 4 | 6 |
| 2009 | 2 | 3 |
| 2010 | 2 | 7 |
| 2011 | 6 | 14 |
| 2012 | 5 | 5 |
| 2013 | 5 | 7 |
| 2014 | 11 | 12 |
| 2015 | 12 | 17 |
| 2016 | 15 | 12 |
| 2017 | 12 | 25 |
| 2018 | 14 | 27 |
| 2019 | 24 | 35 |
| 2020 | 31 | 47 |
| 2021 | 27 | 43 |
| 2022 | 28 | 54 |
| 2023 | 34 | 42 |
| 2024 | 47 | 58 |
| 2025 | 40 | 45 |
| 2026 | 35 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60T 13/261Systems with both indirect application and application by springs or weights and234
- B60T 13/38Brakes applied by springs or weights and released by compressed air148
- B60T 13/268Using accumulators or reservoirs119
- B60T 13/40Indirect, i.e. compressed air booster units indirect systems99
- B60T 13/36Direct, i.e. brakes applied directly by compressed air61
- B60T 13/266Systems with both direct and indirect application17
Recent patents
- Electropneumatic assembly including integrated failure safety-valve arrangement for multiple fault, electronically controllable pneumatic braking system, and method for operating a braking system6 Oct 2026US 12,752,749 B2ZF CV Systems Global GmbH
- Drum brake6 Oct 2026US 12,753,808 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Brake pressure modulator, pneumatic brake system and vehicle15 Sep 2026US 12,735,014 B2Zf Cv Systems Europe BV
- Electropneumatic valve assembly with self-locking safety valve15 Sep 2026US 12,735,015 B2ZF CV Systems Global GmbH
- Pneumatic controller for a hydrodynamic brake8 Sep 2026US 12,728,829 B2ETO Magnetic GmbH
- Electro-Pneumatic Brake Device with Automatic Ventilation of the Spring Brake24 Sep 2026US 2026/0285277 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Pneumatic system with valve for closed-loop control17 Sep 2026US 2026/0274228 A1Volvo Truck Corporation
- Pneumatic line switching system10 Sep 2026US 2026/0264652 A1Electrans Technologies Ltd.
- Braking System, Vehicle Combination and Method of Operating the Same27 Aug 2026US 2026/0249823 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- System and Method for Conditionally Releasing a Parking Brake of a Trailer13 Aug 2026US 2026/0233722 A1Bendix Commercial Vehicle Systems LLC
Most cited
By later US patents
- Brake control system and method67US 4,768,840 AEaton Corporation · 1988
- Disposal vehicle59US 3,966,067 AFrodsham, E. Dale · 1976
- Railroad freight car for carrying motor vehicles55US 5,743,192 AGunderson LLC · 1998
- Parking brake control system53US 6,685,281 B255 Brake Company · 2004
- Vehicle brake safety system apparatus and methods49US 6,450,587 B155 Brake Company · 2002