B60T 13/40
Indirect, i.e. compressed air booster units indirect systems
Official title: indirect, i.e. compressed air booster units {indirect systems}
B60T13/40 (Indirect, i.e. compressed air booster units indirect systems) appears on 99 US grants and 34 published applications in this corpus.
Search patents in B60T- Granted patents
- 99
- Published applications
- 34
- Assignees
- 51
- Inventors
- 167
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 1 |
| 2017 | 3 | 3 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 3 | 5 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 3 | 4 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Braking method, vehicle and medium2 Jun 2026US 12,643,518 B2Beijing Tusen Zhitu Technology Co., Ltd.
- Systems and methods for controlling vehicle brake system compressors31 Mar 2026US 12,589,724 B2Transportation IP Holdings, LLC
- 3D printed manifold for a pneumatic control panel of a railway vehicle17 Jun 2025US 12,330,607 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Electropneumatic trailer control module21 Jan 2025US 12,202,451 B2Zf Cv Systems Europe BV
- Air control valve assembly19 Mar 2024US 11,932,159 B2
- Systems and methods for controlling vehicle brake system compressors6 Aug 2026US 2026/0225574 A1Transportation IP Holdings, LLC
- Air supply control arrangement for a heavy-duty vehicle comprising a lift axle24 Oct 2024US 2024/0351379 A1Volvo Truck Corporation
- Systems and methods for controlling vehicle brake system compressors19 Oct 2023US 2023/0331210 A1Transportation IP Holdings, LLC
- Braking method, vehicle and medium14 Sep 2023US 2023/0286481 A1Beijing Tusen Zhitu Technology Co., Ltd.
- Air Control Valve Assembly4 May 2023US 2023/0133712 A1
Most cited
By later US patents
- Railroad freight car for carrying motor vehicles55US 5,743,192 AGunderson LLC · 1998
- Railroad freight car for carrying motor vehicles35US 5,979,335 AGunderson LLC · 1999
- Deck-edge hinge for loading bridge34US 5,794,537 AGunderson LLC · 1998
- Adaptive air brake control system32US 4,859,000 AHarris Corporation · 1989
- Railway hand brake apparatus with visual condition indicator30US 5,701,974 AWestinghouse Air Brake Company · 1997