B61C 9/52
With transmission shafts at an angle to the driving axles
Official title: with transmission shafts at an angle to the driving axles
B61C9/52 (With transmission shafts at an angle to the driving axles) appears on 27 US grants and 14 published applications in this corpus.
Search patents in B61C- Granted patents
- 27
- Published applications
- 14
- Assignees
- 21
- Inventors
- 56
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Track travelling device11 Nov 2025US 12,466,449 B2Jingdong Technology Information Technology Co., Ltd.
- Bogie framework of rail vehicle and bogie3 Jun 2025US 12,319,322 B2Crrc Qingdao Sifang Co., Ltd.
- Plug-in coupling for drives11 Apr 2023US 11,623,666 B2Siemens Mobility GmbH
- Compact drive unit for traction vehicles25 Jan 2022US 11,233,440 B2Wikov MGI A.S.
- Double axle drive29 Jun 2021US 11,046,337 B2Siemens Mobility GmbH
- Track travelling device22 Dec 2022US 2022/0402531 A1Jingdong Technology Information Technology Co., Ltd.
- Bogie framework of rail vehicle and bogie7 Jul 2022US 2022/0212696 A1Crrc Qingdao Sifang Co., Ltd.
- Plug-in coupling for drives27 Aug 2020US 2020/0269883 A1Siemens Mobility GmbH
- Thread-reinforced joint device and coupling device for a vehicle drive14 Nov 2019US 2019/0345985 A1Siemens Mobility GmbH
- Compact drive unit for traction vehicles17 Oct 2019US 2019/0319512 A1Wikov MGI A.S.
Most cited
By later US patents
- Railway vehicle drive16US 4,148,262 ACarl Hurth Maschinen- und Zahnradfabrik GmbH & Co. · 1979
- Truck for low-platform cars13US 5,372,073 ASchindler Waggon AG · 1994
- Dual axle railway driving truck11US 4,130,065 ASiemens Aktiengesellschaft · 1978
- Motor bogie for a vehicle having an integral low-slung floor11US 6,601,520 B2Alstom · 2003
- Multi-unit rail vehicle for commuter traffic10US 4,867,072 AMAN Gutehoffnungshutte Aktiengesellschaft · 1989