B61C 9/48
With motors supported on vehicle frames and driving axles
Official title: with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
B61C9/48 (With motors supported on vehicle frames and driving axles) appears on 125 US grants and 108 published applications in this corpus.
Search patents in B61C- Granted patents
- 125
- Published applications
- 108
- Assignees
- 77
- Inventors
- 326
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 6 |
| 2013 | 1 | 2 |
| 2014 | 4 | 5 |
| 2015 | 3 | 3 |
| 2016 | 3 | 10 |
| 2017 | 4 | 7 |
| 2018 | 7 | 4 |
| 2019 | 3 | 11 |
| 2020 | 3 | 10 |
| 2021 | 9 | 1 |
| 2022 | 8 | 11 |
| 2023 | 6 | 8 |
| 2024 | 7 | 3 |
| 2025 | 5 | 6 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bogie for a light rail system25 Aug 2026US 12,715,309 B2The Council of the City of Coventry Council House
- Rail vehicle comprising an energy storage system having an energy storage device and a transformer, a method of operating such a rail vehicle, and a method of assembling a train composition comprising a rail vehicle carriage4 Aug 2026US 12,697,882 B2Stadler Rail AG
- Self-contained power source for railcars28 Jul 2026US 12,691,913 B2Intramotev Inc.
- Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevator12 May 2026US 12,628,405 B2Kabushiki Kaisha Toshiba
- Bogie and vehicle28 Apr 2026US 12,612,085 B2Mitsubishi Heavy Industries, Ltd.
- Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevator13 Aug 2026US 2026/0239708 A1Kabushiki Kaisha Toshiba
- Rail Vehicle and Running Gear for the Rail Vehicle28 May 2026US 2026/0145713 A1Siemens Mobility Austria GmbH
- Traction system of a hydrogen-electric locomotive and an energy transfer method14 May 2026US 2026/0131830 A1Korea Railroad Research Institute
- Semiconductor device, inverter circuit, driving device, vehicle, and elevator19 Mar 2026US 2026/0082671 A1Kabushiki Kaisha Toshiba
- Full-gear four-way shuttle and a working method thereof26 Feb 2026US 2026/0054923 A1Bullseye Intelligent Logistics Equipment (Suzhou) Co., Ltd.
Most cited
By later US patents
- Method for setting the axial end play of tapered roller bearings69US 5,129,156 AGeneral Electric Company · 1992
- Totally-enclosed traction motor for electric railcar36US 5,789,833 AKabushiki Kaisha Toshiba · 1998
- Traction bogie for a rail vehicle21US 4,787,318 ASchweizerische Lokomotiv-und Maschinenfabrik · 1988
- Dynamo-electric machine having a rotor with first and second axially or rotationally displaceable field magnets18US 6,975,055 B2Hitachi, Ltd. · 2005
- Motorized railway vehicles16US 4,170,945 AMaschinenfabrik Augsburg-Nurnberg Aktiengesellschaft · 1979