B60L 9/08
Fed from ac supply lines
Official title: fed from AC supply lines
B60L9/08 (Fed from ac supply lines) appears on 42 US grants and 30 published applications in this corpus.
Search patents in B60L- Granted patents
- 42
- Published applications
- 30
- Assignees
- 30
- Inventors
- 114
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 3 | 6 |
| 2015 | 3 | 2 |
| 2016 | 3 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 4 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power supply of a detection unit22 Sep 2026US 12,741,546 B2Schunk Transit Systems GmbH
- Non-contact power supply system and transport system13 Jan 2026US 12,525,787 B2Murata Machinery, Ltd.
- Power supply apparatus2 Sep 2025US 12,403,773 B2Daifuku Co., Ltd.
- Vehicle control system and method1 Jul 2025US 12,344,128 B2Transportation IP Holdings, LLC
- Traction assembly including a locomotive and a tender and associated method19 Nov 2024US 12,145,634 B2Alstom Transport Technologies
- Power supply of a detection unit13 Mar 2025US 2025/0083531 A1Schunk Transit Systems GmbH
- Non-contact power supply system and transport system20 Feb 2025US 2025/0062607 A1Murata Machinery, Ltd.
- Power Supply Apparatus15 Feb 2024US 2024/0051401 A1Daifuku Co., Ltd.
- Voltage control method and apparatus, system, and maglev train30 Nov 2023US 2023/0382235 A1Crrc Qingdao Sifang Co., Ltd.
- 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 carriage3 Aug 2023US 2023/0241979 A1Stadler Rail AG
Most cited
By later US patents
- Autonomous vehicle for working on a surface and method of controlling same320US 4,962,453 ATransitions Research Corporation · 1990
- Variable speed AC electric drive vehicle64US 5,293,947 AWagner Mining and Construction Equipment Co. · 1994
- Method for monitoring and controlling locomotives35US 7,124,691 B2Railpower Technologies Corp. · 2006
- A.C. - D.C. power converter for D.C. load17US 3,940,680 AHitachi, Ltd. · 1976
- Field boost arrangement for separately excited D-C traction motors of a vehicle propulsion system12US 4,012,680 AGeneral Electric Company · 1977