B60L 9/24
Fed from ac supply lines
Official title: fed from AC supply lines
B60L9/24 (Fed from ac supply lines) appears on 124 US grants and 133 published applications in this corpus.
Search patents in B60L- Granted patents
- 124
- Published applications
- 133
- Assignees
- 59
- Inventors
- 267
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 5 |
| 2011 | 1 | 7 |
| 2012 | 2 | 6 |
| 2013 | 4 | 6 |
| 2014 | 9 | 20 |
| 2015 | 11 | 14 |
| 2016 | 12 | 8 |
| 2017 | 10 | 14 |
| 2018 | 11 | 8 |
| 2019 | 12 | 9 |
| 2020 | 9 | 6 |
| 2021 | 8 | 4 |
| 2022 | 5 | 8 |
| 2023 | 3 | 4 |
| 2024 | 3 | 4 |
| 2025 | 5 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drive device for railway vehicle10 Feb 2026US 12,545,120 B2Mitsubishi Electric Corporation
- Inter-floor transport system27 Jan 2026US 12,534,343 B2Samsung Electronics Co., Ltd.
- Non-contact power supply system and transport system13 Jan 2026US 12,525,787 B2Murata Machinery, Ltd.
- Non-contact power supply system and transportation system6 Jan 2026US 12,515,562 B2Murata Machinery, Ltd.
- Electric traction system18 Nov 2025US 12,476,570 B2Crrc Zhuzhou Institute Co., Ltd.
- Electric traction system19 Feb 2026US 2026/0051836 A1Crrc Zhuzhou Institute Co., Ltd.
- 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.
- Drive device for railway vehicle17 Oct 2024US 2024/0343121 A1Mitsubishi Electric Corporation
- Inter-floor transport system3 Oct 2024US 2024/0327168 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Self-guided mobile unit and cleaning apparatus such as a vacuum cleaner comprising such a unit121US 5,012,886 A1991
- Traffic/transportation system121US 6,129,025 A2000
- Automatic vacuum cleaner47US 5,095,577 AAzurtec · 1992
- Free wheel diode arrangement for neutral point clamped electric power conversion apparatus39US 5,638,266 AHitachi, Ltd. · 1997
- Apparatus and method for rapid charging using shared power electronics32US 8,698,451 B2General Electric Company · 2014