B60L 5/38
Current collectors for power supply lines of electrically-propelled vehicles: for collecting current
Official title: for collecting current from conductor rails (B60L5/40 takes precedence)
B60L5/38 (Current collectors for power supply lines of electrically-propelled vehicles: for collecting current) appears on 178 US grants and 212 published applications in this corpus.
Search patents in B60L- Granted patents
- 178
- Published applications
- 212
- Assignees
- 125
- Inventors
- 390
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 4 | 4 |
| 2014 | 3 | 4 |
| 2015 | 2 | 3 |
| 2016 | 2 | 9 |
| 2017 | 10 | 14 |
| 2018 | 10 | 19 |
| 2019 | 13 | 21 |
| 2020 | 12 | 16 |
| 2021 | 11 | 9 |
| 2022 | 8 | 15 |
| 2023 | 17 | 28 |
| 2024 | 18 | 20 |
| 2025 | 13 | 26 |
| 2026 | 19 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid control system15 Sep 2026US 12,734,894 B2Caterpillar Inc.
- Insulated feed-through connector8 Sep 2026US 12,728,728 B2Progress Rail Locomotive Inc.
- Pivoting boom structure for dynamic energy transfer system4 Aug 2026US 12,697,881 B2Caterpillar Inc.
- 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
- Underground mine energy management system4 Aug 2026US 12,697,896 B2Caterpillar Inc.
- Relocatable base for elevated power rails and method of deployment9 Jul 2026US 2026/0192706 A1Caterpillar Global Mining Equipment LLC
- Energy transmission and communications system with remote communications interface9 Jul 2026US 2026/0192707 A1Conductix, Inc.
- Guidance system for alignment with a power source18 Jun 2026US 2026/0167007 A1Caterpillar Global Mining Equipment LLC
- Rail connector assembly for dynamic energy transfer system11 Jun 2026US 2026/0158929 A1Caterpillar Inc.
- Connector for dynamic energy transfer system21 May 2026US 2026/0139711 A1Caterpillar Inc.
Most cited
By later US patents
- Electrical vehicle transportation system37US 5,464,082 A1995
- Drone routing combining autonomous flight and assist vehicle travel21US 11,738,867 B22023
- Equipment mounting structure for inside bearing railway car trucks21US 4,546,706 ALukens General Industries, Inc. · 1985
- Intelligent POD management and transport19US 10,150,524 B22018
- Automated infrastructure delivery system16US 8,457,808 B22013