B60L 5/205
With carbon contact members
Official title: {with carbon contact members}
B60L5/205 (With carbon contact members) appears on 28 US grants and 19 published applications in this corpus.
Search patents in B60L- Granted patents
- 28
- Published applications
- 19
- Assignees
- 26
- Inventors
- 73
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 4 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Drive system for a pantograph, and method for raising or lowering4 Nov 2025US 12,459,367 B2Schunk Transit Systems GmbH
- Current collector for a rail vehicle22 Apr 2025US 12,280,677 B2Siemens Mobility GmbH
- Device for fastening a sliding element to a current collector2 Jan 2024US 11,858,358 B2Pantrac GmbH
- Contact unit for supplying vehicles with power and related method20 Dec 2022US 11,532,444 B2Schunk Carbon Technology GmbH
- Optical monitoring system12 Jul 2022US 11,385,110 B2City, University of London
- Drive system for a pantograph, and method for raising or lowering12 Jan 2023US 2023/0010860 A1Schunk Transit Systems GmbH
- Current collector for a rail vehicle22 Sep 2022US 2022/0297543 A1Siemens Mobility GmbH
- Graphene copper pantograph pan material for high-speed trains and preparation method thereof26 Aug 2021US 2021/0262076 A1Northeastern University
- Device for Fastening a Sliding Element to a Current Collector10 Jun 2021US 2021/0170876 A1Pantrac GmbH
- Optical monitoring system20 Feb 2020US 2020/0055401 A1City, University of London
Most cited
By later US patents
- Intercalated graphite containing electrical motor brushes and other contacts21US 4,799,957 AIntercal Company · 1989
- Titanium-and copper-containing carbon composite material and process for the production thereof12US 6,183,667 B2Across Co., Ltd. · 2001
- Current collector holder for a carbon shoe8US 5,351,794 A1994
- Carbon friction strip with a damage detection facility7US 5,176,230 ALe Carbone Lorraine · 1993
- Collector shoe for collector and process for producing it7US 6,009,987 AHoffman & Co. Elektrokohle GmbH · 2000