B60L 5/20
Details of contact bow
B60L5/20 (Details of contact bow) appears on 56 US grants and 53 published applications in this corpus.
Search patents in B60L- Granted patents
- 56
- Published applications
- 53
- Assignees
- 53
- Inventors
- 169
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 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 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 6 |
| 2014 | 0 | 3 |
| 2015 | 7 | 3 |
| 2016 | 2 | 4 |
| 2017 | 2 | 1 |
| 2018 | 4 | 0 |
| 2019 | 0 | 5 |
| 2020 | 3 | 8 |
| 2021 | 1 | 7 |
| 2022 | 5 | 2 |
| 2023 | 3 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Haul truck with modular drive system25 Aug 2026US 12,715,421 B2Flanders Electric Motor Service, Inc.
- 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
- Traction assembly including a locomotive and a tender and associated method19 Nov 2024US 12,145,634 B2Alstom Transport Technologies
- Device for fastening a sliding element to a current collector2 Jan 2024US 11,858,358 B2Pantrac GmbH
- Haul truck with modular drive system17 Sep 2026US 2026/0274242 A1Flanders Electric Motor Service, Inc.
- Measuring system for measuring a state of wear of a contact element10 Sep 2026US 2026/0266591 A1
- Movement control system for an electricity-conducting connector assembly of a mobile machine25 Jun 2026US 2026/0175697 A1Caterpillar Inc.
- System for inductively transferring power and data6 Nov 2025US 2025/0340124 A1Telemattica Corporation Pty Ltd
- Mechanical haul truck hybrid system10 Oct 2024US 2024/0336145 A1Flanders Electric Motor Service, Inc.
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
- Surface plasma actuator8US 9,951,800 B2National Institute of Advanced Industrial Science and Technology · 2018
- Composite collector7US 4,084,669 AHitachi, Ltd. · 1978