B60M 1/13
Trolley wires
B60M1/13 (Trolley wires) appears on 17 US grants and 16 published applications in this corpus.
Search patents in B60M- Granted patents
- 17
- Published applications
- 16
- Assignees
- 16
- Inventors
- 57
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 6 |
| 2020 | 2 | 0 |
| 2021 | 3 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Trolley wire detection device and trolley wire detection system28 Apr 2026US 12,611,936 B2Beijing Jingdong Qianshi Technology Co., Ltd.
- Earth wire including composite core and encapsulation layer and method of use thereof19 Aug 2025US 12,394,961 B2TS Conductor Corp.
- Braking recovery system and method for train, and train11 Oct 2022US 11,465,508 B2BYD Company Limited
- Railway equipment inspecting and measuring apparatus, and railway equipment inspecting and measuring method22 Jun 2021US 11,044,838 B2Hitachi High-Tech Fine Systems Corporation
- Off-grid, utility-scale power transmission system via train15 Jun 2021US 11,034,261 B2
- Earth wire including composite core and encapsulation layer and method of use thereof30 Apr 2026US 2026/0121388 A1TS Conductor Corp.
- Overhead line system with a skewed parallel zone7 Nov 2024US 2024/0367555 A1Siemens Mobility GmbH
- Earth wire including composite core and encapsulation layer and method of use thereof7 Mar 2024US 2024/0079861 A1TS Conductor Corp.
- Trolley wire detection device and trolley wire detection system17 Aug 2023US 2023/0256830 A1Beijing Jingdong Qianshi Technology Co., Ltd.
- Overhead line system10 Nov 2022US 2022/0355706 A1Brecknell, Willis & Co. Ltd.
Most cited
By later US patents
- Overhead rigid power conductor12US 3,985,211 A1976
- Method for contact conductor for electric vehicles7US 4,861,388 AAlcan International Limited · 1989
- Method for manufacturing high-conductivity copper-clad steel trolley wire7US 5,087,300 AFujikura Ltd. · 1992
- Copper trolley wire and a method of manufacturing copper trolley wire6US 6,077,364 APhelps Dodge Industries, Inc. · 2000
- Off-grid, utility-scale power transmission system via train4US 11,034,261 B22021