B60M 1/28
Manufacturing or repairing trolley lines
Official title: Manufacturing or repairing trolley lines (scaffold cars B60P; B61D15/00; platforms therefor B66F11/04; manufacturing conductors in general H01B13/00; overhead lines in general H02G1/00)
B60M1/28 (Manufacturing or repairing trolley lines) appears on 75 US grants and 78 published applications in this corpus.
Search patents in B60M- Granted patents
- 75
- Published applications
- 78
- Assignees
- 51
- Inventors
- 161
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 5 |
| 2016 | 2 | 2 |
| 2017 | 2 | 4 |
| 2018 | 1 | 6 |
| 2019 | 6 | 7 |
| 2020 | 8 | 8 |
| 2021 | 5 | 2 |
| 2022 | 5 | 7 |
| 2023 | 3 | 5 |
| 2024 | 7 | 9 |
| 2025 | 10 | 2 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Trolley wire detection device and trolley wire detection system28 Apr 2026US 12,611,936 B2Beijing Jingdong Qianshi Technology Co., Ltd.
- Method and apparatus for maintaining contact between a slidable current collector and a conductor rail21 Apr 2026US 12,606,055 B2Caterpillar Inc.
- Process and system for pole and conductor installation for charging while moving13 Jan 2026US 12,522,109 B2Caterpillar Inc.
- Three-rail power supply system16 Dec 2025US 12,496,935 B2Caterpillar Inc.
- Railway vehicle provided with a pantograph and with a control system for raising/lowering such pantograph9 Sep 2025US 12,409,733 B2Hitachi Rail Sts S.P.A.
- Device for cleaning a contact line assembly2 Jul 2026US 2026/0185315 A1SSR Co., LTD
- Monitoring and maintenance system for compensated overhead contact lines11 Jun 2026US 2026/0158969 A1Fuenteblandor Holding, S.L.
- System for electrically powered aerial platforms to draw power from ground-based stations28 May 2026US 2026/0145826 A1
- Contact wire lubrication device15 Jan 2026US 2026/0014876 A1
- Railway vehicle provided with a pantograph and with a control system for raising/lowering such pantograph17 Apr 2025US 2025/0121688 A1Hitachi Rail Sts S.P.A.
Most cited
By later US patents
- Apparatus for measuring the characteristic parameters of an overhead railway or traming line24US 6,778,284 B2Tecnogamma, S.p.A. · 2004
- Catenary system measurement apparatus and method15US 5,930,904 A1999
- Wheeled, overhead wire installing apparatus14US 4,213,596 AFuji Jokogyo Kabushiki Kaisha · 1980
- Method for laying a catenary and/or a contact wire of an overhead line10US 5,114,119 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1992
- Self-propelled machine and method for laying a catenary and/or a contact wire of an overhead line9US 5,048,797 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1991