B60M 1/18
Section insulators
Official title: Section insulators; Section switches
B60M1/18 (Section insulators) appears on 36 US grants and 22 published applications in this corpus.
Search patents in B60M- Granted patents
- 36
- Published applications
- 22
- Assignees
- 24
- Inventors
- 81
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 3 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 3 |
| 2021 | 4 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Insulating support assembly for a catenary adapted for powering an electrical vehicle, notably a tram or a trolleybus, and related catenary3 Jun 2025US 12,319,173 B2ALSTOM Holdings
- Current collector, conductor line and conductor line system10 Dec 2024US 12,162,365 B2Conductix-Wampfler GmbH
- Systems and methods for controlled traversal of phase breaks18 Jul 2023US 11,701,970 B2Westinghouse Air Brake Technologies Corporation
- Residual load circuit breaker5 Oct 2021US 11,139,123 B2Walter Kraus GmbH
- Section insulator for an overhead contact line1 Jun 2021US 11,021,080 B2Alstom Transport Technologies
- Systems and methods for controlled traversal of phase breaks21 Sep 2023US 2023/0294747 A1Transportation IP Holdings, LLC
- Current collector, conductor line and conductor line system23 Dec 2021US 2021/0394619 A1Conductix-Wampfler GmbH
- Insulating support assembly for a catenary adapted for powering an electrical vehicle, notably a tram or a trolleybus, and related catenary16 Dec 2021US 2021/0387549 A1Alstom Transport Technologies
- Systems and methods for controlled traversal of phase breaks24 Jun 2021US 2021/0188224 A1Westinghouse Air Brake Technologies Corporation
- Residual load circuit breaker26 Nov 2020US 2020/0373096 A1Walter Kraus GmbH
Most cited
By later US patents
- Section insulators of electric traction systems13US 3,952,848 ABICC Limited · 1976
- Phase break-section insulator devices of high tensile strength8US 4,424,889 A1984
- Section insulator for catenary systems6US 4,250,982 AHarvey Hubbell Incorporated · 1981
- Alternating current feeder system for trolley-assisted dump trucks6US 4,471,231 AKabushiki Kaisha Komatsu Seisakusho · 1984
- Section insulator for catenary systems5US 4,187,934 AHarvey Hubbell Incorporated · 1980