E01B 7/00
Switches
Official title: Switches; Crossings (operating mechanisms B61L)
E01B7/00 (Switches) appears on 356 US grants and 264 published applications in this corpus.
Search patents in E01B- Granted patents
- 356
- Published applications
- 264
- Assignees
- 219
- Inventors
- 607
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 1 |
| 2002 | 3 | 6 |
| 2003 | 7 | 4 |
| 2004 | 6 | 10 |
| 2005 | 3 | 8 |
| 2006 | 8 | 6 |
| 2007 | 4 | 9 |
| 2008 | 1 | 6 |
| 2009 | 2 | 5 |
| 2010 | 5 | 7 |
| 2011 | 4 | 6 |
| 2012 | 6 | 8 |
| 2013 | 9 | 19 |
| 2014 | 19 | 18 |
| 2015 | 11 | 9 |
| 2016 | 13 | 16 |
| 2017 | 5 | 11 |
| 2018 | 11 | 14 |
| 2019 | 8 | 15 |
| 2020 | 14 | 17 |
| 2021 | 10 | 15 |
| 2022 | 14 | 11 |
| 2023 | 10 | 16 |
| 2024 | 8 | 9 |
| 2025 | 13 | 9 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electromagnet switch for shuttles on a track6 Oct 2026US 12,752,824 B1Amazon Technologies, Inc.
- Carrier lift locking structure and locking method to prevent lift deflection during carrier movement11 Aug 2026US 12,703,948 B2Mplus Co., Ltd.
- Track switch28 Jul 2026US 12,692,665 B2Bridge and Track Crane LLC
- Article transport facility28 Jul 2026US 12,692,666 B2Daifuku Co., Ltd.
- Method for reprofiling at least one switch blade in points laid in a railway track26 May 2026US 12,637,813 B2MATE GmbH
- Track system, shuttle car system and dispensing system8 Oct 2026US 2026/0307900 A1Beijing Jingdong Qianshi Technology Co., Ltd.
- Chair plate switch rail actuator (point machine)10 Sep 2026US 2026/0264726 A1Siemens Mobility Pty Ltd.
- Rail switch heating peak current mitigation18 Jun 2026US 2026/0173216 A1
- Railway Switch Rod Support Assembly9 Apr 2026US 2026/0098386 A1voestalpine Railway Systems Nortrak LLC
- Method and apparatus for securing a railroad switch2 Apr 2026US 2026/0092414 A1
Most cited
By later US patents
- Railroad switch heater34US 4,391,425 A1983
- Rail track heaters33US 4,429,845 AEmerson Electric Co. · 1984
- Bolt-nut assembly for railroad crossing frogs24US 5,413,442 ABarnes Group Inc. · 1995
- Rail heating apparatus23US 5,004,190 ABylin Heating Systems, Inc. · 1991
- Rail guided vehicle system22US 8,978,562 B2Murata Machinery, Ltd. · 2015