B61L 5/102
Controlling electrically
Official title: {Controlling electrically}
B61L5/102 (Controlling electrically) appears on 12 US grants and 13 published applications in this corpus.
Search patents in B61L- Granted patents
- 12
- Published applications
- 13
- Assignees
- 13
- Inventors
- 44
- Latest grant
- 23 Apr 2024
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| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 4 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Switch devices and methods for moving switch rails23 Apr 2024US 11,964,686 B2Precision Rail and Mfg., Inc.
- Railroad equipment state determination apparatus and railroad equipment state determination method30 Jan 2024US 11,884,313 B2Kyosan Electric Mfg. Co., Ltd.
- Method and apparatus for vehicle-based switch locking in a rail network3 Oct 2023US 11,772,692 B2Westinghouse Air Brake Technologies Corporation
- Railroad switch circuit controller assembly16 Aug 2022US 11,414,108 B2L&W Industries, LLC
- Method and electronic system for detecting rail switch degradation and failures30 Nov 2021US 11,186,304 B2Alstom Transport Technologies
- Railway control and field device switching system25 Jun 2026US 2026/0181046 A1Hitachi Rail Sts USA, Inc.
- Switch devices and methods for moving switch rails1 Dec 2022US 2022/0379934 A1Precision Rail and Mfg., Inc.
- Railroad equipment state determination apparatus and railroad equipment state determination method3 Dec 2020US 2020/0377132 A1Kyosan Electric Mfg. Co., Ltd.
- Railroad switch circuit controller assembly11 Jun 2020US 2020/0180666 A1L&W Industries, LLC
- Method and Apparatus for Vehicle-Based Switch Locking in a Rail Network4 Jun 2020US 2020/0172131 A1Westinghouse Air Brake Technologies Corporation
Most cited
By later US patents
- Proximity detection and communication mechanism and method32US 7,577,502 B1A & J Industries, Inc. · 2009
- Hydraulic switch machine for railroads3US 9,156,479 B22015
- Key lock and arrangement having a key lock1US 9,090,269 B2Siemens Aktiengesellschaft · 2015
- Switch monitoring and railway line management1US 9,284,692 B2International Business Machines Corporation · 2016
- Hydraulic switch machine for railroads1US RE48,026 E1Vossloh Signaling USA, Inc. · 2020