B61L 29/228
Using optical means
Official title: {using optical means}
B61L29/228 (Using optical means) appears on 8 US grants and 9 published applications in this corpus.
Search patents in B61L- Granted patents
- 8
- Published applications
- 9
- Assignees
- 8
- Inventors
- 26
- Latest grant
- 29 Oct 2024
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Recent patents
- Detecting the movement of a rail vehicle29 Oct 2024US 12,128,939 B2Bayerische Motoren Werke Aktiengesellschaft
- System and method for real-time detection of trains22 Oct 2024US 12,122,435 B2Charter Communications Operating, LLC
- System and method for monitoring a railroad grade crossing6 Aug 2024US 12,054,185 B2Siemens Mobility GmbH
- Sensor unit for detecting the approach of a train and system with said sensor unit31 Oct 2023US 11,801,878 B2Siemens Mobility GmbH
- Remote control of traffic gates24 Oct 2023US 11,794,797 B2Railway Equipment Company, Inc.
- System and method for real-time detection of trains4 Aug 2022US 2022/0242467 A1Charter Communications Operating, LLC
- Detecting the Movement of a Rail Vehicle14 Apr 2022US 2022/0111879 A1Bayerische Motoren Werke Aktiengesellschaft
- System and method for monitoring a railroad grade crossing4 Mar 2021US 2021/0061328 A1Siemens Mobility GmbH
- Remote control of traffic gates25 Feb 2021US 2021/0053597 A1Railway Equipment Company, Inc.
- Sensor unit for detecting the approach of a train and system with said sensor unit7 Jan 2021US 2021/0001900 A1Siemens Mobility GmbH
Most cited
By later US patents