Vehicle control system
US-12286145-B2 · Apr 29, 2025 · US
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Optical
Optical · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61L1/166 |
| Official title | {Optical} |
| Display label | Optical |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Distributed fibre optic sensing
US-11867541-B2 · Jan 9, 2024 · US
Traffic event detection apparatus, traffic event detection system, method and computer readable medium
US-2023419822-A1 · Dec 28, 2023 · US
Vehicle control system
US-2022315074-A1 · Oct 6, 2022 · US
Railroad monitoring system, railroad monitoring device, railroad monitoring method, and non-transitory computer-readable medium
US-2022032981-A1 · Feb 3, 2022 · US
Optic fibre sensing
US-10928546-B2 · Feb 23, 2021 · US
Distributed Fibre Optic Sensing
US-2020172130-A1 · Jun 4, 2020 · US
Train detector for embedded rail
US-2020111360-A1 · Apr 9, 2020 · US
Train detection system for a railway track section, associated railway track section, and associated method for detecting presence of a railway vehicle on a track section
US-10614708-B1 · Apr 7, 2020 · US
Optic Fibre Sensing
US-2018267201-A1 · Sep 20, 2018 · US
Monitoring transport network infrastructure
US-9561812-B2 · Feb 7, 2017 · US
Method and apparatus for locating rail vehicles
US-9457819-B2 · Oct 4, 2016 · US
Method and apparatus for locating rail vehicles
US-2015166087-A1 · Jun 18, 2015 · US
Monitoring Transport Network Infrastructure
US-2015013465-A1 · Jan 15, 2015 · US
Detecting Train Separation
US-2015000415-A1 · Jan 1, 2015 · US