Method for mixed operation of a section of railroad line with switch, and section of line and switch
US-11834084-B2 · Dec 5, 2023 · US
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Arrangements for interlocking between points and signals by means of a single interlocking device {, e.g. central control}
Arrangements for interlocking between points and signals by means of a single interlocking device {, e.g. central control} · 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 | B61L19/00 |
| Official title | Arrangements for interlocking between points and signals by means of a single interlocking device {, e.g. central control} |
| Display label | Arrangements for interlocking between points and signals by means of a single interlocking device {, e.g. central control} |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transportation system
US-11772914-B2 · Oct 3, 2023 · US
Exclusive track resource sharing system
US-11731675-B2 · Aug 22, 2023 · US
Transportation system
US-2022106136-A1 · Apr 7, 2022 · US
Exclusive track resource sharing system
US-2021362757-A1 · Nov 25, 2021 · US
Transportation system
US-2021253379-A1 · Aug 19, 2021 · US
Method for mixed operation of a section of railroad line with switch, and section of line and switch
US-2020307663-A1 · Oct 1, 2020 · US
Transportation system
US-2019300301-A1 · Oct 3, 2019 · US
Transportation system
US-10370204-B2 · Aug 6, 2019 · US
Transportation system
US-10093493-B2 · Oct 9, 2018 · US
Transportation system
US-9718630-B2 · Aug 1, 2017 · US
Transportation system
US-9604798-B2 · Mar 28, 2017 · US
Transportation system
US-9517901-B2 · Dec 13, 2016 · US
Transportation system
US-9511959-B2 · Dec 6, 2016 · US
Transportation system
US-2016229418-A1 · Aug 11, 2016 · US
Transportation system
US-2016229419-A1 · Aug 11, 2016 · US
Transportation system
US-2016229416-A1 · Aug 11, 2016 · US
Transportation system
US-2016229417-A1 · Aug 11, 2016 · US
Transportation system
US-2016230350-A1 · Aug 11, 2016 · US
Transportation system
US-2016229646-A1 · Aug 11, 2016 · US