Fluid control device and method
US-12594971-B2 · Apr 7, 2026 · US
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Preventing wheel slippage (adjusting wheel-braking force to prevent wheel slippage B60T8/00 {; removing undesirable matter from the permanent way of railways E01H8/00})
Preventing wheel slippage (adjusting wheel-braking force to prevent wheel slippage B60T8/00 {; removing undesirable matter from the permanent way of railways E01H8/00}) · 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 | B61C15/08 |
| Official title | Preventing wheel slippage (adjusting wheel-braking force to prevent wheel slippage B60T8/00 {; removing undesirable matter from the permanent way of railways E01H8/00}) |
| Display label | Preventing wheel slippage (adjusting wheel-braking force to prevent wheel slippage B60T8/00 {; removing undesirable matter from the permanent way of railways E01H8/00}) |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for traction
US-12528519-B2 · Jan 20, 2026 · US
Grade adjusted compensation for slip or slide condition
US-11724725-B2 · Aug 15, 2023 · US
Systems and methods for traction
US-2023182785-A1 · Jun 15, 2023 · US
Fluid control device and method
US-2023035126-A1 · Feb 2, 2023 · US
Vehicle control system
US-11485393-B2 · Nov 1, 2022 · US
Grade adjusted compensation for slip or slide condition
US-2022234633-A1 · Jul 28, 2022 · US
Systems and method for a traction system
US-11198453-B2 · Dec 14, 2021 · US
Vehicle control system
US-2021284110-A1 · Sep 16, 2021 · US
System and method for determining effectiveness of a friction modifier along a route segment
US-10814856-B2 · Oct 27, 2020 · US
Friction apparatus
US-10662588-B2 · May 26, 2020 · US
Vehicle control system
US-2020047781-A1 · Feb 13, 2020 · US
Systems and method for a traction system
US-2019054930-A1 · Feb 21, 2019 · US
Systems and method for a traction system
US-10106177-B2 · Oct 23, 2018 · US
Traction loss warning system and method
US-10046766-B2 · Aug 14, 2018 · US
Consist adhesion level control system for locomotives
US-10029704-B2 · Jul 24, 2018 · US
Friction apparatus
US-2018148897-A1 · May 31, 2018 · US
Consist Adhesion Level Control System for Locomotives
US-2018037237-A1 · Feb 8, 2018 · US
Traction loss warning system and method
US-2017361850-A1 · Dec 21, 2017 · US
System and method for determining effectiveness of a friction modifier along a route segment
US-2017334418-A1 · Nov 23, 2017 · US