Rubber bushing for railroad trucks
US-12454292-B2 · Oct 28, 2025 · US
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with journal bearings
with journal bearings · 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 | B61F15/02 |
| Official title | with journal bearings |
| Display label | with journal bearings |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rubber bushing for railroad trucks
US-2023001964-A1 · Jan 5, 2023 · US
Railcar adapter for connecting a railcar body to a bearing
US-10960903-B2 · Mar 30, 2021 · US
Axle box suspension of railcar bogie and method of producing the same
US-10906565-B2 · Feb 2, 2021 · US
Axle box for a railway vehicle
US-2020307657-A1 · Oct 1, 2020 · US
Railcar adapter for connecting a railcar body to a bearing
US-10576999-B2 · Mar 3, 2020 · US
Railway condition monitoring sensor device and method for monitoring the condition of a railway bearing
US-10527521-B2 · Jan 7, 2020 · US
Railcar adapter for connecting a railcar body to a bearing
US-2019367052-A1 · Dec 5, 2019 · US
Axle roller bearing seal shroud
US-10330156-B2 · Jun 25, 2019 · US
Railway axlebox bearing assembly with mounting surface
US-10279821-B2 · May 7, 2019 · US
Axle roller bearing seal shroud
US-2019048935-A1 · Feb 14, 2019 · US
Axle box suspension of railcar bogie and method of producing the same
US-2019009798-A1 · Jan 10, 2019 · US
Plain bearing arrangement for a shaft loaded with a circumferential radial force
US-10125817-B2 · Nov 13, 2018 · US
Plain bearing arrangement for a shaft loaded with a circumferential radial force
US-2018010636-A1 · Jan 11, 2018 · US
Backing ring assembly for railcar axle bearings
US-9789887-B2 · Oct 17, 2017 · US
Railway axlebox bearing assembly with mounting surface
US-2017217453-A1 · Aug 3, 2017 · US
Railway condition monitoring sensor device and method for monitoring the condition of a railway bearing
US-2017199101-A1 · Jul 13, 2017 · US
Railcar adapter for connecting a railcar body to a bearing
US-2017137041-A1 · May 18, 2017 · US
Backing Ring Assembly for Railcar Axle Bearings
US-2016355196-A1 · Dec 8, 2016 · US
Railway axlebox assembly and railway axlebox including the same
US-9481379-B2 · Nov 1, 2016 · US