Rubber bushing for railroad trucks
US-12454292-B2 · Oct 28, 2025 · US
Covers; Sealing thereof
Covers; Sealing thereof · 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 | B61F15/26 |
| Official title | Covers; Sealing thereof |
| Display label | Covers; Sealing thereof |
| Total patents | 29 |
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 | 4 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 2 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ballistic protection arrangement for vehicles
US-11597415-B2 · Mar 7, 2023 · US
Adapter assembly of generator and axle-end generator assembly
US-11584401-B2 · Feb 21, 2023 · US
Rubber bushing for railroad trucks
US-2023001964-A1 · Jan 5, 2023 · US
Adapter assembly of generator and axle-end generator assembly
US-2021323586-A1 · Oct 21, 2021 · US
Ballistic Protection Arrangement for Vehicles
US-2021122400-A1 · Apr 29, 2021 · US
Axle box for a railway vehicle
US-2020307657-A1 · Oct 1, 2020 · US
Axlebox for a railway vehicle
US-10752266-B2 · Aug 25, 2020 · US
Generator system for rail vehicles
US-10703392-B2 · Jul 7, 2020 · US
Covering system for wheelset shafts of rail vehicles
US-2020198667-A1 · Jun 25, 2020 · US
Axlebox for a railway vehicle bogie and railway bogie equipped with such an axlebox
US-10604167-B2 · Mar 31, 2020 · US
Railcar adapter for connecting a railcar body to a bearing
US-10576999-B2 · Mar 3, 2020 · US
End stop cap for a rolling bearing
US-10539188-B2 · Jan 21, 2020 · US
Self-supplied device for a logistic/diagnostic monitoring for railway vehicles
US-2019329804-A1 · Oct 31, 2019 · US
End stop cap for a rolling bearing
US-2019085904-A1 · Mar 21, 2019 · US
Railway vehicle and axle box structure thereof
US-10196075-B2 · Feb 5, 2019 · US
Axlebox for a railway vehicle
US-2018339717-A1 · Nov 29, 2018 · US
Generator system for rail vehicles
US-2018297614-A1 · Oct 18, 2018 · US
Wheel axle comprising at least two protection devices
US-10081375-B2 · Sep 25, 2018 · US
Railway vehicle and axle box structure thereof
US-2018170410-A1 · Jun 21, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61F15/26?
- CPC B61F15/26 is the Cooperative Patent Classification code for “Covers; Sealing thereof.”
- How many patents are filed under CPC B61F15/26 (Covers; Sealing thereof)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B61F15/26 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2025 (latest complete years).