Bogie with improved secondary suspension system, and railway vehicle comprising such bogie
US-2024124034-A1 · Apr 18, 2024 · US
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incorporating rubber springs
incorporating rubber springs · 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 | B61F5/08 |
| Official title | incorporating rubber springs |
| Display label | incorporating rubber springs |
| Total patents | 24 |
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 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bogie for railway vehicle
US-2022266877-A1 · Aug 25, 2022 · US
Suspension system, bogie assembly with same, and rail vehicle
US-11414106-B2 · Aug 16, 2022 · US
Suspension system, bogie assembly with same, and rail vehicle
US-2021309267-A1 · Oct 7, 2021 · US
Elastic bushing device of traction device and railcar bogie
US-2020385032-A1 · Dec 10, 2020 · US
Railway truck with elastomeric suspension
US-10597049-B2 · Mar 24, 2020 · US
Spring cup for a primary suspension of a rail vehicle
US-10421466-B2 · Sep 24, 2019 · US
Vehicle body connecting seat and suspension system with same
US-2019232834-A1 · Aug 1, 2019 · US
Secondary spring having an integrated transverse stop
US-10322731-B2 · Jun 18, 2019 · US
Spring lock for secondary spring
US-10279820-B2 · May 7, 2019 · US
Railway truck with elastomeric suspension
US-2019100223-A1 · Apr 4, 2019 · US
Motorized bogie for a low floor railway vehicle
US-10065662-B2 · Sep 4, 2018 · US
Spring Cup for A Primary Suspension of a Rail Vehicle
US-2017334467-A1 · Nov 23, 2017 · US
Device for transmitting a force between the chassis and body of a rail vehicle
US-9694831-B2 · Jul 4, 2017 · US
Secondary spring having an integrated transverse stop
US-2017001651-A1 · Jan 5, 2017 · US
Air spring for railroad car
US-9517781-B2 · Dec 13, 2016 · US
Spring device for a rail vehicle
US-9440663-B2 · Sep 13, 2016 · US
Motorized bogie for a low floor railway vehicle
US-2016167681-A1 · Jun 16, 2016 · US
Railway truck having bolster-suspended traction motor
US-9302685-B2 · Apr 5, 2016 · US
Railway truck having bolster-suspended traction motor
US-2015210298-A1 · Jul 30, 2015 · US