Railway truck assembly having compressible side bearings
US-11613281-B2 · Mar 28, 2023 · US
comprising fluid damping devices (B61F5/146 takes precedence) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61F5/144 |
| Official title | {comprising fluid damping devices (B61F5/146 takes precedence)} |
| Display label | comprising fluid damping devices (B61F5/146 takes precedence) |
| Total patents | 13 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11613281-B2 · Mar 28, 2023 · US
US-11459001-B2 · Oct 4, 2022 · US
US-2022126890-A1 · Apr 28, 2022 · US
US-11161529-B2 · Nov 2, 2021 · US
US-2021031814-A1 · Feb 4, 2021 · US
US-10829132-B2 · Nov 10, 2020 · US
US-2020130714-A1 · Apr 30, 2020 · US
US-2019315380-A1 · Oct 17, 2019 · US
US-2019054933-A1 · Feb 21, 2019 · US
US-2017297591-A1 · Oct 19, 2017 · US
US-9555817-B2 · Jan 31, 2017 · US
US-9387865-B2 · Jul 12, 2016 · US
US-2015122145-A1 · May 7, 2015 · US