Multi-dimensional bogie and track system
US-11439921-B2 · Sep 13, 2022 · US
Switches (turntables B60S, B61J); Portable switches; Turnouts · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E01B23/06 |
| Official title | Switches (turntables B60S, B61J); Portable switches; Turnouts |
| Display label | Switches (turntables B60S, B61J); Portable switches; Turnouts |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 2 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11439921-B2 · Sep 13, 2022 · US
US-2019388793-A1 · Dec 26, 2019 · US
US-10179978-B2 · Jan 15, 2019 · US
US-2017044722-A1 · Feb 16, 2017 · US