Levitation, propulsion and guidance integrated magnetic levitation system and improvement method of guidance and levitation
US-11834078-B2 · Dec 5, 2023 · US
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Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls
Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls · 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 | B61F11/00 |
| Official title | Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls |
| Display label | Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Levitation, propulsion and guidance integrated magnetic levitation system and improvement method of guidance and levitation
US-2022089196-A1 · Mar 24, 2022 · US
Vehicle guidance system
US-2022009531-A1 · Jan 13, 2022 · US
Vehicle guidance system
US-11155281-B2 · Oct 26, 2021 · US
Vehicle guidance system
US-2018186389-A1 · Jul 5, 2018 · US