Rope-climbing self propelled elevator system
US-11434107-B2 · Sep 6, 2022 · US
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for counterweightless elevators
for counterweightless elevators · 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 | B66B11/007 |
| Official title | {for counterweightless elevators} |
| Display label | for counterweightless elevators |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rope-climbing self propelled elevator system
US-2021078829-A1 · Mar 18, 2021 · US
Elevator
US-2021047145-A1 · Feb 18, 2021 · US
Rope-climbing self propelled elevator system
US-10875743-B2 · Dec 29, 2020 · US
Rope-climbing self propelled elevator system
US-2018362302-A1 · Dec 20, 2018 · US
Rope climbing elevator system
US-2018327227-A1 · Nov 15, 2018 · US
Elevator
US-9873594-B2 · Jan 23, 2018 · US
Elevator drive
US-2016257529-A1 · Sep 8, 2016 · US
Elevator
US-2015122587-A1 · May 7, 2015 · US