Rescue apparatus and an elevator
US-11192751-B2 · Dec 7, 2021 · US
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for preventing overwinding
for preventing overwinding · 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 | B66B5/08 |
| Official title | for preventing overwinding |
| Display label | for preventing overwinding |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Overwinding buffer device and method for vertical hoisting system
US-11174125-B2 · Nov 16, 2021 · US
Overwinding buffer device and method for vertical hoisting system
US-2021284500-A1 · Sep 16, 2021 · US
Overwind conveyance drop protection
US-10150649-B2 · Dec 11, 2018 · US
Rescue apparatus and an elevator
US-2017313551-A1 · Nov 2, 2017 · US
Overwind Conveyance Drop Protection
US-2016122160-A1 · May 5, 2016 · US