Overwinding buffer device and method for vertical hoisting system
US-11174125-B2 · Nov 16, 2021 · US
This page is not indexed by search engines while we improve data quality.
Mining-hoist cars or cages
Mining-hoist cars or cages · 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 | B66B17/04 |
| Official title | Mining-hoist cars or cages |
| Display label | Mining-hoist cars or cages |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2021 | 2 |
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-2021284500-A1 · Sep 16, 2021 · US
Adjustable intermediate disk body of large double-layer cage and adjusting and moving method thereof
US-2016207740-A1 · Jul 21, 2016 · US
Mining elevator
US-9272881-B2 · Mar 1, 2016 · US