with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

with hoisting rope or cable operated by frictional engagement with a winding drum or sheave · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB66B11/008
Official title{with hoisting rope or cable operated by frictional engagement with a winding drum or sheave}
Display labelwith hoisting rope or cable operated by frictional engagement with a winding drum or sheave
Total patents119

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201517
201611
201712
201814
201911
20209
202111
202210
202310
20243
20257
20264

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B66B11/008?
CPC B66B11/008 is the Cooperative Patent Classification code for “with hoisting rope or cable operated by frictional engagement with a winding drum or sheave.”
How many patents are filed under CPC B66B11/008 (with hoisting rope or cable operated by frictional engagement with a winding drum or sheave)?
Our database includes 119 publications tagged with this CPC code.
Is patent activity under CPC B66B11/008 growing?
Publication counts under this code: 3 in 2024 vs 7 in 2025 (latest complete years).