to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door

to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door · 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 codeB66B5/027
Official title{to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door}
Display labelto permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
Total patents235

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20153
20168
201720
201829
201928
202021
202123
202228
202325
202420
202522
20268

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 B66B5/027?
CPC B66B5/027 is the Cooperative Patent Classification code for “to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door.”
How many patents are filed under CPC B66B5/027 (to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door)?
Our database includes 235 publications tagged with this CPC code.
Is patent activity under CPC B66B5/027 growing?
Publication counts under this code: 20 in 2024 vs 22 in 2025 (latest complete years).