method or algorithm for controlling doors

method or algorithm for controlling doors · 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 codeB66B13/146
Official title{method or algorithm for controlling doors}
Display labelmethod or algorithm for controlling doors
Total patents123

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
20152
20169
20176
201811
201916
202013
202112
202217
202316
20248
20259
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 B66B13/146?
CPC B66B13/146 is the Cooperative Patent Classification code for “method or algorithm for controlling doors.”
How many patents are filed under CPC B66B13/146 (method or algorithm for controlling doors)?
Our database includes 123 publications tagged with this CPC code.
Is patent activity under CPC B66B13/146 growing?
Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).