using valves, gates, orifices or openings

using valves, gates, orifices or openings · 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 codeB01F35/71805
Official title{using valves, gates, orifices or openings}
Display labelusing valves, gates, orifices or openings
Total patents230

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
201517
201620
201719
201822
201920
202024
202125
202219
202319
202420
202522
20263

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 B01F35/71805?
CPC B01F35/71805 is the Cooperative Patent Classification code for “using valves, gates, orifices or openings.”
How many patents are filed under CPC B01F35/71805 (using valves, gates, orifices or openings)?
Our database includes 230 publications tagged with this CPC code.
Is patent activity under CPC B01F35/71805 growing?
Publication counts under this code: 20 in 2024 vs 22 in 2025 (latest complete years).