characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

characterised by changing the positions of the inlet or outlet openings with respect to the working chamber · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF04C14/10
Official titlecharacterised by changing the positions of the inlet or outlet openings with respect to the working chamber
Display labelcharacterised by changing the positions of the inlet or outlet openings with respect to the working chamber
Total patents32

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20156
20165
20174
20185
20192
20201
20213
20222
20231
20243

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 F04C14/10?
CPC F04C14/10 is the Cooperative Patent Classification code for “characterised by changing the positions of the inlet or outlet openings with respect to the working chamber.”
How many patents are filed under CPC F04C14/10 (characterised by changing the positions of the inlet or outlet openings with respect to the working chamber)?
Our database includes 32 publications tagged with this CPC code.
Is patent activity under CPC F04C14/10 growing?
Publication counts under this code: 1 in 2023 vs 3 in 2024 (latest complete years).