reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor

reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor · 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 codeF04B9/125
Official titlereciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
Display labelreciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
Total patents32

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20151
20165
20173
20181
20195
20208
20211
20224
20232
20242

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 F04B9/125?
CPC F04B9/125 is the Cooperative Patent Classification code for “reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor.”
How many patents are filed under CPC F04B9/125 (reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor)?
Our database includes 32 publications tagged with this CPC code.
Is patent activity under CPC F04B9/125 growing?
Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).