using cross-pressure relief valves

using cross-pressure relief valves · 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 codeF15B2211/50527
Official titleusing cross-pressure relief valves
Display labelusing cross-pressure relief valves
Total patents58

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201511
20166
20175
20185
20194
20205
20214
20224
20232
20245
20255
20262

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 F15B2211/50527?
CPC F15B2211/50527 is the Cooperative Patent Classification code for “using cross-pressure relief valves.”
How many patents are filed under CPC F15B2211/50527 (using cross-pressure relief valves)?
Our database includes 58 publications tagged with this CPC code.
Is patent activity under CPC F15B2211/50527 growing?
Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).