Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes

Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes · 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 codeF22B37/38
Official titleDetermining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes
Display labelDetermining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes
Total patents100

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
20154
20166
201714
20187
20198
202010
20217
202216
202312
202410
20256

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 F22B37/38?
CPC F22B37/38 is the Cooperative Patent Classification code for “Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes.”
How many patents are filed under CPC F22B37/38 (Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes)?
Our database includes 100 publications tagged with this CPC code.
Is patent activity under CPC F22B37/38 growing?
Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).