Devices or arrangements for removing water, minerals or sludge from boilers (cleaning water tubes, furnace tubes or the like of boilers F28G) {; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers}

Devices or arrangements for removing water, minerals or sludge from boilers (cleaning water tubes, furnace tubes or the like of boilers F28G) {; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers} · 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 codeF22B37/48
Official titleDevices or arrangements for removing water, minerals or sludge from boilers (cleaning water tubes, furnace tubes or the like of boilers F28G) {; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers}
Display labelDevices or arrangements for removing water, minerals or sludge from boilers (cleaning water tubes, furnace tubes or the like of boilers F28G) {; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers}
Total patents39

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20152
20165
20177
20184
20197
20215
20223
20231
20241
20253
20261

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 F22B37/48?
CPC F22B37/48 is the Cooperative Patent Classification code for “Devices or arrangements for removing water, minerals or sludge from boilers (cleaning water tubes, furnace tubes or the like of boilers F28G) {; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers}.”
How many patents are filed under CPC F22B37/48 (Devices or arrangements for removing water, minerals or sludge from boilers (cleaning water tubes, furnace tubes or the like of boilers F28G) {; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers})?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC F22B37/48 growing?
Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).