by coating porous removable preforms

by coating porous removable preforms · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB22F3/1137
Official title{by coating porous removable preforms}
Display labelby coating porous removable preforms
Total patents36

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
20151
20166
20173
20182
20193
20205
20214
20224
20231
20244
20253

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 B22F3/1137?
CPC B22F3/1137 is the Cooperative Patent Classification code for “by coating porous removable preforms.”
How many patents are filed under CPC B22F3/1137 (by coating porous removable preforms)?
Our database includes 36 publications tagged with this CPC code.
Is patent activity under CPC B22F3/1137 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).