by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits

by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits · 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 codeB23P11/02
Official titleby first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
Display labelby first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
Total patents119

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
20159
201617
201712
201817
201914
202015
202112
20225
20235
20248
20254
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 B23P11/02?
CPC B23P11/02 is the Cooperative Patent Classification code for “by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits.”
How many patents are filed under CPC B23P11/02 (by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits)?
Our database includes 119 publications tagged with this CPC code.
Is patent activity under CPC B23P11/02 growing?
Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).