by reciprocating or oscillating members, e.g. fingers (by plungers moving through folding dies B31B50/44)

by reciprocating or oscillating members, e.g. fingers (by plungers moving through folding dies B31B50/44) · 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 codeB31B50/52
Official titleby reciprocating or oscillating members, e.g. fingers (by plungers moving through folding dies B31B50/44)
Display labelby reciprocating or oscillating members, e.g. fingers (by plungers moving through folding dies B31B50/44)
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
20153
201610
201713
201812
20195
202012
20217
202212
202310
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 B31B50/52?
CPC B31B50/52 is the Cooperative Patent Classification code for “by reciprocating or oscillating members, e.g. fingers (by plungers moving through folding dies B31B50/44).”
How many patents are filed under CPC B31B50/52 (by reciprocating or oscillating members, e.g. fingers (by plungers moving through folding dies B31B50/44))?
Our database includes 100 publications tagged with this CPC code.
Is patent activity under CPC B31B50/52 growing?
Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).