using a screw extruder and a gear pump

using a screw extruder and a gear pump · 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 codeB29C48/387
Official title{using a screw extruder and a gear pump}
Display labelusing a screw extruder and a gear pump
Total patents106

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
20159
201610
201711
201816
201912
202014
20217
20227
20239
20243
20255
20263

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 B29C48/387?
CPC B29C48/387 is the Cooperative Patent Classification code for “using a screw extruder and a gear pump.”
How many patents are filed under CPC B29C48/387 (using a screw extruder and a gear pump)?
Our database includes 106 publications tagged with this CPC code.
Is patent activity under CPC B29C48/387 growing?
Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).