using injection ram or piston

using injection ram or piston · 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 codeB29C45/53
Official titleusing injection ram or piston
Display labelusing injection ram or piston
Total patents100

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
20154
20166
20171
20186
20196
202010
202114
202217
20238
202417
20258
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 B29C45/53?
CPC B29C45/53 is the Cooperative Patent Classification code for “using injection ram or piston.”
How many patents are filed under CPC B29C45/53 (using injection ram or piston)?
Our database includes 100 publications tagged with this CPC code.
Is patent activity under CPC B29C45/53 growing?
Publication counts under this code: 17 in 2024 vs 8 in 2025 (latest complete years).