Reel-to-reel type web winding and unwinding mechanisms

Reel-to-reel type web winding and unwinding mechanisms · 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 codeB65H18/145
Official title{Reel-to-reel type web winding and unwinding mechanisms}
Display labelReel-to-reel type web winding and unwinding mechanisms
Total patents77

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
20154
20164
20179
20187
20199
20204
202114
20227
20235
20248
20255
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 B65H18/145?
CPC B65H18/145 is the Cooperative Patent Classification code for “Reel-to-reel type web winding and unwinding mechanisms.”
How many patents are filed under CPC B65H18/145 (Reel-to-reel type web winding and unwinding mechanisms)?
Our database includes 77 publications tagged with this CPC code.
Is patent activity under CPC B65H18/145 growing?
Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).