characterised by use of freely-movable dollies

characterised by use of freely-movable dollies · Cooperative Patent Classification (CPC)

Building, mining, and civil engineering structures.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeE04H6/36
Official titlecharacterised by use of freely-movable dollies
Display labelcharacterised by use of freely-movable dollies
Total patents46

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20171
20183
20194
20209
20212
20229
20238
20245
20255

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 E04H6/36?
CPC E04H6/36 is the Cooperative Patent Classification code for “characterised by use of freely-movable dollies.”
How many patents are filed under CPC E04H6/36 (characterised by use of freely-movable dollies)?
Our database includes 46 publications tagged with this CPC code.
Is patent activity under CPC E04H6/36 growing?
Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).