Lifting or levelling of tracks (lifting devices in general B66F)

Lifting or levelling of tracks (lifting devices in general B66F) · 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 codeE01B29/04
Official titleLifting or levelling of tracks (lifting devices in general B66F)
Display labelLifting or levelling of tracks (lifting devices in general B66F)
Total patents25

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
20193
20203
20211
20222
20233
20245
20253
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 E01B29/04?
CPC E01B29/04 is the Cooperative Patent Classification code for “Lifting or levelling of tracks (lifting devices in general B66F).”
How many patents are filed under CPC E01B29/04 (Lifting or levelling of tracks (lifting devices in general B66F))?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC E01B29/04 growing?
Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).