for lead-acid accumulators

for lead-acid accumulators · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01M50/541
Official titlefor lead-acid accumulators
Display labelfor lead-acid accumulators
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
20151
20161
20172
20181
20193
20201
20212
20221
20233
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 H01M50/541?
CPC H01M50/541 is the Cooperative Patent Classification code for “for lead-acid accumulators.”
How many patents are filed under CPC H01M50/541 (for lead-acid accumulators)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC H01M50/541 growing?
Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).