Covers

Covers · 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 codeH01M50/591
Official titleCovers
Display labelCovers
Total patents498

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
201522
201618
201721
201827
201931
202022
202126
202245
202360
202479
2025110
202637

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 H01M50/591?
CPC H01M50/591 is the Cooperative Patent Classification code for “Covers.”
How many patents are filed under CPC H01M50/591 (Covers)?
Our database includes 498 publications tagged with this CPC code.
Is patent activity under CPC H01M50/591 growing?
Publication counts under this code: 79 in 2024 vs 110 in 2025 (latest complete years).