PatentsDB

Lead alloys

Lead alloys · 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 codeH01M4/685
Official title{Lead alloys}
Display labelLead alloys
Total patents45

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20153
20162
20176
20183
20196
20202
20211
20222
20238
202410
20252

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 H01M4/685?
CPC H01M4/685 is the Cooperative Patent Classification code for “Lead alloys.”
How many patents are filed under CPC H01M4/685 (Lead alloys)?
Our database includes 45 publications tagged with this CPC code.
Is patent activity under CPC H01M4/685 growing?
Publication counts under this code: 10 in 2024 vs 2 in 2025 (latest complete years).