What is CPC H01H3/50?

CPC H01H3/50 is the Cooperative Patent Classification code for “with indexing or locating means, e.g. indexing by ball and spring.”

How many patents are filed under CPC H01H3/50 (with indexing or locating means, e.g. indexing by ball and spring)?

Our database includes 72 publications tagged with this CPC code.

Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).

with indexing or locating means, e.g. indexing by ball and spring · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	H01H3/50
Official title	with indexing or locating means, e.g. indexing by ball and spring
Display label	with indexing or locating means, e.g. indexing by ball and spring
Total patents	72

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

Filing activity over the last five years is declining.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Answers are generated from the same data shown on this page.

What is CPC H01H3/50?: CPC H01H3/50 is the Cooperative Patent Classification code for “with indexing or locating means, e.g. indexing by ball and spring.”
How many patents are filed under CPC H01H3/50 (with indexing or locating means, e.g. indexing by ball and spring)?: Our database includes 72 publications tagged with this CPC code.
Is patent activity under CPC H01H3/50 growing?: Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).