Pivotally supported brushes or brush holders

Pivotally supported brushes or brush holders · 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 codeH02K5/146
Official title{Pivotally supported brushes or brush holders}
Display labelPivotally supported brushes or brush holders
Total patents27

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20151
20161
20171
20181
20193
20202
20213
20225
20234
20244
20251
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 H02K5/146?
CPC H02K5/146 is the Cooperative Patent Classification code for “Pivotally supported brushes or brush holders.”
How many patents are filed under CPC H02K5/146 (Pivotally supported brushes or brush holders)?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC H02K5/146 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).