Dynamo-electric machines having windings operating at cryogenic temperatures

Dynamo-electric machines having windings operating at cryogenic temperatures · 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 codeH02K55/00
Official titleDynamo-electric machines having windings operating at cryogenic temperatures
Display labelDynamo-electric machines having windings operating at cryogenic temperatures
Total patents126

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
20158
20168
201711
20185
201911
20207
202110
202210
202313
202422
202516
20265

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 H02K55/00?
CPC H02K55/00 is the Cooperative Patent Classification code for “Dynamo-electric machines having windings operating at cryogenic temperatures.”
How many patents are filed under CPC H02K55/00 (Dynamo-electric machines having windings operating at cryogenic temperatures)?
Our database includes 126 publications tagged with this CPC code.
Is patent activity under CPC H02K55/00 growing?
Publication counts under this code: 22 in 2024 vs 16 in 2025 (latest complete years).