IPC Subgroup
H02K 15/0428 Processes or apparatus for simultaneously twisting two or more hairpins
Introduced: January 2025
Full Title
Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines > of windings prior to their mounting into the machines > the windings consisting of separate elements, e.g. bars, segments or half coils > and consisting of single conductors, e.g. hairpins > Processes or apparatus for simultaneously twisting two or more hairpins
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES
Top Applicants
Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 54,496
- MITSUBISHI ELECTRIC CORPORATION JP 10,495
- TOYOTA MOTOR CORPORATION 9,464
- GUANGDONG POWER GRID CORPORATION 9,339
- ROBERT BOSCH DE 8,226
- SIEMENS DE 8,218
- DENSO CORPORATION 7,063
- MITSUBISHI ELECTRIC CORPORATION 6,619
- SAMSUNG ELECTRONICS COMPANY KR 5,826
- GREE ELECTRIC APPLIANCES 5,094