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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

  1. SGCC(STATE GRID CORPORATION OF CHINA) 54,496
  2. MITSUBISHI ELECTRIC CORPORATION JP 10,495
  3. TOYOTA MOTOR CORPORATION 9,464
  4. GUANGDONG POWER GRID CORPORATION 9,339
  5. ROBERT BOSCH DE 8,226
  6. SIEMENS DE 8,218
  7. DENSO CORPORATION 7,063
  8. MITSUBISHI ELECTRIC CORPORATION 6,619
  9. SAMSUNG ELECTRONICS COMPANY KR 5,826
  10. GREE ELECTRIC APPLIANCES 5,094