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PCE
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IPC Subgroup
H02K 37/16

having horseshoe armature cores

Introduced: January 1985

Last revised: January 2006

Full Title

Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors > of permanent magnet type > with stationary armatures and rotating magnets > with magnets rotating within the armatures > having horseshoe armature cores

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