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IPC Subgroup
H02K 17/04

for single phase current

Introduced: September 1968

Last revised: January 2006

Full Title

Asynchronous induction motors; Asynchronous induction generators > Asynchronous induction motors > for single phase current

Classification Context

Section:
ELECTRICITY
Class:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:
DYNAMO-ELECTRIC MACHINES

3 direct subcodes

Child Classifications

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  • H02K 17/06 having windings arranged for permitting pole-changing
  • H02K 17/08 Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors
  • H02K 17/1 Motors with auxiliary phase obtained by split-pole carrying short-circuited windings

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