Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
H02M 1/00

Details of apparatus for conversion

Introduced: September 1968

Last revised: January 2007

Classification Context

Section:
ELECTRICITY
Class:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF

14 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H02M 1/06 Circuits specially adapted for rendering non-conductive gas discharge tubes or equivalent semiconductor devices, e.g. thyratrons, thyristors
  • H02M 1/1 Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC
  • H02M 1/12 Arrangements for reducing harmonics from AC input or output
  • H02M 1/16 Means for providing current step on switching, e.g. with saturable reactor
  • H02M 1/36 Means for starting or stopping converters
  • H02M 1/38 Means for preventing simultaneous conduction of switches
  • H02M 1/4 Means for preventing magnetic saturation
  • H02M 1/42 Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
  • H02M 1/44 Circuits or arrangements for compensating for electromagnetic interference in converters or inverters

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