Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
Y04S 20/242

Home appliances

Full Title

Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof > End-user application control systems > Home appliances

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • Y04S 20/244 the home appliances being or involving heating ventilating and air conditioning [HVAC] units
  • Y04S 20/246 the system involving the remote operation of lamps or lighting equipment

Top Applicants

Top 10 applicants by patent filingsfor class Y04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 11,048
  2. GUANGDONG POWER GRID CORPORATION 3,187
  3. NORTH CHINA ELECTRIC POWER UNIVERSITY 1,200
  4. STATE GRID JIANGSU ELECTRIC POWER COMPANY 956
  5. STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY 929
  6. SIEMENS DE 899
  7. STATE GRID ZHEJIANG ELECTRIC POWER COMPANY 794
  8. GUIZHOU POWER GRID CORPORATION 770
  9. SHENZHEN POWER SUPPLY BUREAU COMPANY 745
  10. STATE GRID FUJIAN ELECTRIC POWER COMPANY 720