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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup Additional Only
Y04S 10/50

Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Full Title

Systems supporting electrical power generation, transmission or distribution > Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

Top Applicants

Top Applicants (CPC)

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