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CPC Class Not Allocatable
H05

ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Description

H05 covers electric techniques and equipment that do not fit within the more specialized electrical and electronics classes (H01-H04). This catch-all classification includes electrostatic phenomena, electric heating and cooking devices, X-ray generation equipment, nuclear reactor control systems, and other specialized electrical applications. The class serves as a residual category for electrical inventions that lack sufficient technical coherence or volume to warrant a dedicated class, ensuring comprehensive coverage of the IPC electrical spectrum.

Filing statistics

CPC H05 recorded 670,750 patent applications worldwide between 2013 and 2023, summed across its 6 subclasses. Annual filings grew from 48,933 in 2013 to 61,054 in 2023 (+25%), peaking at 71,121 applications in 2020. The most active applicants in class H05 are SAMSUNG ELECTRONICS COMPANY (9,981 applications), SAMSUNG DISPLAY (5,041 applications) and LG ELECTRONICS (4,742 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filings, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 9,981
  2. SAMSUNG DISPLAY KR 5,041
  3. LG ELECTRONICS KR 4,742
  4. PHILIP MORRIS PRODUCTS CH 4,411
  5. PANASONIC INTELLECTUAL PROPERTY JP 3,915
  6. PANASONIC INTELLECTUAL PROPERTY 3,471
  7. SAMSUNG ELECTRO-MECHANICS COMPANY KR 3,210
  8. MURATA MANUFACTURING COMPANY JP 3,191
  9. FUJI JP 2,987
  10. SIGNIFY HOLDING NL 2,907