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CPC Subgroup
A62D 3/17

to electromagnetic radiation, e.g. emitted by a laser

Full Title

Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances (consuming noxious gases by combustion F23G7/06) > by subjecting to electric or wave energy or particle or ionizing radiation > to electromagnetic radiation, e.g. emitted by a laser

4 direct subcodes

Child Classifications

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  • A62D 3/172 Gamma rays, i.e. radiation having a wavelength of about 0.003nm to 0.03 nm
  • A62D 3/174 X-rays, i.e. radiation having a wavelength of about 0.03nm to 3nm
  • A62D 3/176 Ultraviolet radiations, i.e. radiation having a wavelength of about 3nm to 400nm
  • A62D 3/178 Microwave radiations, i.e. radiation having a wavelength of about 0.3 cm to 30cm

Top Applicants

Top 10 applicants by patent filingsfor class A62, 2013–2023, worldwide · Source: EPO PATSTAT

  1. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,384
  2. TYCO FIRE PRODUCTS US 962
  3. SGCC(STATE GRID CORPORATION OF CHINA) 662
  4. LG ENERGY SOLUTION KR 519
  5. HONEYWELL INTERNATIONAL US 427
  6. DRAEGER SAFETY AG & CO. KGAA DE 332
  7. VICTAULIC COMPANY US 294
  8. HILTI LI 265
  9. KIDDE TECHNOLOGIES US 245
  10. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) 240