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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
A62D 3/17

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

Introduced: January 2007

Full Title

Full titles differ between systems:

IPC:

Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances > by subjecting to electric or wave energy or particle or ionizing radiation > to electromagnetic radiation, e.g. emitted by a laser

CPC:

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

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

4 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2007.

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 since 2007 IPC+CPC Available in IPC and CPC
  • A62D 3/174 X-rays, i.e. radiation having a wavelength of about 0.03nm to 3nm since 2007 IPC+CPC Available in IPC and CPC
  • A62D 3/176 Ultraviolet radiations, i.e. radiation having a wavelength of about 3nm to 400nm since 2007 IPC+CPC Available in IPC and CPC
  • A62D 3/178 Microwave radiations, i.e. radiation having a wavelength of about 0.3 cm to 30cm since 2007 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A62,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 1,604
  2. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,202
  3. TYCO FIRE PRODUCTS US 906
  4. NOHMI BOSAI 429
  5. LG ENERGY SOLUTION KR 414
  6. HOCHIKI CORPORATION 408
  7. HUBEI JI'ANDUN FIRE-FIGHTING TECHNOLOGY COMPANY 374
  8. HONEYWELL INTERNATIONAL US 355
  9. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 346
  10. FISHER AND PAYKEL HEALTHCARE NZ 305

Top Applicants (CPC)

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