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PCE
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DIFF Subgroup
A62C 5/02

of foam

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Making of fire-extinguishing materials immediately before use > of foam

CPC:

Making of fire-extinguishing materials immediately before use (nozzles A62C31/02) > of foam

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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  • A62C 5/027 Heavy foam since 1990 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