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CPC Subgroup
A62C 13/04

with separate acid container

Full Title

Portable extinguishers which are permanently pressurised or pressurised immediately before use (A62C11/00 takes precedence) > with pressure gas produced by chemicals > with separate acid container

5 direct subcodes

Child Classifications

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  • A62C 13/06 with acid container without closure device
  • A62C 13/14 with acid container the shell of which is ruptured by pin, screw-pin, or similar device
  • A62C 13/16 with movable acid container ruptured by falling when operated
  • A62C 13/18 with acid container ruptured by a striking weight, e.g. by a falling weight

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