IPC Subgroup
A62C 13/04 with separate acid container
Introduced: September 1968
Last revised: January 2006
Full Title
Portable extinguishers which are permanently pressurised or pressurised immediately before use > with pressure gas produced by chemicals > with separate acid container
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- LIFE-SAVING; FIRE-FIGHTING
- Subclass:
- FIRE-FIGHTING
5 direct subcodes
Child Classifications
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- A62C 13/06 with acid container without closure device
- A62C 13/08 with acid container with 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
- SGCC(STATE GRID CORPORATION OF CHINA) 1,604
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,202
- TYCO FIRE PRODUCTS US 906
- NOHMI BOSAI 429
- LG ENERGY SOLUTION KR 414
- HOCHIKI CORPORATION 408
- HUBEI JI'ANDUN FIRE-FIGHTING TECHNOLOGY COMPANY 374
- HONEYWELL INTERNATIONAL US 355
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 346
- FISHER AND PAYKEL HEALTHCARE NZ 305