CPC Subgroup
A62C 35/58 Pipe-line systems
Full Title
Permanently-installed equipment (A62C31/00, A62C33/00, A62C37/00 take precedence; for forming water curtains A62C2/08) > Pipe-line systems
4 direct subcodes
Child Classifications
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- A62C 35/60 wet, i.e. containing extinguishing material even when not in use
- A62C 35/62 dry, i.e. empty of extinguishing material when not in use
- A62C 35/64 pressurised
- A62C 35/68 Details, e.g. of pipes or valve systems (valves in general F16K)
Top Applicants
Top 10 applicants by patent filingsfor class A62, 2013–2023, worldwide · Source: EPO PATSTAT
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,384
- TYCO FIRE PRODUCTS US 962
- SGCC(STATE GRID CORPORATION OF CHINA) 662
- LG ENERGY SOLUTION KR 519
- HONEYWELL INTERNATIONAL US 427
- DRAEGER SAFETY AG & CO. KGAA DE 332
- VICTAULIC COMPANY US 294
- HILTI LI 265
- KIDDE TECHNOLOGIES US 245
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) 240