CPC Subgroup Additional Only
A62D 2101/40 Inorganic substances
Full Title
Harmful chemical substances made harmless, or less harmful, by effecting chemical change > Inorganic substances
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- A62D 2101/41 Inorganic fibres, e.g. asbestos
- A62D 2101/43 containing heavy metals, in the bonded or free state
- A62D 2101/45 containing nitrogen or phosphorus
- A62D 2101/47 containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
- A62D 2101/49 containing halogen
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