CPC Subgroup Additional Only
A62D 2203/04 Combined processes involving two or more non-distinct steps covered by groups A62D3/10 - A62D3/40
Full Title
Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances > Combined processes involving two or more non-distinct steps covered by groups A62D3/10 - A62D3/40
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