Subclass | Subgroup | Patent |
B01J | 10/00 | 12168209 |
19/0046 | 12168210 | |
12168211 | ||
19/008 | 12168212 | |
19/30 | 12168213 | |
20/041 | 12168214 | |
20/20 | 12168215 | |
20/226 | 12168216 | |
20/265 | 12168217 | |
20/3078 | 12168218 | |
23/28 | 12168219 | |
23/745 | 12168220 | |
23/755 | 12168221 | |
29/76 | 12168222 | |
29/80 | 12168223 | |
31/2291 | 12168224 |