Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Load children
B01D
SEPARATION
Load children
33/00
Filters with filtering elements which move during the filtering operation
Load children Filter patents View analytics View as hierarchy
B01D33/27
with rotary filtering surfaces, which are neither cylindrical nor planar, e.g. helical surfaces
Load children Filter patents View analytics View as hierarchy
B01D33/275
using contiguous impervious surfaces
Filter patents View analytics View as hierarchy