Multiple filter elements with movable flushing assembly

Multiple filters with flow-reversing rotary valve set

Multiple inlet valve with means to isolate each inlet individual

Multistage disc filter

Multiwell membrane filtration apparatus

Oil filter

Orifice filter

Panel filter system

Parallel-flow filter head

Permanent espresso filter insert

Permeator apparatus

Permselective membrane apparatus with porous support

Planar plural tubular filter array

Plate filter for filtering liquids

Plate-type filter

Plate-type filter cartridge with internal support

Plural cylindrical filter units with displacement support

Pocket centrifuge and method of operating same

Polymer filtering apparatus

Pool filter