Raisable plow assembly

Reciprocal movable screens in a vertically elongated vessel

Reciprocating sprayer for a cylindrical wastewater screen

Recovering bitumen from large water surfaces

Replaceable valve seat for center valve filter drum

Replaceable wrap for scroll housing in centrifugal separator

Reverse filter centrifuge

Rolling filter apparatus

Rotary diaphragm press

Rotary drum filter

Rotary drum filter

Rotary drum filter

Rotary drum filter grid extension and method

Rotary drum filter with improved deck structure

Rotary drum filter with reciprocating nozzle means

Rotary drum filter with sliding perforated buckets

Rotary drum or disc filter

Rotary drum type dehydrator

Rotary drum type device for separating solid particles from a li

Rotary drum vacuum filter