Inventor
HATTON DERALD R
US9 patents
Patents
9 patentsUS4399028AAug 16, 1983
Froth flotation apparatus and method
BLACK CLAWSON CO59 citations91
US4356084AOct 26, 1982
Self-sealing valve assembly to facilitate unplugging of a centrifugal cleaner
BLACK CLAWSON CO23 citations81
US4081147AMar 28, 1978
Reversible disk refiner plates
BLACK CLAWSON CO29 citations78
US5078275AJan 7, 1992
Screening apparatus for paper making stock
BLACK CLAWSON CO8 citations72
US4155839AMay 22, 1979
Reverse centrifugal cleaning of paper making stock
BLACK CLAWSON CO17 citations72
US5186332AFeb 16, 1993
Paper stock screening apparatus having heavy rejects trap
BLACK CLAWSON CO14 citations71
US4017387AApr 12, 1977
Screening apparatus
BLACK CLAWSON CO12 citations70
US4171101AOct 16, 1979
Method of operating a disk refiner provided with reversible refining plates
BLACK CLAWSON CO17 citations69
US5051151ASep 24, 1991
Side extraction pulper with screw type rotor
BLACK CLAWSON CO4 citations59