Inventor
HINDMAN DAVID B
US4 patents
Patents
4 patentsUS4482461ANov 13, 1984
Backwash control for constant volume-pressure filtration system
FRENCH SYSTEMS INC59 citations90
US4618431AOct 21, 1986
Method for stabilizing the relationship between the filtering unit and a filter feed pump
FRENCH SYSTEMS INC25 citations75
US4612116ASep 16, 1986
Backwashable filtering apparatus and novel filter element therefor
FRENCH SYSTEMS INC12 citations67
US4549893AOct 29, 1985
Hot cullet handling apparatus
FRENCH SYSTEMS INC4 citations54