Inventor
MAILLIET PIERRE H
6 patents
Patents
6 patentsUS4190074AFeb 26, 1980
Pressure equalization valve and technique for shaft furnace
WURTH ANCIENS ETS PAUL38 citations90
US4158367AJun 19, 1979
Valve system and improved actuator therefor
WURTH ANCIENS ETS PAUL34 citations89
US4144902AMar 20, 1979
Isolation valve
WURTH ANCIENS ETS PAUL12 citations71
US4135705AJan 23, 1979
Taphole sealing apparatus
WURTH ANCIENS ETS PAUL12 citations71
US4063722ADec 20, 1977
Ejector piston
WURTH ANCIENS ETS PAUL7 citations71
US4058300ANov 15, 1977
Clay gun
WURTH ANCIENS ETS PAUL3 citations60