Assignee
JWI INC
17 patents
Top patents by PatentIndex Score
USD323797SFeb 11, 1992
Electric runabout vehicle
JWI INC22 citations88
US5567327AOct 22, 1996
Air-assist discharge of filter press cake
JWI INC22 citations87
US5328617AJul 12, 1994
Air-assist discharge of filter press cake
JWI INC20 citations86
US5635061AJun 3, 1997
Plate shifter mechanism
JWI INC19 citations79
US5401374AMar 28, 1995
Electrolyzer for plating waste water
JWI INC9 citations67
US5370795ADec 6, 1994
Plate shifter for filter press
JWI INC9 citations67
US5456022AOct 10, 1995
Batch-type sludge drier
JWI INC10 citations66
US5275740AJan 4, 1994
Filter press with adaptive automated control arrangement
JWI INC18 citations66
USD306597SMar 13, 1990
Continuous drier for bulk material
JWI INC9 citations64
US4884245ANov 28, 1989
Quick-connection drive coupling for mixing tank
JWI INC16 citations64
USD324006SFeb 18, 1992
Electric maintenance vehicle
JWI INC11 citations62
US5674384AOct 7, 1997
Filter press with weight-responsive bumping of filter plates
JWI INC9 citations58
USD321675SNov 19, 1991
Vehicle
JWI INC2 citations57
US5723046AMar 3, 1998
Drip tray lock mechanism for filter press
JWI INC2 citations56
US4963255AOct 16, 1990
Plate shifter for filter press
JWI INC3 citations52
US5505846AApr 9, 1996
Plate shifter for filter press
JWI INC0 citations45
US5172492ADec 22, 1992
Batch-type dryer
JWI INC1 citations42