Assignee
ECODYNE CORP
US83 patents
Top patents by PatentIndex Score
US4817830AApr 4, 1989
Pressure vessel with a bladder
ECODYNE CORP62 citations94
US4414113ANov 8, 1983
Liquid purification using reverse osmosis hollow fibers
ECODYNE CORP175 citations94
US4238334ADec 9, 1980
Purification of liquids with treated filter aid material and active particulate material
ECODYNE CORP109 citations92
US3966608AJun 29, 1976
Liquid treatment apparatus
ECODYNE CORP56 citations92
US3941698AMar 2, 1976
Grit selector
ECODYNE CORP34 citations92
US4765507AAug 23, 1988
Pressure vessel with an improved sidewall structure
ECODYNE CORP44 citations91
US4740262AApr 26, 1988
Method of manufacturing a pressure vessel with an improved sidewall structure
ECODYNE CORP31 citations91
US4722797AFeb 2, 1988
Method for regeneration of a water softener
ECODYNE CORP28 citations91
US4619374AOct 28, 1986
Pressure vessel with an improved sidewall structure
ECODYNE CORP46 citations91
US4247396AJan 27, 1981
Chemical solution dispenser
ECODYNE CORP36 citations91
US4133851AJan 9, 1979
Cooling tower splash bar fill assembly and method
ECODYNE CORP31 citations91
US4332685AJun 1, 1982
Method and apparatus for treating water
ECODYNE CORP44 citations90
US4347224AAug 31, 1982
Chemical dispenser
ECODYNE CORP56 citations89
US4190532AFeb 26, 1980
Charged filter aid material and ion exchange bed
ECODYNE CORP50 citations88
US4177142ADec 4, 1979
Mixture of oppositely charged filter aid material
ECODYNE CORP43 citations88
US4127488ANov 28, 1978
Method and apparatus for separating solids from liquids
ECODYNE CORP35 citations88
US4405466ASep 20, 1983
Backwash method and apparatus
ECODYNE CORP54 citations87
US4180547ADec 25, 1979
Process for recovery of chemicals from saline water
ECODYNE CORP40 citations86
US3966599AJun 29, 1976
Method and apparatus
ECODYNE CORP66 citations85
US4411785AOct 25, 1983
Reverse osmosis hollow fiber filter element
ECODYNE CORP43 citations81
US4293414AOct 6, 1981
Slotted sheet filter element
ECODYNE CORP32 citations81
US4236881ADec 2, 1980
Liquid metering pump
ECODYNE CORP41 citations81
US4121656AOct 24, 1978
Header
ECODYNE CORP36 citations81
US4132264AJan 2, 1979
Plastic heat exchange tube
ECODYNE CORP24 citations80
US4187120AFeb 5, 1980
Method for purification of polyhydric alcohols
ECODYNE CORP25 citations78
US4320072AMar 16, 1982
Cooling tower spray nozzle
ECODYNE CORP24 citations77
US4267039AMay 12, 1981
Fluid filtration method and apparatus
ECODYNE CORP25 citations77
US4136032AJan 23, 1979
Liquid treatment apparatus
ECODYNE CORP23 citations77
US4105065AAug 8, 1978
Heat exchanger
ECODYNE CORP28 citations76
US4014669AMar 29, 1977
Self-locking drift eliminator
ECODYNE CORP27 citations76
US4082664AApr 4, 1978
Filter and method
ECODYNE CORP29 citations75
US4173605ANov 6, 1979
Liquid cooling tower
ECODYNE CORP19 citations74
US3995332ADec 7, 1976
Fin tube seal
ECODYNE CORP32 citations74
USD310260SAug 28, 1990
Water heater
ECODYNE CORP9 citations73
US3951806AApr 20, 1976
Clarifier apparatus
ECODYNE CORP16 citations73
US4735511AApr 5, 1988
Temperature sensing device for thin-walled thermoplastic pressure vessels
ECODYNE CORP7 citations72
US4181692AJan 1, 1980
Cooling tower fill assembly
ECODYNE CORP12 citations72
US4174282ANov 13, 1979
Liquid treatment apparatus
ECODYNE CORP12 citations72
US4069156AJan 17, 1978
Sewage treatment system
ECODYNE CORP16 citations72
US4606894AAug 19, 1986
Uranium recovery from carbonate leach liquors using carboxylic acid cation exchange resin
ECODYNE CORP17 citations71
US4388417AJun 14, 1983
Regeneration of deep bed condensate polishers
ECODYNE CORP8 citations71
US3951819AApr 20, 1976
Sludge removal system
ECODYNE CORP12 citations71
US4392955AJul 12, 1983
Liquid treatment apparatus
ECODYNE CORP15 citations70
US4210537AJul 1, 1980
Liquid treatment apparatus
ECODYNE CORP14 citations70
US4115484ASep 19, 1978
Cooling tower fill assembly
ECODYNE CORP28 citations70
US4107038AAug 15, 1978
Method and apparatus for removing grit
ECODYNE CORP30 citations70
US3972965AAug 3, 1976
Special aerator
ECODYNE CORP32 citations70
US4187056AFeb 5, 1980
Fan blade assembly and coupling
ECODYNE CORP20 citations69
USD309342SJul 17, 1990
Electronic indicator faucet
ECODYNE CORP11 citations68
US4364794ADec 21, 1982
Liquid concentration apparatus
ECODYNE CORP11 citations68
Showing the top 50 of 83 patents by PatentIndex Score.