Assignee
AUTOTROL CORP
US41 patents
Top patents by PatentIndex Score
US4661264AApr 28, 1987
Laser disinfection of liquids
AUTOTROL CORP88 citations96
US5294916AMar 15, 1994
Water treatment controller for an evaporative condenser
AUTOTROL CORP67 citations94
US5152252AOct 6, 1992
Water treatment control system for a boiler
AUTOTROL CORP81 citations94
US5250187AOct 5, 1993
Resin bed for liquid treatment
AUTOTROL CORP68 citations93
US5234601AAug 10, 1993
Apparatus and method for controlling regeneration of a water treatment system
AUTOTROL CORP144 citations93
US5014877AMay 14, 1991
Pellet dispenser
AUTOTROL CORP81 citations93
US4816145AMar 28, 1989
Laser disinfection of fluids
AUTOTROL CORP52 citations92
US4772386ASep 20, 1988
Filter with liquid meter
AUTOTROL CORP65 citations91
US4711370ADec 8, 1987
Seal member for pellet dispenser
AUTOTROL CORP38 citations91
US4997347AMar 5, 1991
Peristaltic motor
AUTOTROL CORP48 citations90
US5910244AJun 8, 1999
Adaptable control valve for fluid treatment system
AUTOTROL CORP34 citations89
US4490249ADec 25, 1984
Microcomputer controlled demand/scheduled water softener
AUTOTROL CORP27 citations89
US4469602ASep 4, 1984
Microcomputer controlled demand/scheduled water softener having automatic resin bed sensing
AUTOTROL CORP34 citations89
US4426294AJan 17, 1984
Microcomputer controlled demand/scheduled water softener
AUTOTROL CORP42 citations89
US4662538AMay 5, 1987
Bactericidal pellet dispenser
AUTOTROL CORP26 citations87
US5064094ANov 12, 1991
Pellet dispensing unit
AUTOTROL CORP33 citations85
US5058032AOct 15, 1991
Apparatus and method for monitoring a water treatment system
AUTOTROL CORP24 citations85
US4673527AJun 16, 1987
Tablet granulation
AUTOTROL CORP46 citations85
US4385992AMay 31, 1983
Water softener control
AUTOTROL CORP31 citations85
US4160736AJul 10, 1979
Rotating trickling filter
AUTOTROL CORP58 citations85
US4093539AJun 6, 1978
Activated sludge treatment of wastewater
AUTOTROL CORP39 citations81
US4470911ASep 11, 1984
Microcomputer controlled demand/scheduled water softener with variable capacity
AUTOTROL CORP31 citations80
US4609471ASep 2, 1986
Laser disinfection of fluids enhanced by gas bubbles
AUTOTROL CORP20 citations78
US4676403AJun 30, 1987
Method and circuit for timing chemical dispenser operation
AUTOTROL CORP21 citations76
US4729665AMar 8, 1988
Fluid mixer/charger and method
AUTOTROL CORP12 citations74
US4684063AAug 4, 1987
Particulates generation and removal
AUTOTROL CORP14 citations74
US4684254AAug 4, 1987
Fluid mixer/charger
AUTOTROL CORP15 citations74
US4629126ADec 16, 1986
Fluid diffuser
AUTOTROL CORP16 citations72
US5335267AAug 2, 1994
Apparatus and method for transmitting text data directly to a facsimile machine
AUTOTROL CORP9 citations71
US4737275AApr 12, 1988
Resin pressure sensor for water treatment
AUTOTROL CORP10 citations71
US3932273AJan 13, 1976
Method for the primary and secondary treatment of wastewater in a unitary apparatus
AUTOTROL CORP16 citations71
US4668386AMay 26, 1987
Water quality monitor
AUTOTROL CORP14 citations70
US4035290AJul 12, 1977
Method for the treatment of wastewater
AUTOTROL CORP12 citations69
US3976568AAug 24, 1976
Method of wastewater treatment
AUTOTROL CORP16 citations69
US4688699AAug 25, 1987
Bactericidal mixture control system having flow and dispense duration controls for respective substances
AUTOTROL CORP10 citations68
US4597530AJul 1, 1986
Fluid diffuser
AUTOTROL CORP14 citations68
US4765965AAug 23, 1988
Mixer charger reaction control system and method of affecting a chemical reaction
AUTOTROL CORP6 citations63
US4721875AJan 26, 1988
Radiation-emitting devices
AUTOTROL CORP4 citations63
US4716325ADec 29, 1987
Disengageable one-way mechanism for synchronous motors
AUTOTROL CORP6 citations60
US4130482ADec 19, 1978
Wastewater treatment
AUTOTROL CORP3 citations58
US4687031AAug 18, 1987
Valve control with mechanical memory
AUTOTROL CORP6 citations54