Assignee
TOKHEIM CORP
US62 patents
Top patents by PatentIndex Score
US5988232ANov 23, 1999
Vapor recovery system employing oxygen detection
TOKHEIM CORP57 citations95
US5521345AMay 28, 1996
Backlit membrane keypad
TOKHEIM CORP97 citations95
US5215655AJun 1, 1993
Dispenser interlock fuel filter system disabled in response to filter removal
TOKHEIM CORP79 citations95
US4842027AJun 27, 1989
Vapor passage fuel blockage removal
TOKHEIM CORP54 citations95
US4827987AMay 9, 1989
Liquid fuel blockage removal device with a venturi and bypass passages
TOKHEIM CORP57 citations95
US4749009AJun 7, 1988
Vapor passage fuel blockage removal
TOKHEIM CORP67 citations95
US4637254AJan 20, 1987
Gauge apparatus for measuring liquid levels
TOKHEIM CORP74 citations94
US6264103B1Jul 24, 2001
Card processor for use in fuel dispensing equipment
TOKHEIM CORP22 citations93
US4831866AMay 23, 1989
Automatic meter proving and calibration system
TOKHEIM CORP81 citations93
US4204810AMay 27, 1980
Bi-directional pump
TOKHEIM CORP40 citations93
US6390151B1May 21, 2002
Automated fueling system with remote service facility to operate multiple refueling stations
TOKHEIM CORP83 citations92
US6223789B1May 1, 2001
Regulation of vapor pump valve
TOKHEIM CORP50 citations92
US6167747B1Jan 2, 2001
Apparatus for detecting hydrocarbon using crystal oscillators within fuel dispensers
TOKHEIM CORP46 citations92
US6149032ANov 21, 2000
Electro-mechanical piston meter
TOKHEIM CORP30 citations92
US6103532AAug 15, 2000
Vapor recovery system utilizing a fiber-optic sensor to detect hydrocarbon emissions
TOKHEIM CORP36 citations92
US6161060ADec 12, 2000
Octane sensitive dispenser blending system
TOKHEIM CORP57 citations91
US5333654AAug 2, 1994
Vapor passage fuel blockage removal
TOKHEIM CORP44 citations91
US5240045AAug 31, 1993
Vapor passage fuel blockage removal
TOKHEIM CORP39 citations91
US5143258ASep 1, 1992
Pressure relief for vacuum operated valve
TOKHEIM CORP40 citations91
US5129433AJul 14, 1992
Vapor passage fuel blockage removal
TOKHEIM CORP41 citations91
US5040576AAug 20, 1991
Vapor passage fuel blockage removal
TOKHEIM CORP46 citations91
US4967809ANov 6, 1990
Vapor passage fuel blockage removal
TOKHEIM CORP51 citations91
US6070453AJun 6, 2000
Computerized dispenser tester
TOKHEIM CORP55 citations90
US6397686B1Jun 4, 2002
Hall-effect sensor placed in flowmeter to measure fuel flow rate
TOKHEIM CORP46 citations89
US6375434B1Apr 23, 2002
Pump/meter combination
TOKHEIM CORP22 citations89
US6195528B1Feb 27, 2001
Teaching method and system
TOKHEIM CORP24 citations89
US6089102AJul 18, 2000
Apparatus for measuring the volume of flowing media and a corresponding method
TOKHEIM CORP26 citations89
US4864696ASep 12, 1989
Hose clamp for a fuel dispensing system
TOKHEIM CORP40 citations89
US6290760B1Sep 18, 2001
Air separator system
TOKHEIM CORP21 citations88
US5956254ASep 21, 1999
Octane sensitive dispenser blending system
TOKHEIM CORP30 citations88
US5586583ADec 24, 1996
Fluid exchanger with fluid reconciliation
TOKHEIM CORP35 citations88
US5273085ADec 28, 1993
Fluid exchanger with fluid reconciliation
TOKHEIM CORP43 citations88
US6367516B1Apr 9, 2002
Method of providing automated remote control of the operation of multiple refueling stations
TOKHEIM CORP27 citations87
US6470288B1Oct 22, 2002
Dispenser with updatable diagnostic system
TOKHEIM CORP32 citations86
US6167922B1Jan 2, 2001
Water deflection system for use in fuel dispenser cabinets
TOKHEIM CORP22 citations86
US5125533AJun 30, 1992
Variable blending dispenser
TOKHEIM CORP40 citations86
US5038971AAug 13, 1991
Variable blending dispenser
TOKHEIM CORP53 citations86
US5016187AMay 14, 1991
Linearized turbine flow meter for fuel dispensers
TOKHEIM CORP39 citations86
US6413484B1Jul 2, 2002
Catalytic oxidation of vapor emissions discharged during vehicle refueling
TOKHEIM CORP15 citations83
US4885443ADec 5, 1989
Sealed backlit switch assembly
TOKHEIM CORP41 citations83
US4412265AOct 25, 1983
Intrinsic barrier
TOKHEIM CORP50 citations82
US4156168AMay 22, 1979
Electric motor
TOKHEIM CORP28 citations82
US5158207AOct 27, 1992
Leak detection device
TOKHEIM CORP33 citations81
US5127555AJul 7, 1992
Submerged pump manifold with electrical interlocked changeable filter
TOKHEIM CORP12 citations72
US4360877ANov 23, 1982
Distributed data processing system and method for a fluid dispenser
TOKHEIM CORP20 citations71
USD262970SFeb 9, 1982
Quadruple gasoline pump
TOKHEIM CORP16 citations71
US6688342B2Feb 10, 2004
Fuel dispenser using infrared technology to facilitate the communication of structured data
TOKHEIM CORP15 citations70
US6510416B1Jan 21, 2003
Method and apparatus for performing refueling transactions using customer-issued speech commands
TOKHEIM CORP13 citations70
US6131768AOct 17, 2000
Multi-fuel dispenser employing a single meter with bypass loop and multiple hoses
TOKHEIM CORP10 citations69
USD371427SJul 2, 1996
Vapor recovery fuel nozzle deflector
TOKHEIM CORP11 citations69
Showing the top 50 of 62 patents by PatentIndex Score.