Assignee
TOKHEIM CORP
US·62 granted patents·9 pending applications·2,087 citations·filing 1974–2007
Top patents by PatentIndex Score
71 records- 0193US5521345ABacklit membrane keypadTOKHEIM CORP·Filed 1994·Granted May 28, 1996·97 cites·9 claims
- 0293US4637254AGauge apparatus for measuring liquid levelsTOKHEIM CORP·Filed 1984·Granted Jan 20, 1987·74 cites·44 claims
- 0391US5215655ADispenser interlock fuel filter system disabled in response to filter removalTOKHEIM CORP·Filed 1991·Granted Jun 1, 1993·79 cites·18 claims
- 0491US4831866AAutomatic meter proving and calibration systemTOKHEIM CORP·Filed 1987·Granted May 23, 1989·81 cites·36 claims
- 0587US6070453AComputerized dispenser testerTOKHEIM CORP·Filed 1998·Granted Jun 6, 2000·55 cites·23 claims
- 0687US4204810ABi-directional pumpTOKHEIM CORP·Filed 1976·Granted May 27, 1980·40 cites·45 claims
- 0785US4749009AVapor passage fuel blockage removalTOKHEIM CORP·Filed 1987·Granted Jun 7, 1988·67 cites·5 claims
- 0884US6390151B1Automated fueling system with remote service facility to operate multiple refueling stationsTOKHEIM CORP·Filed 1998·Granted May 21, 2002·83 cites·8 claims
- 0982US4885443ASealed backlit switch assemblyTOKHEIM CORP·Filed 1988·Granted Dec 5, 1989·41 cites·21 claims
- 1082US4842027AVapor passage fuel blockage removalTOKHEIM CORP·Filed 1987·Granted Jun 27, 1989·54 cites·19 claims
- 1182USD262970SQuadruple gasoline pumpTOKHEIM CORP·Filed 1979·Granted Feb 9, 1982·16 cites·1 claims
- 1281US5988232AVapor recovery system employing oxygen detectionTOKHEIM CORP·Filed 1998·Granted Nov 23, 1999·57 cites·19 claims
- 1381US5273085AFluid exchanger with fluid reconciliationTOKHEIM CORP·Filed 1992·Granted Dec 28, 1993·43 cites·15 claims
- 1480US4864696AHose clamp for a fuel dispensing systemTOKHEIM CORP·Filed 1988·Granted Sep 12, 1989·40 cites·13 claims
- 1579US6161060AOctane sensitive dispenser blending systemTOKHEIM CORP·Filed 1999·Granted Dec 12, 2000·57 cites·4 claims
- 1678US6223789B1Regulation of vapor pump valveTOKHEIM CORP·Filed 1999·Granted May 1, 2001·50 cites·6 claims
- 1778US5586583AFluid exchanger with fluid reconciliationTOKHEIM CORP·Filed 1994·Granted Dec 24, 1996·35 cites·8 claims
- 1878US5143258APressure relief for vacuum operated valveTOKHEIM CORP·Filed 1991·Granted Sep 1, 1992·40 cites·4 claims
- 1978US4827987ALiquid fuel blockage removal device with a venturi and bypass passagesTOKHEIM CORP·Filed 1987·Granted May 9, 1989·57 cites·11 claims
- 2078US4156168AElectric motorTOKHEIM CORP·Filed 1976·Granted May 22, 1979·28 cites·19 claims
- 2177US6167747B1Apparatus for detecting hydrocarbon using crystal oscillators within fuel dispensersTOKHEIM CORP·Filed 1998·Granted Jan 2, 2001·46 cites·18 claims
- 2276US6397686B1Hall-effect sensor placed in flowmeter to measure fuel flow rateTOKHEIM CORP·Filed 1999·Granted Jun 4, 2002·46 cites·20 claims
- 2376US5333654AVapor passage fuel blockage removalTOKHEIM CORP·Filed 1993·Granted Aug 2, 1994·44 cites·4 claims
- 2476US4967809AVapor passage fuel blockage removalTOKHEIM CORP·Filed 1989·Granted Nov 6, 1990·51 cites·8 claims
- 2576US4412265AIntrinsic barrierTOKHEIM CORP·Filed 1981·Granted Oct 25, 1983·50 cites·11 claims
- 2672US5040576AVapor passage fuel blockage removalTOKHEIM CORP·Filed 1990·Granted Aug 20, 1991·46 cites·4 claims
- 2771US5038971AVariable blending dispenserTOKHEIM CORP·Filed 1989·Granted Aug 13, 1991·53 cites·35 claims
- 2869US6103532AVapor recovery system utilizing a fiber-optic sensor to detect hydrocarbon emissionsTOKHEIM CORP·Filed 1998·Granted Aug 15, 2000·36 cites·83 claims
- 2969US5129433AVapor passage fuel blockage removalTOKHEIM CORP·Filed 1991·Granted Jul 14, 1992·41 cites·4 claims
- 3068US5240045AVapor passage fuel blockage removalTOKHEIM CORP·Filed 1992·Granted Aug 31, 1993·39 cites·6 claims
- 3167US6375434B1Pump/meter combinationTOKHEIM CORP·Filed 2000·Granted Apr 23, 2002·22 cites·28 claims
- 3267USD301342SLiquid fuel dispensing consoleTOKHEIM CORP·Filed 1987·Granted May 30, 1989·14 cites·1 claims
- 3364US6149032AElectro-mechanical piston meterTOKHEIM CORP·Filed 1999·Granted Nov 21, 2000·30 cites·9 claims
- 3464US6089102AApparatus for measuring the volume of flowing media and a corresponding methodTOKHEIM CORP·Filed 1997·Granted Jul 18, 2000·26 cites·19 claims
- 3564US5016187ALinearized turbine flow meter for fuel dispensersTOKHEIM CORP·Filed 1989·Granted May 14, 1991·39 cites·15 claims
- 3662US5956254AOctane sensitive dispenser blending systemTOKHEIM CORP·Filed 1997·Granted Sep 21, 1999·30 cites·13 claims
- 3762US5125533AVariable blending dispenserTOKHEIM CORP·Filed 1991·Granted Jun 30, 1992·40 cites·4 claims
- 3860US6470288B1Dispenser with updatable diagnostic systemTOKHEIM CORP·Filed 1999·Granted Oct 22, 2002·32 cites·41 claims
- 3959US4360877ADistributed data processing system and method for a fluid dispenserTOKHEIM CORP·Filed 1980·Granted Nov 23, 1982·20 cites·5 claims
- 4057US2003065579A1Computer system for customizing a fuel dispenserTOKHEIM CORP·Filed 2002·Application pending·0 cites
- 4156US6367516B1Method of providing automated remote control of the operation of multiple refueling stationsTOKHEIM CORP·Filed 1999·Granted Apr 9, 2002·27 cites·12 claims
- 4256USD371427SVapor recovery fuel nozzle deflectorTOKHEIM CORP·Filed 1995·Granted Jul 2, 1996·11 cites·1 claims
- 4355USD262115STriple gasoline pumpTOKHEIM CORP·Filed 1979·Granted Dec 1, 1981·5 cites·1 claims
- 4452US6290760B1Air separator systemTOKHEIM CORP·Filed 1999·Granted Sep 18, 2001·21 cites·14 claims
- 4552US5158207ALeak detection deviceTOKHEIM CORP·Filed 1991·Granted Oct 27, 1992·33 cites·10 claims
- 4651US6413484B1Catalytic oxidation of vapor emissions discharged during vehicle refuelingTOKHEIM CORP·Filed 1999·Granted Jul 2, 2002·15 cites·26 claims
- 4751US4051998ADigital electronic data system for a fluid dispenserTOKHEIM CORP·Filed 1975·Granted Oct 4, 1977·19 cites·41 claims
- 4850US6688342B2Fuel dispenser using infrared technology to facilitate the communication of structured dataTOKHEIM CORP·Filed 2002·Granted Feb 10, 2004·15 cites·12 claims
- 4949US6195528B1Teaching method and systemTOKHEIM CORP·Filed 1998·Granted Feb 27, 2001·24 cites·3 claims
- 5049US6167922B1Water deflection system for use in fuel dispenser cabinetsTOKHEIM CORP·Filed 1999·Granted Jan 2, 2001·22 cites·26 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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