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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →