Assignee
FLUKE MFG CO JOHN
160 granted patents·4,438 citations·filing 1972–1994
Top patents by PatentIndex Score
160 records- 0198USD337435SMultimeter holsterFLUKE MFG CO JOHN·Filed 1991·Granted Jul 20, 1993·89 cites·1 claims
- 0297USD312534SMultimeter holsterFLUKE MFG CO JOHN·Filed 1987·Granted Dec 4, 1990·142 cites·1 claims
- 0395US4604799AMethod of making molded circuit boardFLUKE MFG CO JOHN·Filed 1982·Granted Aug 12, 1986·94 cites·68 claims
- 0494US4696860AParticulate spacers for inhibiting Newton rings in touch sensitive overlaysFLUKE MFG CO JOHN·Filed 1985·Granted Sep 29, 1987·76 cites·19 claims
- 0593US4336505AControlled frequency signal source apparatus including a feedback path for the reduction of phase noiseFLUKE MFG CO JOHN·Filed 1980·Granted Jun 22, 1982·100 cites·13 claims
- 0692US5012181AApparatus for and method of internally calibrating an electrical calibratorFLUKE MFG CO JOHN·Filed 1987·Granted Apr 30, 1991·57 cites·37 claims
- 0792US4847547ABattery charger with Vbe temperature compensation circuitFLUKE MFG CO JOHN·Filed 1988·Granted Jul 11, 1989·168 cites·6 claims
- 0890US4357062AUniversal circuit board test fixtureFLUKE MFG CO JOHN·Filed 1980·Granted Nov 2, 1982·95 cites·11 claims
- 0989US4893115ATouch sensitive visual display systemFLUKE MFG CO JOHN·Filed 1987·Granted Jan 9, 1990·107 cites·39 claims
- 1089US4725816AMatrix keyboard encoder circuitFLUKE MFG CO JOHN·Filed 1984·Granted Feb 16, 1988·43 cites·13 claims
- 1189US4455654ATest apparatus for electronic assemblies employing a microprocessorFLUKE MFG CO JOHN·Filed 1981·Granted Jun 19, 1984·137 cites·56 claims
- 1288USD332227SDigital multimeterFLUKE MFG CO JOHN·Filed 1991·Granted Jan 5, 1993·30 cites·1 claims
- 1387US5479643AVirtual machine programming systemFLUKE MFG CO JOHN·Filed 1991·Granted Dec 26, 1995·135 cites·8 claims
- 1487US5206796AElectronic instrument with emi/esd shielding systemFLUKE MFG CO JOHN·Filed 1991·Granted Apr 27, 1993·78 cites·9 claims
- 1586USD325471SMultimeter holsterFLUKE MFG CO JOHN·Filed 1990·Granted Apr 21, 1992·34 cites·1 claims
- 1686USD314715SDigital multimeterFLUKE MFG CO JOHN·Filed 1987·Granted Feb 19, 1991·27 cites·1 claims
- 1786US4715034AMethod of and system for fast functional testing of random access memoriesFLUKE MFG CO JOHN·Filed 1985·Granted Dec 22, 1987·53 cites·24 claims
- 1886US4423299ATouch sensitive transparent switch arrayFLUKE MFG CO JOHN·Filed 1981·Granted Dec 27, 1983·34 cites·27 claims
- 1984US4849880AVirtual machine programming systemFLUKE MFG CO JOHN·Filed 1985·Granted Jul 18, 1989·78 cites·20 claims
- 2083US5343164AOperational amplifier circuit with slew rate enhancementFLUKE MFG CO JOHN·Filed 1993·Granted Aug 30, 1994·37 cites·13 claims
- 2183USD282532SMultimeterFLUKE MFG CO JOHN·Filed 1983·Granted Feb 11, 1986·18 cites·1 claims
- 2283US4276513AAuto-zero amplifier circuit with wide dynamic rangeFLUKE MFG CO JOHN·Filed 1979·Granted Jun 30, 1981·25 cites·29 claims
- 2382US4718777AIsothermal block for temperature measurement system using a thermocoupleFLUKE MFG CO JOHN·Filed 1986·Granted Jan 12, 1988·50 cites·12 claims
- 2482US4313209APhase-locked loop frequency synthesizer including compensated phase and frequency modulationFLUKE MFG CO JOHN·Filed 1980·Granted Jan 26, 1982·40 cites·11 claims
- 2582US4257061AThermally isolated monolithic semiconductor dieFLUKE MFG CO JOHN·Filed 1977·Granted Mar 17, 1981·50 cites·98 claims
- 2681US5379176AProtective input circuit for an instrumentFLUKE MFG CO JOHN·Filed 1993·Granted Jan 3, 1995·56 cites·15 claims
- 2781US5218290AMulti-function, multi-mode switch for an instrumentFLUKE MFG CO JOHN·Filed 1991·Granted Jun 8, 1993·50 cites·13 claims
- 2881US5073757AApparatus for and method of measuring capacitance of a capacitive elementFLUKE MFG CO JOHN·Filed 1988·Granted Dec 17, 1991·42 cites·7 claims
- 2981US4567480ATouch-sensitive overlayFLUKE MFG CO JOHN·Filed 1982·Granted Jan 28, 1986·56 cites·34 claims
- 3081US4458196AMethod and apparatus for high speed resistance, inductance and capacitance measurementFLUKE MFG CO JOHN·Filed 1981·Granted Jul 3, 1984·44 cites·34 claims
- 3181US4271515AUniversal analog and digital testerFLUKE MFG CO JOHN·Filed 1979·Granted Jun 2, 1981·36 cites·11 claims
- 3280US5119019AAutomatic function selecting multimeterFLUKE MFG CO JOHN·Filed 1989·Granted Jun 2, 1992·39 cites·24 claims
- 3380US4940204AInstrument having flexible standFLUKE MFG CO JOHN·Filed 1989·Granted Jul 10, 1990·68 cites·28 claims
- 3480US4901052AResistor network having bi-axial symmetryFLUKE MFG CO JOHN·Filed 1988·Granted Feb 13, 1990·26 cites·7 claims
- 3580USD280299SDigital multimeter for electrical measurementFLUKE MFG CO JOHN·Filed 1983·Granted Aug 27, 1985·16 cites·1 claims
- 3680US4302689ASample and hold circuitFLUKE MFG CO JOHN·Filed 1979·Granted Nov 24, 1981·25 cites·10 claims
- 3779US5382910ADual time base zero dead zone time domain reflectometerFLUKE MFG CO JOHN·Filed 1993·Granted Jan 17, 1995·37 cites·13 claims
- 3878US5321403AMultiple slope analog-to-digital converterFLUKE MFG CO JOHN·Filed 1993·Granted Jun 14, 1994·50 cites·9 claims
- 3978US4907341ACompound resistor manufacturing methodFLUKE MFG CO JOHN·Filed 1987·Granted Mar 13, 1990·44 cites·9 claims
- 4078USD292494SDigital electronic thermometer or similar articleFLUKE MFG CO JOHN·Filed 1985·Granted Oct 27, 1987·20 cites·1 claims
- 4178US4628278ALow even-order harmonic distortion amplifier and methodFLUKE MFG CO JOHN·Filed 1984·Granted Dec 9, 1986·19 cites·13 claims
- 4278US4063169AMethod and apparatus for microwave frequency countingFLUKE MFG CO JOHN·Filed 1976·Granted Dec 13, 1977·25 cites·25 claims
- 4377US5309428AToken ring local area network testing apparatus for phase jitter testingFLUKE MFG CO JOHN·Filed 1993·Granted May 3, 1994·49 cites·19 claims
- 4477US4951834AMolded gasket for instrument housingFLUKE MFG CO JOHN·Filed 1989·Granted Aug 28, 1990·32 cites·20 claims
- 4577US4951004ACoherent direct digital synthesizerFLUKE MFG CO JOHN·Filed 1989·Granted Aug 21, 1990·30 cites·10 claims
- 4677US4868516AAlternating current amplifier with digitally controlled frequency responseFLUKE MFG CO JOHN·Filed 1988·Granted Sep 19, 1989·29 cites·22 claims
- 4777US4864512AMeasurement apparatus with plural displays of measured parameter and selectable function thereofFLUKE MFG CO JOHN·Filed 1986·Granted Sep 5, 1989·34 cites·28 claims
- 4877USD292493SDigital electronic thermometer or similar articleFLUKE MFG CO JOHN·Filed 1985·Granted Oct 27, 1987·19 cites·1 claims
- 4976US4360788APhase-locked loop frequency synthesizerFLUKE MFG CO JOHN·Filed 1980·Granted Nov 23, 1982·40 cites·20 claims
- 5076US4216374AHybrid signature test method and apparatusFLUKE MFG CO JOHN·Filed 1978·Granted Aug 5, 1980·27 cites·10 claims
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