Assignee
MAGNETROL INT
US·44 granted patents·3 pending applications·1,070 citations·filing 1979–2013
Top patents by PatentIndex Score
47 records- 0193US5131271AUltrasonic level detectorMAGNETROL INT·Filed 1990·Granted Jul 21, 1992·131 cites·10 claims
- 0291US6062095ADual compartment instrument housingMAGNETROL INT·Filed 1998·Granted May 16, 2000·106 cites·21 claims
- 0388US8963769B2Guided wave radar interface measurement medium identificationMAGNETROL INT·Filed 2012·Granted Feb 24, 2015·9 cites·18 claims
- 0487US5452267AMidrange ultrasonic transducerMAGNETROL INT·Filed 1994·Granted Sep 19, 1995·94 cites·18 claims
- 0586US6588272B2Redundant level measuring systemMAGNETROL INT·Filed 2001·Granted Jul 8, 2003·49 cites·22 claims
- 0685US4347740ACapacitive level sensing deviceMAGNETROL INT·Filed 1979·Granted Sep 7, 1982·50 cites·3 claims
- 0780US6515487B1Low voltage low current bubble detection circuitMAGNETROL INT·Filed 2000·Granted Feb 4, 2003·32 cites·14 claims
- 0880US5335545AUltrasonic detector with frequency matchingMAGNETROL INT·Filed 1990·Granted Aug 9, 1994·40 cites·14 claims
- 0979US7889120B2Pulsed radar level detection system using pulse dithering to eliminate inaccuracies caused by tank rattleMAGNETROL INT·Filed 2009·Granted Feb 15, 2011·11 cites·20 claims
- 1078US5703289AMicrowave transmitter housingMAGNETROL INT·Filed 1995·Granted Dec 30, 1997·47 cites·25 claims
- 1177US7106248B2Through air radar level transmitterMAGNETROL INT·Filed 2005·Granted Sep 12, 2006·12 cites·15 claims
- 1276US9279705B2High temperature high pressure sealMAGNETROL INT·Filed 2012·Granted Mar 8, 2016·3 cites·19 claims
- 1376US5207101ATwo-wire ultrasonic transmitterMAGNETROL INT·Filed 1991·Granted May 4, 1993·64 cites·20 claims
- 1475US9217659B2Guided wave radar probe with leak detectionMAGNETROL INT·Filed 2012·Granted Dec 22, 2015·4 cites·20 claims
- 1574US9069056B2Guided wave radar probe reference targetMAGNETROL INT·Filed 2012·Granted Jun 30, 2015·5 cites·20 claims
- 1669US6980174B2Process control instrument intrinsic safety barrierMAGNETROL INT·Filed 2003·Granted Dec 27, 2005·19 cites·11 claims
- 1769US5907112AProbe secondary sealMAGNETROL INT·Filed 1997·Granted May 25, 1999·35 cites·28 claims
- 1869US4515015ACapacitance level sensor for use with viscous, electrically conductive materialsMAGNETROL INT·Filed 1983·Granted May 7, 1985·31 cites·12 claims
- 1966US9360361B2System and method for emulsion measurement and profilingMAGNETROL INT·Filed 2013·Granted Jun 7, 2016·2 cites·27 claims
- 2066US5277065ADetector with ringdown frequency matchingMAGNETROL INT·Filed 1993·Granted Jan 11, 1994·35 cites·20 claims
- 2166US5157639AUltrasonic detectorMAGNETROL INT·Filed 1990·Granted Oct 20, 1992·53 cites·69 claims
- 2264US7259952B2Process control instrument intrinsic safety barrierMAGNETROL INT·Filed 2005·Granted Aug 21, 2007·4 cites·18 claims
- 2363US9207306B2Level measurement instrument fiducial detection methodMAGNETROL INT·Filed 2012·Granted Dec 8, 2015·2 cites·30 claims
- 2463US7466124B2Magnetostrictive transmitter with improved piezoelectric sensorMAGNETROL INT·Filed 2006·Granted Dec 16, 2008·6 cites·8 claims
- 2563US5121632APoint level switchMAGNETROL INT·Filed 1991·Granted Jun 16, 1992·25 cites·20 claims
- 2662US6906662B2Time domain reflectometry measurement instrumentMAGNETROL INT·Filed 2002·Granted Jun 14, 2005·18 cites·7 claims
- 2759US9151838B2Ceramic probe rod support assemblyMAGNETROL INT·Filed 2012·Granted Oct 6, 2015·1 cites·20 claims
- 2858US7102584B2Through air radar level transmitterMAGNETROL INT·Filed 2003·Granted Sep 5, 2006·12 cites·26 claims
- 2958US5640880AMagnetostrictive sensorMAGNETROL INT·Filed 1995·Granted Jun 24, 1997·26 cites·22 claims
- 3057US6801157B2Guided wave radar level transmitterMAGNETROL INT·Filed 2003·Granted Oct 5, 2004·10 cites·8 claims
- 3157US4917135ALiquid level regulator deviceMAGNETROL INT·Filed 1989·Granted Apr 17, 1990·19 cites·22 claims
- 3255US5611239AMicrowave point instrument with self-test circuitMAGNETROL INT·Filed 1994·Granted Mar 18, 1997·26 cites·14 claims
- 3353US5495130APoint level switchMAGNETROL INT·Filed 1990·Granted Feb 27, 1996·14 cites·15 claims
- 3448US7271646B2Loop powered process control instrument power supplyMAGNETROL INT·Filed 2003·Granted Sep 18, 2007·7 cites·20 claims
- 3547US9081081B2Diode switched front end for guided wave radar level transmitterMAGNETROL INT·Filed 2012·Granted Jul 14, 2015·0 cites·20 claims
- 3645US5012589ADisplacement servo gaugeMAGNETROL INT·Filed 1989·Granted May 7, 1991·14 cites·16 claims
- 3744US4742195AHigh temperature hermetic switchMAGNETROL INT·Filed 1985·Granted May 3, 1988·8 cites·11 claims
- 3841US5701084AInsulated capacitance probeMAGNETROL INT·Filed 1995·Granted Dec 23, 1997·17 cites·23 claims
- 3941US5089676ALiquid level float switchMAGNETROL INT·Filed 1990·Granted Feb 18, 1992·7 cites·17 claims
- 4040US9121942B2Guided wave radar delay lock loop circuitMAGNETROL INT·Filed 2012·Granted Sep 1, 2015·0 cites·20 claims
- 4140US7874210B2Ultrasonic sensor assembly and methodMAGNETROL INT·Filed 2008·Granted Jan 25, 2011·0 cites·12 claims
- 4239US4537061AElectronic level detectorMAGNETROL INT·Filed 1983·Granted Aug 27, 1985·8 cites·5 claims
- 4338US2014118185A1Level measurement instrument fiducial diagnosticsMAGNETROL INT·Filed 2013·Application pending·0 cites
- 4436US4375020AOscillating level indicatorMAGNETROL INT·Filed 1981·Granted Feb 22, 1983·8 cites·12 claims
- 4536US2007044708A1Ultrasonic sensor assembly and methodMAGNETROL INT·Filed 2005·Application pending·0 cites
- 4636US2009031799A1Float diagnostics for level measurementMAGNETROL INT·Filed 2007·Application pending·0 cites
- 4735US5434555AThermal dispersion switch with self test circuitMAGNETROL INT·Filed 1993·Granted Jul 18, 1995·6 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →