Inventor · disambiguated record
Christian V. O'Keefe
Also filed as: O'KEEFE CHRISTIAN · O'KEEFE CHRISTIAN V · O'KEEFE CHRISTIAN VICTOR
32 granted patents·5 pending applications·932 citations·filing 1993–2019
97Inventor score
Files withCIDRA CORPORATE SERVICES INC10ROTHMAN PAUL J7CIDRA CORP5BECTON DICKINSON CO2CIDRA CORPORATE SERVICES LLC2
Top patents by PatentIndex Score
37 records- 0195US9352335B2Synthetic beads/bubbles functionalized with molecules for attracting and attaching to mineral particles of interestROTHMAN PAUL J·Filed 2012·Granted May 31, 2016·10 cites·40 claims
- 0295US7430924B2Flow measurement apparatus having strain-based sensors and ultrasonic sensorsEXPRO METERS INC·Filed 2007·Granted Oct 7, 2008·29 cites·28 claims
- 0395US6597450B1Automated Optical Reader for Nucleic Acid AssaysBECTON DICKINSON CO·Filed 2000·Granted Jul 22, 2003·290 cites·28 claims
- 0495US6043880AAutomated optical reader for nucleic acid assaysBECTON DICKINSON CO·Filed 1997·Granted Mar 28, 2000·386 cites·24 claims
- 0593US7503227B2Method and apparatus for measuring parameters of a fluid flow using an array of sensorsCIDRA CORPORATE SERVICES INC·Filed 2006·Granted Mar 17, 2009·32 cites·23 claims
- 0689US9335298B2Wear monitoring with rotational sensor and sensor thicknessCIDRA CORPORATE SERVICES INC·Filed 2013·Granted May 10, 2016·6 cites·31 claims
- 0789US9327294B2Synthetic bubbles or beads having hydrophobic surfaceROTHMAN PAUL J·Filed 2012·Granted May 3, 2016·3 cites·42 claims
- 0888US7126740B2Multifunctional optical device having a spatial light modulator with an array of micromirrorsCIDRA CORP·Filed 2003·Granted Oct 24, 2006·39 cites·51 claims
- 0985US9981271B2Method and system for releasing mineral from synthetic bubbles and beadsROTHMAN PAUL J·Filed 2012·Granted May 29, 2018·2 cites·18 claims
- 1083US11260399B2Assessing the benefits of automatic grinding control using PST technology for true on-line particle size measurementCIDRA CORPORATE SERVICES INC·Filed 2018·Granted Mar 1, 2022·3 cites·23 claims
- 1183US9943860B2Mineral recovery in tailings using functionalized polymersROTHMAN PAUL J·Filed 2012·Granted Apr 17, 2018·3 cites·24 claims
- 1283US6922277B2Optical interleaver/deinterleaver device having an array of micro-mirrorsCIDRA CORP·Filed 2002·Granted Jul 26, 2005·27 cites·44 claims
- 1382US7673526B2Apparatus and method of lensing an ultrasonic beam for an ultrasonic flow meterEXPRO METERS INC·Filed 2007·Granted Mar 9, 2010·13 cites·13 claims
- 1482US7237440B2Flow measurement apparatus having strain-based sensors and ultrasonic sensorsCIDRA CORP·Filed 2004·Granted Jul 3, 2007·22 cites·59 claims
- 1579US9827574B2Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beadsROTHMAN PAUL J·Filed 2012·Granted Nov 28, 2017·2 cites·30 claims
- 1679US9366653B2Graphical user interface re wear monitoringCIDRA CORPORATE SERVICES INC·Filed 2013·Granted Jun 14, 2016·2 cites·27 claims
- 1777US9062682B2Applications of pump performance monitoringLOOSE DOUGLAS H·Filed 2009·Granted Jun 23, 2015·10 cites·45 claims
- 1876US10379071B2Dual acoustic and electrical analysis technique for the tomographic determination of multiphase flows in pipes and/or liquid/froth interfaces in process tanksKERSEY ALAN D·Filed 2013·Granted Aug 13, 2019·2 cites·30 claims
- 1975US10751693B2Mineral recovery using hydrophobic polymer surfacesCIDRA CORPORATE SERVICES INC·Filed 2015·Granted Aug 25, 2020·1 cites·21 claims
- 2075US5361313ATwo-mode remote fiber optic sensorMARTIN MARIETTA CORP·Filed 1993·Granted Nov 1, 1994·25 cites·8 claims
- 2173US10357782B2Flotation separation using lightweight synthetic beads or bubblesROTHMAN PAUL J·Filed 2012·Granted Jul 23, 2019·1 cites·54 claims
- 2270US10245597B2Dimensionally controlled ‘engineered polymer bubble’ for flotation separationCIDRA CORPORATE SERVICES INC·Filed 2013·Granted Apr 2, 2019·2 cites·36 claims
- 2369US5483607ATwo-mode remote fiber optic sensorMARTIN MARIETTA CORP·Filed 1994·Granted Jan 9, 1996·21 cites·8 claims
- 2467US11135597B2Method and system for releasing mineral from synthetic bubbles and beadsCIDRA CORPORATE SERVICES LLC·Filed 2018·Granted Oct 5, 2021·0 cites·20 claims
- 2566US11117141B2Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beadsCIDRA CORPORATE SERVICES INC·Filed 2017·Granted Sep 14, 2021·0 cites·29 claims
- 2666US2020191130A1Method and apparatus for predicting maintenance needs of a pump based at least partly on pump performance analysisCIDRA CORPORATE SERVICES INC·Filed 2019·Application pending·0 cites
- 2760US9645001B2Performance monitoring of individual hydrocyclones using sonar-based slurry flow measurementVAN DER SPEK ALEX M·Filed 2010·Granted May 9, 2017·1 cites·21 claims
- 2859US11731143B2Mineral separation using functionalized membranesROTHMAN PAUL J·Filed 2012·Granted Aug 22, 2023·0 cites·36 claims
- 2950US10835905B2Recovery media for mineral processingCIDRA CORPORATE SERVICES INC·Filed 2017·Granted Nov 17, 2020·0 cites·27 claims
- 3046US2012141301A1Method and apparatus for predicting maintenance needs of a pump based at least partly on pump performance analysisVAN DER SPEK ALEX·Filed 2010·Application pending·0 cites
- 3145US2021379603A1Open cell or reticulated foam having 3-dimensional open-network structure made of a hydrophobic material for selective separation of mineral particlesCIDRA CORPORATE SERVICES LLC·Filed 2019·Application pending·0 cites
- 3244US10678207B2Method and apparatus for the control of a flotation separation process, including parameters of the flotation process and reagent addition to optimize mineral recoveryROTHMAN PAUL JOSEPH·Filed 2011·Granted Jun 9, 2020·0 cites·12 claims
- 3342US2003095307A1Reconfigurable optical add/drop multiplexer having an array of micro-mirrorsCIDRA CORP·Filed 2002·Application pending·0 cites
- 3441US9404893B2Flow and pipe management using velocity profile measurement and/or pipe wall thickness and wear monitoringO'KEEFE CHRISTIAN·Filed 2009·Granted Aug 2, 2016·0 cites·49 claims
- 3539US2003090756A1Optical channel monitor having an array of micro-mirrorsCIDRA CORP·Filed 2002·Application pending·0 cites
- 3638US12458986B2Detection of cyclone wear or damage using individual cyclone overflow measurementCIDRA CORPORATE SERVICES INC·Filed 2016·Granted Nov 4, 2025·0 cites·29 claims
- 3738US9291490B2Applications of sonar-based VF/GVF metering to industrial processingROTHMAN PAUL JOSEPH·Filed 2009·Granted Mar 22, 2016·0 cites·26 claims
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