Inventor · disambiguated record
David E. Vokey
Also filed as: VOKEY DAVID · VOKEY DAVID E
53 granted patents·13 pending applications·1,106 citations·filing 1981–2025
99Inventor score
Files withNETWORK INTEGRITY SYSTEMS INC19DETEC SYSTEMS LLC13NORSCAN INSTR LTD6MURPHY CARY R5NORSCAN INC4
Top patents by PatentIndex Score
66 records- 0197US7554345B2Method and apparatus to detect and locate damage and breaches in roof membranesDETEC SYSTEMS LLC·Filed 2007·Granted Jun 30, 2009·54 cites·27 claims
- 0296US9695593B2Leak detection in roof membranesDETEC SYSTEMS LLC·Filed 2015·Granted Jul 4, 2017·15 cites·16 claims
- 0396US8319508B2Method and apparatus to detect and locate roof leaksVOKEY DAVID E·Filed 2009·Granted Nov 27, 2012·65 cites·11 claims
- 0496US4729628AFiber optic dropwireSIECOR CORP·Filed 1986·Granted Mar 8, 1988·144 cites·11 claims
- 0595US7092586B2Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditionsNETWORK INTEGRITY SYSTEMS INC·Filed 2005·Granted Aug 15, 2006·46 cites·13 claims
- 0694US7292155B2Moisture detection sensor tape with leak locateDETEC SYSTEMS LLC·Filed 2005·Granted Nov 6, 2007·61 cites·20 claims
- 0794US7206469B2Intrusion detection system for use on single mode optical fiber using a polarimeterNETWORK INTEGRITY SYSTEMS INC·Filed 2005·Granted Apr 17, 2007·23 cites·19 claims
- 0893US11501617B2Test device for verifying operation of an optical fiber monitoring systemNETWORK INTEGRITY SYSTEMS INC·Filed 2020·Granted Nov 15, 2022·2 cites·33 claims
- 0993US7602196B2Method to detect and locate a breach in a roof membraneDETEC SYSTEMS INC·Filed 2008·Granted Oct 13, 2009·35 cites·13 claims
- 1093US7120324B2Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditionsNETWORK INTEGRITY SYSTEMS INC·Filed 2005·Granted Oct 10, 2006·31 cites·18 claims
- 1192US4386231ACable assembly for detecting the ingress of water inside a cableCANADA WIRE & CABLE CO LTD·Filed 1981·Granted May 31, 1983·61 cites·8 claims
- 1290US7693359B2Intrusion detection system for use on single mode optical fiber using a cost reduced polarimeterNETWORK INTEGRITY SYSTEMS INC·Filed 2005·Granted Apr 6, 2010·14 cites·17 claims
- 1390US7688215B2Moisture detection sensor tape and probes to determine surface moisture and material moisture levelsDETEC SYSTEMS LLC·Filed 2007·Granted Mar 30, 2010·28 cites·16 claims
- 1490US7333681B2Intrusion detection and location system for use on multimode fiber optic cableNETWORK INTEGRITY SYSTEMS INC·Filed 2006·Granted Feb 19, 2008·24 cites·10 claims
- 1590US7142737B1Intrusion detection system for use on single mode optical fiber using a storage register for dataNETWORK INTEGRITY SYSTEMS INC·Filed 2005·Granted Nov 28, 2006·40 cites·20 claims
- 1689US9244030B2Method of detecting a leak in a membrane of a roofDETEC SYSTEMS LLC·Filed 2013·Granted Jan 26, 2016·10 cites·17 claims
- 1789US7706641B2Monitoring individual fibers of an optical cable for intrusionNETWORK INTEGRITY SYSTEMS INC·Filed 2006·Granted Apr 27, 2010·20 cites·16 claims
- 1888US7376293B2Remote location of active section of fiber in a multimode intrusion detection systemNETWORK INTERGRITY SYSTEMS INC·Filed 2006·Granted May 20, 2008·17 cites·15 claims
- 1988US2025356746A1Transmission line monitoring system testingCYBERSECURE IPS LLC·Filed 2025·Application pending·0 cites
- 2086US7403674B2Intrusion detection system for a multimode optical fiber using a bulk optical wavelength division multiplexer for maintaining modal power distributionNETWORK INTEGRITY SYSTEMS INC·Filed 2006·Granted Jul 22, 2008·16 cites·4 claims
- 2185US8233755B2Securing an optical communications network path by suppression of learned ambient disturbancesMURPHY CARY R·Filed 2011·Granted Jul 31, 2012·6 cites·12 claims
- 2285US7768412B2Moisture monitoring system for buildingsDETEC SYSTEMS LLC·Filed 2007·Granted Aug 3, 2010·21 cites·17 claims
- 2383US10352047B2Method of locating a leak site in roof membranes using lengths of moisture detection tape set out in zonesDETEC SYSTEMS LLC·Filed 2017·Granted Jul 16, 2019·5 cites·9 claims
- 2480US12406558B2Transmission line monitoring system testingCYBERSECURE IPS LLC·Filed 2023·Granted Sep 2, 2025·0 cites·20 claims
- 2580US7403675B2Method of high order mode excitation for multimode intrusion detectionNETWORK INTEGRITY SYSTEMS INC·Filed 2006·Granted Jul 22, 2008·11 cites·15 claims
- 2679US8094977B2Intrusion detection system for use on single mode optical fiber using a simplified polarimeterMURPHY CARY R·Filed 2005·Granted Jan 10, 2012·6 cites·15 claims
- 2779US7847560B2Method to detect and locate a breach in vertical or horizontal intersections in a membrane of a roofDETEC SYSTEMS LLC·Filed 2008·Granted Dec 7, 2010·10 cites·19 claims
- 2879US6181140B1Method of estimating the location of a cable break including a means to measure resistive fault levels for cable sectionsNORSCAN INC·Filed 1998·Granted Jan 30, 2001·45 cites·22 claims
- 2977US4480251AApparatus to monitor electrical cables, including splice joints and the like, for the ingress of moistureNORSCAN INSTR LTD·Filed 1983·Granted Oct 30, 1984·36 cites·9 claims
- 3074US11735016B2Test device for verifying operation of an optical fiber monitoring system utilizing direct optical injectionNETWORK INTEGRITY SYSTEMS INC·Filed 2022·Granted Aug 22, 2023·0 cites·18 claims
- 3174US5077526ACable failure detection systemAUTOMATED LIGHT TECH INC·Filed 1990·Granted Dec 31, 1991·37 cites·4 claims
- 3273US5990686AMethod and apparatus for locating resistive faults in communication and power cablesFiled 1996·Granted Nov 23, 1999·39 cites·8 claims
- 3371US6462923B1Coaxial cable protection deviceBROADBAND TELECOMMUNICATIONS L·Filed 2000·Granted Oct 8, 2002·20 cites·9 claims
- 3471US4947469AResistive fault location method and device for use on electrical cablesAUTOMATED LIGHT TECH INC·Filed 1989·Granted Aug 7, 1990·29 cites·15 claims
- 3570US6750401B2Trace wire for transmission of a tone for locating underground utilities and cablesFiled 2002·Granted Jun 15, 2004·10 cites·9 claims
- 3668US6459271B1Open cable locating for sheathed cablesNORSCAN INC·Filed 2000·Granted Oct 1, 2002·15 cites·17 claims
- 3768US5708364ACable monitoring system with multiple branch terminationsFiled 1995·Granted Jan 13, 1998·32 cites·22 claims
- 3867US9046669B2Hardware and methods for secure alarmed armored protective distribution systems and managementNETWORK INTEGRITY SYSTEMS INC·Filed 2013·Granted Jun 2, 2015·2 cites·21 claims
- 3967US7634387B2Frequency envelope detection method for signal analysisNETWORK INTEGRITY SYSTEMS·Filed 2006·Granted Dec 15, 2009·5 cites·7 claims
- 4060US10600294B2Alarm system for a single mode optical fiber networkNETWORK INTEGRITY SYSTEMS INC·Filed 2019·Granted Mar 24, 2020·0 cites·17 claims
- 4158US5262639AFiber optic cable monitoring method and apparatus including moisture detection and bending loss detectionNORSCAN INSTR LTD·Filed 1992·Granted Nov 16, 1993·17 cites·31 claims
- 4258US4647720ACable having composite shield and armour sheath designCANADA WIRE & CABLE CO LTD·Filed 1985·Granted Mar 3, 1987·13 cites·5 claims
- 4355US2015015398A1Alarm System for a Single Mode Optical Fiber NetworkNETWORK INTEGRITY SYSTEMS INC·Filed 2014·Application pending·0 cites
- 4454US10388128B2Alarm system for a single mode optical fiber networkNETWORK INTEGRITY SYSTEMS INC·Filed 2017·Granted Aug 20, 2019·0 cites·24 claims
- 4554US4518034AMethod and apparatus for manufacturing cables having composite shield and armor sheath designsCANADA WIRE & CABLE CO LTD·Filed 1983·Granted May 21, 1985·10 cites·15 claims
- 4651US12442192B1Method of providing a conductive substrate for an electrical leak detection method and a board thereforDETEC SYSTEMS LLC·Filed 2025·Granted Oct 14, 2025·0 cites·7 claims
- 4751US11686644B2Zoned roof monitoring systemDETEC SYSTEMS LLC·Filed 2021·Granted Jun 27, 2023·0 cites·20 claims
- 4849US2012074967A1Moisture detection sensors for building structuresVOKEY DAVID E·Filed 2011·Application pending·0 cites
- 4946US12111232B2Zoned roof monitoring systemDETEC SYSTEMS LLC·Filed 2021·Granted Oct 8, 2024·0 cites·17 claims
- 5046US2007029991A1Vibration transducer using changes in polarization of light passing through an optical fiberMURPHY CARY R·Filed 2006·Application pending·0 cites
Showing the top 50 of 66 patent records by PatentIndex Score.
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