Inventor · disambiguated record
John G. Evans
Also filed as: EVANS JOHN · EVANS JOHN D · EVANS JOHN G · EVANS JOHN GERARD
41 granted patents·19 pending applications·831 citations·filing 1987–2025
98Inventor score
Files withBARD INC C R16BAKER HUGHES INC8HALLIBURTON ENERGY SERVICES INC5ETHICON LLC4BARD PERIPHERAL VASCULAR INC3
Top patents by PatentIndex Score
60 records- 0197US10016585B2Assemblies for identifying a power injectable access portBARD INC C R·Filed 2015·Granted Jul 10, 2018·19 cites·17 claims
- 0297US8932271B2Implantable medical devices including septum-based indicatorsHAMATAKE BRET·Filed 2009·Granted Jan 13, 2015·63 cites·6 claims
- 0397US8025639B2Methods of power injecting a fluid through an access portBARD INC C R·Filed 2009·Granted Sep 27, 2011·79 cites·12 claims
- 0495US10086186B2Radiopaque and septum-based indicators for a multi-lumen implantable portBARD INC C R·Filed 2017·Granted Oct 2, 2018·25 cites·14 claims
- 0595US9937337B2Assemblies for identifying a power injectable access portBARD INC C R·Filed 2014·Granted Apr 10, 2018·30 cites·24 claims
- 0694US8881833B2Remotely controlled apparatus for downhole applications and methods of operationRADFORD STEVEN R·Filed 2010·Granted Nov 11, 2014·20 cites·30 claims
- 0793US10052471B2Implantable medical devices including septum-based indicatorsBARD INC C R·Filed 2014·Granted Aug 21, 2018·33 cites·12 claims
- 0893US8376065B2Monitoring drilling performance in a sub-based unitBAKER HUGHES INC·Filed 2009·Granted Feb 19, 2013·51 cites·19 claims
- 0993US8202259B2Systems and methods for identifying an access portEVANS JOHN G·Filed 2009·Granted Jun 19, 2012·105 cites·2 claims
- 1090US11890443B2Implantable medical devices including septum-based indicatorsBARD INC C R·Filed 2020·Granted Feb 6, 2024·2 cites·10 claims
- 1190US8998860B2Systems and methods for identifying an access portSHEETZ KEVIN W·Filed 2012·Granted Apr 7, 2015·47 cites·19 claims
- 1290US7578803B2Multifunction adaptor for an open-ended catheterBARD INC C R·Filed 2005·Granted Aug 25, 2009·69 cites·15 claims
- 1389US10773066B2Implantable medical devices including septum-based indicatorsBARD INC C R·Filed 2018·Granted Sep 15, 2020·6 cites·11 claims
- 1489US9027650B2Remotely-controlled downhole device and method for using sameRADFORD STEVEN R·Filed 2011·Granted May 12, 2015·13 cites·20 claims
- 1588US10828117B2Constant force spring assemblies for robotic surgical toolsETHICON LLC·Filed 2017·Granted Nov 10, 2020·9 cites·20 claims
- 1687US10786320B2Cable driven motion systems for robotic surgical toolsETHICON LLC·Filed 2017·Granted Sep 29, 2020·7 cites·19 claims
- 1787US9579496B2Radiopaque and septum-based indicators for a multi-lumen implantable portEVANS JOHN G·Filed 2008·Granted Feb 28, 2017·41 cites·43 claims
- 1887US8808227B2Multi-lumen catheter with separate distal tipsZAWACKI JOHN A·Filed 2007·Granted Aug 19, 2014·34 cites·6 claims
- 1987US7393339B2Multi-lumen catheter with separate distal tipsBARD INC C R·Filed 2003·Granted Jul 1, 2008·98 cites·48 claims
- 2084US10472908B2Remotely controlled apparatus for downhole applications and methods of operationBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2017·Granted Nov 12, 2019·3 cites·17 claims
- 2181US9719304B2Remotely controlled apparatus for downhole applications and methods of operationBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2014·Granted Aug 1, 2017·5 cites·17 claims
- 2280US9387304B2Multi-lumen catheter with separate distal tipsBARD INC C R·Filed 2014·Granted Jul 12, 2016·7 cites·6 claims
- 2375US8342250B2Methods and apparatus for manipulating and driving casingBAKER HUGHES INC·Filed 2010·Granted Jan 1, 2013·6 cites·16 claims
- 2473US10400571B2Drilling system drag member for simultaneous drilling and reamingHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 3, 2019·2 cites·17 claims
- 2572US9033038B2Speed control devices and methods for drop down toolsHETZ AVIGDOR·Filed 2012·Granted May 19, 2015·5 cites·18 claims
- 2671US11638810B2Radiopaque and septum-based indicators for a multi-lumen implantable portBARD INC C R·Filed 2020·Granted May 2, 2023·0 cites·20 claims
- 2770US9605483B2Directional drilling while conveying a lining member, with latching parking capabilities for multiple tripsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Mar 28, 2017·2 cites·19 claims
- 2867US10487602B2Hydraulic control of downhole toolsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Nov 26, 2019·2 cites·19 claims
- 2964US11160627B2Cable driven motion systems for robotic surgical toolsETHICON LLC·Filed 2020·Granted Nov 2, 2021·0 cites·20 claims
- 3061US10792485B2Radiopaque and septum-based indicators for a multi-lumen implantable portBARD INC C R·Filed 2018·Granted Oct 6, 2020·0 cites·9 claims
- 3161USD816228SVascular access port stemBARD INC C R·Filed 2016·Granted Apr 24, 2018·5 cites·1 claims
- 3261US8371387B2Methods and apparatus for manipulating and driving casingBAKER HUGHES INC·Filed 2012·Granted Feb 12, 2013·2 cites·10 claims
- 3361USD550839SSplit-tip catheterBARD INC C R·Filed 2005·Granted Sep 11, 2007·12 cites·1 claims
- 3455US12285583B2Inflatable ports, catheter assemblies including inflatable ports, and methods thereofBARD INC C R·Filed 2019·Granted Apr 29, 2025·0 cites·15 claims
- 3555US12027767B1Antenna movable between deployed and partially stowed positions and associated methodsEAGLE TECH LLC·Filed 2022·Granted Jul 2, 2024·0 cites·24 claims
- 3653US2025152930A1Coated Subcutaneous Access Device and Associated MethodsBARD PERIPHERAL VASCULAR INC·Filed 2021·Application pending·0 cites
- 3752US2023347106A1Port-Catheter Assembly Gripping, Cutting and Connection ToolBARD PERIPHERAL VASCULAR INC·Filed 2020·Application pending·0 cites
- 3849US2025111046A1System and method for automated scam detectionSCAMNETIC INC·Filed 2024·Application pending·0 cites
- 3948US2025278737A1System and method for automated scam detectionSCAMNETIC INC·Filed 2025·Application pending·0 cites
- 4048US2016251905A1Seal assembly for wellbore toolHALLIBURTON ENERGY SERVICES INC·Filed 2014·Application pending·0 cites
- 4148US2025160878A1Catheters, devices, and methods for removing materials from hollow bodiesBARD PERIPHERAL VASCULAR INC·Filed 2022·Application pending·0 cites
- 4247US8669516B2Using LWT service to identify loss circulation areas in a wellboreHILL FREEMAN L·Filed 2011·Granted Mar 11, 2014·0 cites·17 claims
- 4347US4823896ACylinder attachment for elevating transporterPALING SPRING LIMITED·Filed 1987·Granted Apr 25, 1989·20 cites·24 claims
- 4445US2005120852A1Support and guideFiled 2005·Application pending·0 cites
- 4544US2020182020A1Actuation Bladder Controlled Downhole DevicesGYRODATA INC·Filed 2018·Application pending·0 cites
- 4644US2021268237A1Introducer Tool And Methods ThereofBARD INC C R·Filed 2019·Application pending·0 cites
- 4743US10352118B2Latchable casing while drilling systems and methodsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Jul 16, 2019·0 cites·20 claims
- 4843US2014158369A1Devices and methods for conveying a tool along a wellboreBAKER HUGHES INC·Filed 2012·Application pending·0 cites
- 4943US2014158350A1All purpose pumpdown instrumentBAKER HUGHES INC·Filed 2013·Application pending·0 cites
- 5042US2014014329A1Landing indicator for logging toolsRADFORD STEVEN R·Filed 2012·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →