Inventor · disambiguated record
Jason E. Duff
Also filed as: DUFF JASON · DUFF JASON E
73 granted patents·11 pending applications·579 citations·filing 2012–2024
99Inventor score
Files withMIDDLE CHART LLC76STELLAR VDC RESIDENTIAL LLC3STELLAR VDC COMMERCIAL LLC2PROCTER & GAMBLE1SANEXEN ENV SERVICES INC1
Top patents by PatentIndex Score
84 records- 0199US11468209B2Method and apparatus for display of digital content associated with a location in a wireless communications areaMIDDLE CHART LLC·Filed 2021·Granted Oct 11, 2022·23 cites·20 claims
- 0299US11429761B2Method and apparatus for interacting with a node in a storage areaMIDDLE CHART LLC·Filed 2021·Granted Aug 30, 2022·24 cites·20 claims
- 0399US11100260B2Method and apparatus for interacting with a tag in a wireless communication areaMIDDLE CHART LLC·Filed 2020·Granted Aug 24, 2021·27 cites·21 claims
- 0499US11087039B2Headset apparatus for display of location and direction based contentMIDDLE CHART LLC·Filed 2020·Granted Aug 10, 2021·52 cites·17 claims
- 0599US11080439B2Method and apparatus for interacting with a tag in a cold storage areaMIDDLE CHART LLC·Filed 2020·Granted Aug 3, 2021·27 cites·20 claims
- 0699US10872179B2Method and apparatus for automated site augmentationMIDDLE CHART LLC·Filed 2020·Granted Dec 22, 2020·41 cites·23 claims
- 0798US11640486B2Architectural drawing based exchange of geospatial related digital contentMIDDLE CHART LLC·Filed 2022·Granted May 2, 2023·21 cites·20 claims
- 0898US11436388B2Methods and apparatus for procedure trackingMIDDLE CHART LLC·Filed 2021·Granted Sep 6, 2022·23 cites·20 claims
- 0998US11194938B2Methods and apparatus for persistent location based digital contentMIDDLE CHART LLC·Filed 2021·Granted Dec 7, 2021·44 cites·20 claims
- 1098US10831943B2Orienteering system for responding to an emergency in a structureMIDDLE CHART LLC·Filed 2019·Granted Nov 10, 2020·32 cites·19 claims
- 1198US10824774B2Methods and apparatus for healthcare facility optimizationMIDDLE CHART LLC·Filed 2020·Granted Nov 3, 2020·47 cites·20 claims
- 1298US10025887B1Building model with virtual capture of as built features and objective performance trackingSTELLAR VDC RESIDENTIAL LLC·Filed 2017·Granted Jul 17, 2018·97 cites·20 claims
- 1397US11900023B2Agent supportable device for pointing towards an item of interestMIDDLE CHART LLC·Filed 2023·Granted Feb 13, 2024·5 cites·15 claims
- 1497US11507714B2Methods and apparatus for secure persistent location based digital contentMIDDLE CHART LLC·Filed 2021·Granted Nov 22, 2022·8 cites·20 claims
- 1597US10984146B2Tracking safety conditions of an areaMIDDLE CHART LLC·Filed 2020·Granted Apr 20, 2021·5 cites·28 claims
- 1696US12045545B2Methods and apparatus for secure persistent location based digital content associated with a two-dimensional referenceMIDDLE CHART LLC·Filed 2023·Granted Jul 23, 2024·2 cites·20 claims
- 1796US11625510B2Method and apparatus for presentation of digital contentMIDDLE CHART LLC·Filed 2022·Granted Apr 11, 2023·3 cites·20 claims
- 1896US11188686B2Method and apparatus for holographic display based upon position and directionMIDDLE CHART LLC·Filed 2020·Granted Nov 30, 2021·3 cites·14 claims
- 1995US12014450B2Methods and apparatus for secure persistent location based digital content associated with a two-dimensional referenceMIDDLE CHART LLC·Filed 2022·Granted Jun 18, 2024·2 cites·18 claims
- 2095US11809787B2Architectural drawing aspect based exchange of geospatial related digital contentMIDDLE CHART LLC·Filed 2023·Granted Nov 7, 2023·2 cites·20 claims
- 2195US10902160B2Cold storage environmental control and product trackingMIDDLE CHART LLC·Filed 2020·Granted Jan 26, 2021·3 cites·20 claims
- 2294US11436389B2Artificial intelligence based exchange of geospatial related digital contentMIDDLE CHART LLC·Filed 2022·Granted Sep 6, 2022·3 cites·24 claims
- 2394US10733334B2Building vital conditions monitoringMIDDLE CHART LLC·Filed 2018·Granted Aug 4, 2020·12 cites·20 claims
- 2494US10671767B2Smart construction with automated detection of adverse structure conditions and remediationMIDDLE CHART LLC·Filed 2019·Granted Jun 2, 2020·11 cites·17 claims
- 2593US11120172B2Apparatus for determining an item of equipment in a direction of interestMIDDLE CHART LLC·Filed 2020·Granted Sep 14, 2021·2 cites·20 claims
- 2693US10949579B2Method and apparatus for enhanced position and orientation determinationMIDDLE CHART LLC·Filed 2020·Granted Mar 16, 2021·4 cites·20 claims
- 2793US10620084B2System for hierarchical actions based upon monitored building conditionsSTELLAR VDC RESIDENTIAL LLC·Filed 2018·Granted Apr 14, 2020·6 cites·14 claims
- 2892US10983026B2Methods of updating data in a virtual model of a structureMIDDLE CHART LLC·Filed 2020·Granted Apr 20, 2021·2 cites·20 claims
- 2992US10628617B1Method and apparatus for wireless determination of position and orientation of a smart deviceMIDDLE CHART LLC·Filed 2019·Granted Apr 21, 2020·4 cites·20 claims
- 3091US12314638B2Methods and apparatus for secure persistent location based digital content associated with a three-dimensional referenceMIDDLE CHART LLC·Filed 2024·Granted May 27, 2025·1 cites·20 claims
- 3191US10885234B2Apparatus for determining a direction of interestMIDDLE CHART LLC·Filed 2020·Granted Jan 5, 2021·2 cites·20 claims
- 3290US11106837B2Method and apparatus for enhanced position and orientation based information displayMIDDLE CHART LLC·Filed 2021·Granted Aug 31, 2021·2 cites·20 claims
- 3390US10762251B2System for conducting a service call with orienteeringMIDDLE CHART LLC·Filed 2019·Granted Sep 1, 2020·5 cites·20 claims
- 3490US10740503B1Spatial self-verifying array of nodesMIDDLE CHART LLC·Filed 2020·Granted Aug 11, 2020·2 cites·20 claims
- 3588US2025148146A1Device for displaying virtual environments and content in a wireless communication areaMIDDLE CHART LLC·Filed 2024·Application pending·0 cites
- 3686US11481527B2Apparatus for displaying information about an item of equipment in a direction of interestMIDDLE CHART LLC·Filed 2021·Granted Oct 25, 2022·1 cites·20 claims
- 3786US10467353B2Building model with capture of as built features and experiential dataSTELLAR VDC COMMERCIAL LLC·Filed 2018·Granted Nov 5, 2019·5 cites·20 claims
- 3885US12248737B2Agent supportable device indicating an item of interest in a wireless communication areaMIDDLE CHART LLC·Filed 2024·Granted Mar 11, 2025·0 cites·20 claims
- 3985US11042672B2Methods and apparatus for healthcare procedure trackingMIDDLE CHART LLC·Filed 2020·Granted Jun 22, 2021·1 cites·20 claims
- 4085US10726167B2Method and apparatus for determining a direction of interestMIDDLE CHART LLC·Filed 2019·Granted Jul 28, 2020·3 cites·20 claims
- 4185US2025061242A1Apparatus with digital content linked to a physical locationMIDDLE CHART LLC·Filed 2024·Application pending·0 cites
- 4284US11475177B2Method and apparatus for improved position and orientation based information displayMIDDLE CHART LLC·Filed 2021·Granted Oct 18, 2022·1 cites·20 claims
- 4383US12086509B2Apparatus for exchange of geospatial related digital contentMIDDLE CHART LLC·Filed 2023·Granted Sep 10, 2024·0 cites·20 claims
- 4483US10433112B2Methods and apparatus for orienteeringMIDDLE CHART LLC·Filed 2018·Granted Oct 1, 2019·3 cites·19 claims
- 4581US12032875B2Methods of presenting as built data relative to an agent position in an augmented virtual modelMIDDLE CHART LLC·Filed 2023·Granted Jul 9, 2024·0 cites·19 claims
- 4681US10740502B2Method and apparatus for position based query with augmented reality headgearMIDDLE CHART LLC·Filed 2019·Granted Aug 11, 2020·2 cites·20 claims
- 4780US11893317B2Method and apparatus for associating digital content with wireless transmission nodes in a wireless communication areaMIDDLE CHART LLC·Filed 2023·Granted Feb 6, 2024·0 cites·20 claims
- 4880US11861269B2Methods of determining location with self-verifying array of nodesMIDDLE CHART LLC·Filed 2023·Granted Jan 2, 2024·0 cites·19 claims
- 4980US11593536B2Methods and apparatus for communicating geolocated dataMIDDLE CHART LLC·Filed 2022·Granted Feb 28, 2023·0 cites·22 claims
- 5080US8864418B2Method and apparatus for rehabilitating an underground water conduit and detecting and drilling a service entrance in the conduitSANEXEN ENVIRONMENT SERVICES INC·Filed 2012·Granted Oct 21, 2014·9 cites·12 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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