Assignee
HIFI ENG INC
CA·42 granted patents·5 pending applications·162 citations·filing 2013–2024
Top patents by PatentIndex Score
47 records- 0197US10281341B2Methods and systems using optical fiber interferometryHIFI ENG INC·Filed 2016·Granted May 7, 2019·17 cites·12 claims
- 0296US10422365B2Clamp and a method of clampingHIFI ENG INC·Filed 2016·Granted Sep 24, 2019·18 cites·26 claims
- 0395US10260937B2Fiber optic sensor shaped for a particular frequency response and method of manufacturing sameHIFI ENG INC·Filed 2016·Granted Apr 16, 2019·17 cites·17 claims
- 0495US10215017B2Apparatus for detecting acoustic signals in a housingHIFI ENG INC·Filed 2014·Granted Feb 26, 2019·17 cites·14 claims
- 0594US10234345B2Method and system for detecting dynamic strainHIFI ENG INC·Filed 2014·Granted Mar 19, 2019·17 cites·20 claims
- 0693US11428600B2Method and system for detecting whether an acoustic event has occured along a fluid conduitHIFI ENG INC·Filed 2018·Granted Aug 30, 2022·32 cites·22 claims
- 0793US9606250B2Loudness based method and system for determining relative location of an acoustic event along a channelHIFI ENG INC·Filed 2013·Granted Mar 28, 2017·21 cites·28 claims
- 0891US10416005B2Optical interrogator for performing interferometry using fiber Bragg gratingsHIFI ENG INC·Filed 2015·Granted Sep 17, 2019·8 cites·20 claims
- 0987US11680829B2Method and system for detecting events in a conduitHIFI ENG INC·Filed 2022·Granted Jun 20, 2023·1 cites·18 claims
- 1083US11199393B2Optical interrogator for performing interferometry using fiber Bragg gratingsHIFI ENG INC·Filed 2018·Granted Dec 14, 2021·2 cites·28 claims
- 1182US11441740B2Method and system for simulating a leak in a pipeline, and an outlet for coupling a conduit to a pipelineHIFI ENG INC·Filed 2020·Granted Sep 13, 2022·1 cites·19 claims
- 1281US11085758B2Method and system for determining whether an event has occurred from dynamic strain measurementsHIFI ENG INC·Filed 2020·Granted Aug 10, 2021·1 cites·27 claims
- 1380US12196635B2Method and system for detecting dynamic strainHIFI ENG INC·Filed 2023·Granted Jan 14, 2025·0 cites·18 claims
- 1478US11953385B2Method and system for testing a fiber optic monitoring system in a conduitHIFI ENG INC·Filed 2019·Granted Apr 9, 2024·1 cites·22 claims
- 1578US10746208B2Method and system for non-intrusive pipeline testingHIFI ENG INC·Filed 2016·Granted Aug 18, 2020·3 cites·10 claims
- 1677US10859212B2Method and system for detecting whether an acoustic event has occurred along a fluid conduitHIFI ENG INC·Filed 2018·Granted Dec 8, 2020·2 cites·20 claims
- 1774US11976915B2Optical interrogator for performing interferometry using fiber Bragg gratingsHIFI ENG INC·Filed 2022·Granted May 7, 2024·0 cites·18 claims
- 1874US11662489B2Method of making an acoustic sensorHIFI ENG INC·Filed 2018·Granted May 30, 2023·1 cites·19 claims
- 1974US11630008B2Method and system for detecting dynamic strainHIFI ENG INC·Filed 2021·Granted Apr 18, 2023·0 cites·18 claims
- 2072US11448548B2Optical fiber assembly with improved sensitivityHIFI ENG INC·Filed 2019·Granted Sep 20, 2022·1 cites·15 claims
- 2172US10704740B2Method and system for simulating a leak in a pipeline, and an outlet for coupling a conduit to a pipelineHIFI ENG INC·Filed 2016·Granted Jul 7, 2020·1 cites·23 claims
- 2271US2024377235A1Method of estimating flowrate in a pipelineHIFI ENG INC·Filed 2024·Application pending·0 cites
- 2370US11609086B2Optical interrogator for performing interferometry using fiber Bragg gratingsHIFI ENG INC·Filed 2021·Granted Mar 21, 2023·0 cites·15 claims
- 2469US12590861B2Method and system for detecting events in a conduitHIFI ENG INC·Filed 2023·Granted Mar 31, 2026·0 cites·20 claims
- 2569US11243122B2Methods and systems using optical fiber interferometryHIFI ENG INC·Filed 2019·Granted Feb 8, 2022·0 cites·14 claims
- 2668US11002620B2Device and system for detecting dynamic strainHIFI ENG INC·Filed 2019·Granted May 11, 2021·0 cites·13 claims
- 2766US11754462B2Method and system for detecting events in a conduitHIFI ENG INC·Filed 2019·Granted Sep 12, 2023·0 cites·33 claims
- 2866US2026085989A1Methods and systems for accurate leak detection with minimal false alarmsHIFI ENG INC·Filed 2024·Application pending·0 cites
- 2963US11313744B2Method and system for detecting dynamic strainHIFI ENG INC·Filed 2019·Granted Apr 26, 2022·0 cites·11 claims
- 3062US12078518B2Method of estimating flowrate in a pipelineHIFI ENG INC·Filed 2017·Granted Sep 3, 2024·1 cites·16 claims
- 3162US11441926B2Method and system for detecting events in a conduitHIFI ENG INC·Filed 2019·Granted Sep 13, 2022·0 cites·18 claims
- 3261US12359764B2Methods and systems for tracking a pipeline inspection gaugeHIFI ENG INC·Filed 2022·Granted Jul 15, 2025·0 cites·20 claims
- 3361US12253204B2Methods and systems for tracking an object moving along a conduitHIFI ENG INC·Filed 2022·Granted Mar 18, 2025·0 cites·15 claims
- 3461US11428885B2Methods and systems for deploying optical fiberHIFI ENG INC·Filed 2020·Granted Aug 30, 2022·0 cites·26 claims
- 3560US11054288B2Optical interrogator for performing interferometry using Bragg gratingsHIFI ENG INC·Filed 2019·Granted Jul 6, 2021·0 cites·20 claims
- 3658US10473541B2Device and system for detecting dynamic strainHIFI ENG INC·Filed 2014·Granted Nov 12, 2019·0 cites·24 claims
- 3756US12130207B2Method of detecting a leak in a fluid conduitHIFI ENG INC·Filed 2020·Granted Oct 29, 2024·0 cites·18 claims
- 3855US2024184006A1Wind detection method and systemHIFI ENG INC·Filed 2022·Application pending·0 cites
- 3954US2023186001A1Method and system for simulating an eventHIFI ENG INC·Filed 2022·Application pending·0 cites
- 4053US11946732B2Methods of wrapping optical fiber around a fluid conduitHIFI ENG INC·Filed 2020·Granted Apr 2, 2024·0 cites·31 claims
- 4153US10584960B2Method and system for determining whether an event has occurred from dynamic strain measurementsHIFI ENG INC·Filed 2016·Granted Mar 10, 2020·0 cites·23 claims
- 4251US10838162B2Methods and systems for deploying optical fiberHIFI ENG INC·Filed 2018·Granted Nov 17, 2020·0 cites·19 claims
- 4348US11906394B2System and method for locating an area of interest in a conduitHIFI ENG INC·Filed 2019·Granted Feb 20, 2024·0 cites·17 claims
- 4447US12163815B2Methods and systems for providing access to interferometric system dataHIFI ENG INC·Filed 2018·Granted Dec 10, 2024·0 cites·19 claims
- 4547US2022065669A1Method and system for detecting events in a conduitHIFI ENG INC·Filed 2019·Application pending·0 cites
- 4645US10725174B2Method and system for determining the distance to an acoustically reflective object in a conduitHIFI ENG INC·Filed 2016·Granted Jul 28, 2020·0 cites·16 claims
- 4743US10428644B2Sound baffle device and system for detecting acoustic signalsHIFI ENG INC·Filed 2014·Granted Oct 1, 2019·0 cites·14 claims
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