Patent assignee · CA · COMPANY

HIFI ENGINEERING INC.

44Patents
44Active
44Granted
56Portfolio score

Filing activity: Feb 12, 2008 → Mar 23, 2023 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US11428600B2 Method and system for detecting whether an acoustic event has occured along a fluid conduit Physics 29 Active
US9606250B2 Loudness based method and system for determining relative location of an acoustic event along a channel Physics 18 Active
US9605537B2 Method and system for determining relative depth of an acoustic event within a wellbore Fixed Constructions 17 Active
US10422365B2 Clamp and a method of clamping Mechanical Engineering; Lighting; Heating 15 Active
US10260937B2 Fiber optic sensor shaped for a particular frequency response and method of manufacturing same Physics 15 Active
US10234345B2 Method and system for detecting dynamic strain Physics 15 Active
US10215017B2 Apparatus for detecting acoustic signals in a housing Physics 15 Active
US10281341B2 Methods and systems using optical fiber interferometry Physics 15 Active
US8326540B2 Method and apparatus for fluid migration profiling Fixed Constructions 8 Active
US10416005B2 Optical interrogator for performing interferometry using fiber Bragg gratings Physics 6 Active
US9057254B2 Method for detecting and locating fluid ingress in a wellbore Fixed Constructions 4 Active
US11085758B2 Method and system for determining whether an event has occurred from dynamic strain measurements Physics 1 Active
US10704740B2 Method and system for simulating a leak in a pipeline, and an outlet for coupling a conduit to a pipeline Physics 1 Active
US10746208B2 Method and system for non-intrusive pipeline testing Physics 1 Active
US11199393B2 Optical interrogator for performing interferometry using fiber Bragg gratings Physics 1 Active
US11054288B2 Optical interrogator for performing interferometry using Bragg gratings Physics 0 Active
US11906394B2 System and method for locating an area of interest in a conduit Physics 0 Active
US12163815B2 Methods and systems for providing access to interferometric system data Physics 0 Active
US10428644B2 Sound baffle device and system for detecting acoustic signals Physics 0 Active
US10725174B2 Method and system for determining the distance to an acoustically reflective object in a conduit Physics 0 Active
US11002620B2 Device and system for detecting dynamic strain Physics 0 Active
US12130207B2 Method of detecting a leak in a fluid conduit Physics 0 Active
US11946732B2 Methods of wrapping optical fiber around a fluid conduit Mechanical Engineering; Lighting; Heating 0 Active
US11428885B2 Methods and systems for deploying optical fiber Physics 0 Active
US11441740B2 Method and system for simulating a leak in a pipeline, and an outlet for coupling a conduit to a pipeline Physics 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.