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Calgary, Canada

Hifi Engineering Inc.

USPTO Granted Patents = 46

CIPO Patents = 4

EPO Patents = 1

Trademarks = 2

Forward Citations = 182

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28 inventors (with patents filed for the assignee):

Seyed Ehsan Jalilian (42 out of 44 patents)

John Hull (23 out of 25 patents)

Arne Dankers (12 out of 12 patents)

4. Brian H Moore (5 out of 25 patents)

5. Phillip William Wallace (5 out of 23 patents)

6. Walter Jeffrey Shakespeare (5 out of 42 patents)

7. Viet Hoang (5 out of 9 patents)

8. Adekunle Adeyemi (5 out of 5 patents)

9. Dongliang Huang (4 out of 4 patents)

10. Oleksiy Pletnyov (4 out of 4 patents)

11. Philip Cheuk (4 out of 4 patents)

12. Ajay Sandhu (3 out of 6 patents)

13. Chris Henrikson (3 out of 3 patents)

14. Adrian Dumitru (3 out of 3 patents)

15. Thomas Clement (3 out of 3 patents)

Core Competencies:

Optical Interrogator

Dynamic Strain

Pipeline Inspection

Fluid Conduit

Acoustic Sensors

Fiber Bragg Gratings

Leak Detection

Event Detection

Optical Fiber

Interferometry

Flowrate Estimation

Non-Intrusive Testing

46 patents: Sort by Forward Citations

1. 12625291 - Wind detection method and system (2026-05-12),

2. 12590861 - Method and system for detecting events in a conduit (2026-03-31),

3. 12359764 - Methods and systems for tracking a pipeline inspection gauge (2025-07-15),

4. 12253204 - Methods and systems for tracking an object moving along a conduit (2025-03-18),

5. 12196635 - Method and system for detecting dynamic strain (2025-01-14),

6. 12163815 - Methods and systems for providing access to interferometric system data (2024-12-10),

7. 12130207 - Method of detecting a leak in a fluid conduit (2024-10-29),

8. 12078518 - Method of estimating flowrate in a pipeline (2024-09-03),

9. 11976915 - Optical interrogator for performing interferometry using fiber Bragg gratings (2024-05-07),

10. 11953385 - Method and system for testing a fiber optic monitoring system in a conduit (2024-04-09),

11. 11946732 - Methods of wrapping optical fiber around a fluid conduit (2024-04-02),

12. 11906394 - System and method for locating an area of interest in a conduit (2024-02-20),

13. 11754462 - Method and system for detecting events in a conduit (2023-09-12),

14. 11680829 - Method and system for detecting events in a conduit (2023-06-20),

15. 11662489 - Method of making an acoustic sensor (2023-05-30),

Hifi Engineering Inc., based in Calgary, Canada, specializes in advanced technologies for pipeline inspection and fluid conduit monitoring. The company focuses on dynamic strain detection and non-intrusive testing methods, utilizing optical fiber interferometry and fiber Bragg gratings to enhance the accuracy and reliability of its solutions. Their expertise extends to acoustic event detection and flowrate estimation, making them a key player in ensuring the integrity and performance of critical infrastructure.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Hifi Engineering Inc.

46 Patents

#17 in Calgary

#303 in Canada

#15,085 in the World

Calgary, Canada

Hifi Engineering Inc.

Forward Citations = 182

28 inventors:

Seyed Ehsan Jalilian (42 out of 44 patents)

John Hull (23 out of 25 patents)

Arne Dankers (12 out of 12 patents)

4. Brian H Moore (5 out of 25 patents)

5. Phillip William Wallace (5 out of 23 patents)

Please report any incorrect information to [email protected]

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