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Pickering, Canada

Lenbrook Industries Limited

USPTO Granted Patents = 18

EPO Patents = 1

Trademarks = 8

Forward Citations = 89

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15 inventors (with patents filed for the assignee):

Gregory R Stidsen (10 out of 13 patents)

Jens Torben Sonderskov (7 out of 9 patents)

Paul Barton (4 out of 4 patents)

4. Matthew Simmonds (4 out of 4 patents)

5. Taresh Vadgama (3 out of 6 patents)

6. Kevin Groeneveld (3 out of 5 patents)

7. Peter Graham Craven (2 out of 32 patents)

8. Ross Graham Gordon Eberlin (2 out of 3 patents)

9. John Robert Stuart (2 out of 12 patents)

10. Gordon Van Kessel (2 out of 2 patents)

11. Andrew Haines (1 out of 1 patent)

12. Steve Orzel (1 out of 9 patents)

13. David Smith (1 out of 1 patent)

14. David Peter Farrage (1 out of 28 patents)

15. Ross G Eberlin (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 12732752 - Systems and methods for synchronizing and rendering audio signals via an auxiliary synchronization back channel (2026-09-08),

2. D1126191 - Audio speaker (2026-05-12),

3. D1114761 - Audio amplifier (2026-02-24),

4. 12535987 - Hybrid input networked audio subwoofer (2026-01-27),

5. 12301177 - Power-over-ethernet (PoE) powered multichannel streaming audio amplifier (2025-05-13),

6. 12279007 - Audio video receiver (AVR) architecture (2025-04-14),

7. 12245007 - Power over ethernet (PoE) powered smart speaker (2025-03-04),

8. 12219182 - Audio video receiver with simultaneous multizone 8K video routing (2025-02-04),

9. 12207043 - Speaker with oblique mounted bass driver (2025-01-21),

10. 12183356 - Digital encapsulation of audio signals (2024-12-31),

11. 11996816 - Non linear filter with group delay at pre-response frequency for high res radio (2024-05-28),

12. 11930225 - Audio video receiver with simultaneous multizone 8K video routing (2024-03-12),

13. 11755274 - Hybrid input networked audio subwoofer (2023-09-12),

14. 11627407 - Speaker with oblique mounted bass driver (2023-04-11),

15. 11410699 - USB-C PD powered phono preamplifer (2022-08-09),

Lenbrook Industries Limited is a Canadian company based in Pickering, specializing in the design and manufacturing of high-fidelity audio products. The organization is known for its commitment to innovation in the audio technology sector, focusing on delivering premium sound experiences through advanced engineering and craftsmanship. Lenbrook also engages in research and development to enhance audio performance and connectivity, catering to both consumer and professional markets, while maintaining a strong presence in the global audio industry.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

18 Patents

#1 in Pickering

#821 in Canada

#34,187 in the World

Pickering, Canada

Lenbrook Industries Limited

Forward Citations = 89

15 inventors:

Gregory R Stidsen (10 out of 13 patents)

Jens Torben Sonderskov (7 out of 9 patents)

Paul Barton (4 out of 4 patents)

4. Matthew Simmonds (4 out of 4 patents)

5. Taresh Vadgama (3 out of 6 patents)

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