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For the Inventor, By the Inventor

Warwickshire, United Kingdom

Gibbs Technologies Limited


USPTO Granted Patents = 75

% Expired Patents = 4.0



Trademarks = 2

Forward Citations = 307

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23 inventors (with patents filed for the assignee):

goldMedal Alan Timothy Gibbs (41 out of 42 patents)

silverMedal Simon James Longdill (18 out of 18 patents)

bronzeMedal Terence James Roycroft (13 out of 13 patents)

4.  Hans Weekers (12 out of 12 patents)

5.  Stephen John Briggs (12 out of 12 patents)

6.  Neil Graham Jenkins (7 out of 7 patents)

7.  Glen Michael Jeffery (4 out of 4 patents)

8.  Stephen J Bailey (3 out of 6 patents)

9.  Jonathan Austin King (2 out of 2 patents)

10.  Eric John Carlson (2 out of 2 patents)

11.  Christopher Paul Darby (2 out of 4 patents)

12.  Mathew Roger Pease (2 out of 2 patents)

13.  Stephen Wilkonski (2 out of 2 patents)

14.  Timothy O'Donnell (2 out of 2 patents)

15.  Simon James Longdill (2 out of 2 patents)


Core Competencies:
Amphibious Vehicle
Power Train
Retractable Wheels
Wheel Suspension
Steering System
Cooling System
Propulsion System
Hull Design
Speed Change Transmission
High Speed Actuation
Hydraulic Suspension
Bump Stop

75 patents:

1. 12415393 - Amphibian (2025-09-16),
2. 12291318 - Powertrain for an amphibian (2025-05-06),
3. 11919346 - Power train for an amphibian (2024-03-05),
4. 11766908 - Retractable wheel assembly for an amphibian (2023-09-26),
5. 11485182 - Amphibians (2022-11-01),
6. 11472245 - Amphibious vehicle power trains (2022-10-18),
7. 11400780 - High speed actuation system, apparatus and method for protracting and retracting a retractable wheel assembly of an amphibian (2022-08-02),
8. 11364756 - Amphibian (2022-06-21),
9. 11214347 - Powertrain for an amphibian (2022-01-04),
10. 11065928 - Amphibian (2021-07-20),
11. 11065927 - Power train for an amphibian (2021-07-20),
12. 11046133 - Powertrain for an amphibian (2021-06-29),
13. 10967691 - Retractable wheel assembly for an amphibian (2021-04-06),
14. 10953966 - Wheel suspension and retraction apparatus (2021-03-23),
15. 10926595 - Amphibian (2021-02-23),
Gibbs Technologies Limited, based in Warwickshire, specializes in the development of amphibious vehicles, merging land and water capabilities. The company focuses on innovative technologies such as retractable wheels, advanced power trains, and sophisticated hull designs, enabling vehicles to transition seamlessly between terrains. Their expertise extends to critical systems including steering, suspension, and propulsion, positioning them as leaders in amphibious vehicle engineering and design, catering to diverse applications in both recreational and commercial sectors.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

75 Patents

#3 in Warwickshire

#249 in United Kingdom

#9,996 in the World

Warwickshire, GB
Warwickshire, United Kingdom

Gibbs Technologies Limited

Forward Citations = 307

23 inventors:

goldMedal Alan Timothy Gibbs (41 out of 42 patents)

silverMedal Simon James Longdill (18 out of 18 patents)

bronzeMedal Terence James Roycroft (13 out of 13 patents)

4.  Hans Weekers (12 out of 12 patents)

5.  Stephen John Briggs (12 out of 12 patents)

Please report any incorrect information to [email protected]
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