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For the Inventor, By the Inventor

Shoreham-by-Sea, United Kingdom

Cox Powertrain Limited


USPTO Granted Patents = 16

% Expired Patents = 25.0



Trademarks = 4

Forward Citations = 17

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12 inventors (with patents filed for the assignee):

goldMedal James Barratt (3 out of 3 patents)

silverMedal Christian Bucksey (3 out of 3 patents)

bronzeMedal James Eatwell (2 out of 2 patents)

4.  Martin Selway (1 out of 5 patents)

5.  David Cox (1 out of 22 patents)

6.  Adam Laycock (1 out of 1 patent)

7.  Michele Milani (1 out of 1 patent)

8.  Arun Dhanapala (1 out of 1 patent)

9.  Nile Fulker (1 out of 1 patent)

10.  Euan Freeman (1 out of 1 patent)

11.  Richard Cornwell (1 out of 1 patent)

12.  Matthew George Child (1 out of 1 patent)


16 patents:

1. 11932368 - Exhaust system (2024-03-19),
2. 11408335 - Marine engine assembly (2022-08-09),
3. 11333058 - Marine outboard motor with drive shaft and cooling system (2022-05-17),
4. 11313255 - Marine outboard motor with valve train having adjustable lash (2022-04-26),
5. 11208943 - Marine outboard motor with piston cooling gallery (2021-12-28),
6. 11198493 - Marine outboard motor with crankcase ventilation (2021-12-14),
7. 11161581 - Marine outboard motor with a transmission lubrication system and lubricant filter (2021-11-02),
8. 11105293 - Port belt arrangement (2021-08-31),
9. 11059557 - Marine outboard motor with shift mechanism (2021-07-13),
10. 11035291 - Marine outboard motor with improved flow sensing (2021-06-15),
11. 10940929 - Exhaust system (2021-03-09),
12. 10458323 - Internal combustion engines (2019-10-29),
13. 10392092 - Vertical axis drive system (2019-08-27),
14. 9874141 - Internal combustion engines (2018-01-23),
15. 9512777 - Internal combustion engines (2016-12-06),
Company Overview
Cox Powertrain Limited, based in Shoreham-by-Sea, specializes in the development and manufacturing of advanced diesel engines, particularly for marine applications. The company focuses on creating innovative power solutions that enhance performance and efficiency while reducing environmental impact. With a commitment to engineering excellence, Cox Powertrain is dedicated to pushing the boundaries of engine technology, catering to both commercial and recreational sectors within the global maritime industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#1 in Shoreham-by-Sea

#1,114 in United Kingdom

#37,788 in the World

Shoreham-by-Sea, GB
Shoreham-by-Sea, United Kingdom

Cox Powertrain Limited

Forward Citations = 17

12 inventors:

goldMedal James Barratt (3 out of 3 patents)

silverMedal Christian Bucksey (3 out of 3 patents)

bronzeMedal James Eatwell (2 out of 2 patents)

4.  Martin Selway (1 out of 5 patents)

5.  David Cox (1 out of 22 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cox Powertrain Limited. Retrieved from https://idiyas.com/company/cox-powertrain

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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