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For the Inventor, By the Inventor

West Sussex, United Kingdom

Ricardo Consulting Engineers Limited


USPTO Granted Patents = 20

% Expired Patents = 10.0


Forward Citations = 177

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23 inventors (with patents filed for the assignee):

goldMedal Ian David Johnstone (2 out of 2 patents)

silverMedal Stephen Brian Glover (2 out of 2 patents)

bronzeMedal John Westwood Moore (2 out of 2 patents)

4.  Robert H Thring (2 out of 2 patents)

5.  John Stokes (1 out of 3 patents)

6.  David Ian Thompson (1 out of 1 patent)

7.  Stephen Michael Sapsford (1 out of 1 patent)

8.  John C Carden (1 out of 5 patents)

9.  Robert D Norris (1 out of 1 patent)

10.  Christopher H Best (1 out of 8 patents)

11.  Ronald A Bickerton (1 out of 1 patent)

12.  Timothy H Lake (1 out of 1 patent)

13.  Alan Warburton (1 out of 1 patent)

14.  Graham Atkin (1 out of 1 patent)

15.  Peter Howard (1 out of 1 patent)


20 patents:

1. 7086377 - Dual mode fuel injector (2006-08-08),
2. 6886504 - Engine of reciprocating piston type (2005-05-03),
3. 6742259 - Assembling bearing housings for rotary shafts (2004-06-01),
4. 6216662 - Direct injection gasoline engines (2001-04-17),
5. 6101991 - Crankcase scavenged two-stroke engines (2000-08-15),
6. 6035813 - Engines of reciprocating piston type (2000-03-14),
7. 5934158 - Differential drive mechanisms (1999-08-10),
8. 5749340 - Hydraulic tappets (1998-05-12),
9. 5503119 - Crankcase scavenged two-stroke engines (1996-04-02),
10. 5435210 - Differential drive mechanisms (1995-07-25),
11. 5390856 - Fuel injectors for diesel engines (1995-02-21),
12. 5379743 - Spark ignited internal combustion engines (1995-01-10),
13. 5178105 - Valve gear for internal combustion engines (1993-01-12),
14. 4709676 - Fuel supply system for turbocharged internal combustion engine (1987-12-01),
15. 4686949 - Spark ignited internal combustion engines (1987-08-18),
Company Overview
Ricardo Consulting Engineers Limited is a prominent engineering consultancy based in West Sussex, UK, specializing in the automotive and transportation sectors. The company offers a wide range of services, including product development, engineering solutions, and strategic consulting, focusing on enhancing performance and sustainability. With expertise in areas such as vehicle engineering, energy efficiency, and advanced technologies, Ricardo plays a vital role in driving innovation and supporting clients in navigating complex engineering challenges.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

20 Patents

#3 in West Sussex

#890 in United Kingdom

#31,264 in the World

West Sussex, GB
West Sussex, United Kingdom

Ricardo Consulting Engineers Limited

Forward Citations = 177

23 inventors:

goldMedal Ian David Johnstone (2 out of 2 patents)

silverMedal Stephen Brian Glover (2 out of 2 patents)

bronzeMedal John Westwood Moore (2 out of 2 patents)

4.  Robert H Thring (2 out of 2 patents)

5.  John Stokes (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ricardo Consulting Engineers Limited. Retrieved from https://idiyas.com/company/ricardo-consulting-engineers

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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