Forward Citations = 102

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7 inventors (with patents filed for the assignee):

Maxwell Richard Hadley (4 out of 12 patents)

Roy Forfitt (4 out of 5 patents)

Honor Powrie (2 out of 2 patents)

4. Celia Elizabeth Fisher (2 out of 2 patents)

5. Richard P Dudley (1 out of 1 patent)

6. Ian C Cheeseman (1 out of 1 patent)

7. Richard Talbot (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 6347548 - Apparatus for and method of monitoring a rotating machine (2002-02-19),

2. 6032100 - Method and apparatus for monitoring a lubricant (2000-02-29),

3. 5929431 - Optical tracker system for determining the position of a rotating body (1999-07-27),

4. 5786730 - Variable gain amplifier providing substantially uniform magnitude output (1998-07-28),

5. 5760298 - System and method for monitoring debris in a fluid (1998-06-02),

6. 5705930 - Gas path electrostatic sensor (1998-01-06),

7. 5249470 - Rotor blade tracking devices (1993-10-05),

8. 4924420 - Tacho signal processing (1990-05-08),

9. 4888948 - Monitoring of foreign object ingestion in engines (1989-12-26),

10. 4812643 - Detector device for a blade tracking system having two sensors (1989-03-14),

Company Overview

Stewart Hughes Limited is a UK-based company specializing in the design and manufacture of high-quality bespoke products, particularly in the luxury goods sector. The organization is known for its innovative approach to craftsmanship, combining traditional techniques with modern technology to create unique items. With a focus on precision and detail, Stewart Hughes Limited serves a diverse clientele, offering tailored solutions that reflect both functionality and aesthetic appeal in various markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#2 in Eastleigh

#1,731 in United Kingdom

#56,047 in the World

Eastleigh, United Kingdom

Stewart Hughes Limited

Forward Citations = 102

7 inventors:

Maxwell Richard Hadley (4 out of 12 patents)

Roy Forfitt (4 out of 5 patents)

Honor Powrie (2 out of 2 patents)

4. Celia Elizabeth Fisher (2 out of 2 patents)

5. Richard P Dudley (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Stewart Hughes Limited. Retrieved from https://idiyas.com/company/stewart-hughes

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]