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Chelmsford, United Kingdom

Eev Limited

USPTO Granted Patents = 50

Forward Citations = 394

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60 inventors (with patents filed for the assignee):

Steven Bardell (7 out of 8 patents)

Roy Heppinstall (4 out of 9 patents)

David Mark Wilcox (4 out of 7 patents)

4. Ewan S Livingstone (4 out of 4 patents)

5. Arthur Maitland (4 out of 20 patents)

6. Mark Bridges (4 out of 5 patents)

7. Peter James Pool (3 out of 8 patents)

8. Heinz P Bohlen (3 out of 3 patents)

9. David Ward Carr (2 out of 2 patents)

10. Trevor Arthur Cross (2 out of 2 patents)

11. Alan Mason Doncaster (2 out of 3 patents)

12. Clifford R Weatherup (2 out of 9 patents)

13. Keith Squibb (2 out of 2 patents)

14. Kevin A Hadfield (2 out of 3 patents)

15. Paul A Jerram (2 out of 2 patents)

Core Competencies:

Electron Beam Tubes

Gas Sensors

Imaging Apparatus

Solar Cell Arrangements

Magnetron

Laser Apparatus

High Frequency Amplifying

Thermal Camera

Charge-Coupled Device

Firing Arrangements

Electrode

Vacuum Seal

50 patents: Sort by Forward Citations

1. 6913480 - Connector for making connection with mating interface (2005-07-05),

2. 6614158 - Electron gun arrangements having closely spaced cathode and electrode and a vacuum seal (2003-09-02),

3. 6587542 - Dental panoramic imaging system (2003-07-01),

4. 6563289 - Solar cell arrangements (2003-05-13),

5. 6548024 - Gas sensors (2003-04-15),

6. 6465958 - Electron beam tubes (2002-10-15),

7. 6407495 - Electron beam tube having particular structure of the vacuum envelope containing electron gun (2002-06-18),

8. 6353176 - Manufacturing method for solar cell arrangements (2002-03-05),

9. 6339294 - Magnetron anode vanes having a face portion oriented towards the anode center (2002-01-15),

10. 6049174 - High coulombic switch gas discharge device (2000-04-11),

11. 5994850 - Switching arrangements wherein a cylindrical trigger electrode is (1999-11-30),

12. 5990621 - Electron beam tubes including ceramic material for realizing rf chokes (1999-11-23),

13. 5973326 - Gas monitors (1999-10-26),

14. 5894129 - Imaging apparatus (1999-04-13),

15. 5885844 - Method of identifying analytes (1999-03-23),

Company Overview

Eev Limited, based in Chelmsford, GB, specializes in advanced electron beam technology, focusing on the development and manufacturing of electron beam tubes and related apparatus. The company is engaged in innovative research across various domains, including gas sensors, imaging systems, and solar cell arrangements. Eev Limited also explores applications in high-frequency amplification and thermal imaging, positioning itself as a key player in the field of precision electronics and imaging technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

50 Patents

#4 in Chelmsford

#355 in United Kingdom

#13,996 in the World

Chelmsford, United Kingdom

Eev Limited

Forward Citations = 394

60 inventors:

Steven Bardell (7 out of 8 patents)

Roy Heppinstall (4 out of 9 patents)

David Mark Wilcox (4 out of 7 patents)

4. Ewan S Livingstone (4 out of 4 patents)

5. Arthur Maitland (4 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eev Limited. Retrieved from https://idiyas.com/company/eev

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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