For the Inventor, By the Inventor

Enter assignee name

Portsmouth, United Kingdom

City Technology Limited

USPTO Granted Patents = 30

EPO Patents = 3

Trademarks = 8

Forward Citations = 431

Loading Chart...

Loading Chart...

32 inventors (with patents filed for the assignee):

Anthony D Tantram (8 out of 9 patents)

John Robert Finbow (5 out of 10 patents)

Yat S Chan (5 out of 8 patents)

4. Stuart Christopher Cutler (4 out of 4 patents)

5. John Chapples (3 out of 23 patents)

6. Peter John Smith (3 out of 3 patents)

7. David Frank Davies (2 out of 3 patents)

8. Ian Paul Andrews (2 out of 6 patents)

9. Ramin Pirzad (2 out of 4 patents)

10. Keith Francis Edwin Pratt (2 out of 2 patents)

11. Bryan S Hobbs (2 out of 6 patents)

12. Malcolm Robert Bulpitt (2 out of 2 patents)

13. Peter J Sewell (2 out of 2 patents)

14. David A Rohrbacker (1 out of 4 patents)

15. Graham Collins (1 out of 1 patent)

30 patents: Sort by Forward Citations

1. 8691066 - Gas sensor (2014-04-08),

2. 8318525 - Gas sensing device (2012-11-27),

3. 7575717 - Assay device for evaluating entrainable substances (2009-08-18),

4. 7541587 - Gas sensor (2009-06-02),

5. 7534333 - Electrochemical gas sensor (2009-05-19),

6. 7282168 - Gas sensor assembly and method (2007-10-16),

7. 7279080 - Gas sensors (2007-10-09),

8. 7236095 - Solid state sensor for carbon monoxide (2007-06-26),

9. 7195922 - Allergen detection (2007-03-27),

10. 7010957 - Gas sensors with improved resistance to humidity interference (2006-03-14),

11. 6993955 - Gas sensors (2006-02-07),

12. D500256 - Gas detector (2004-12-29),

13. D494879 - Gas detector (2004-08-25),

14. 6395230 - Pellistor (2002-05-28),

15. 5761952 - Electrochemical gas sensor (1998-06-09),

City Technology Limited is a global leader in the design, manufacture, and marketing of innovative gas sensors for the industrial, automotive, residential, and medical sectors. With over 35 years of experience, we are committed to providing high-quality and reliable sensor solutions that contribute to the safety and efficiency of various applications worldwide. From our headquarters in Portsmouth, UK, we serve a diverse customer base and strive to continually push the boundaries of gas sensing technology.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

30 Patents

#1 in Portsmouth

#585 in United Kingdom

#21,227 in the World

Portsmouth, United Kingdom

City Technology Limited

Forward Citations = 431

32 inventors:

Anthony D Tantram (8 out of 9 patents)

John Robert Finbow (5 out of 10 patents)

Yat S Chan (5 out of 8 patents)

4. Stuart Christopher Cutler (4 out of 4 patents)

5. John Chapples (3 out of 23 patents)

Please report any incorrect information to support@idiyas.com

Loading…