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For the Inventor, By the Inventor

London, United Kingdom

Johnson Matthey Davy Technologies Limited


USPTO Granted Patents = 43



Trademarks = 10

Forward Citations = 35

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103 inventors (with patents filed for the assignee):

goldMedal Julian Stuart Gray (10 out of 13 patents)

silverMedal David John Watson (7 out of 8 patents)

bronzeMedal Martin Smidt (6 out of 9 patents)

4.  Michael William Marshall Tuck (6 out of 12 patents)

5.  John Swinney (4 out of 4 patents)

6.  Simon Robert Early (4 out of 10 patents)

7.  Graham Reed (4 out of 8 patents)

8.  Paul Gordon (4 out of 4 patents)

9.  Adrian Lord (3 out of 4 patents)

10.  Kar Chi Yiu (3 out of 3 patents)

11.  Ian Campbell (3 out of 6 patents)

12.  Robert Gallen (3 out of 3 patents)

13.  Simon Graham (3 out of 3 patents)

14.  Rikard Umberto Andersson (3 out of 5 patents)

15.  Simon Wayne Jackson (3 out of 5 patents)


43 patents:

1. 12447453 - Rotatable retaining device for tubular reactors (2025-10-21),
2. 12303882 - Methods and apparatus for installation and removal of catalyst carriers (2025-05-20),
3. 12263473 - Process for the activation of oxidised catalysts (2025-04-01),
4. 12226764 - Annular catalyst carrier container for use in a tubular reactor (2025-02-18),
5. 12017982 - Process for hydroformylation of olefins to aldehydes (2024-06-25),
6. 11851394 - Process for synthesising methanol (2023-12-26),
7. 11851393 - Process for synthesising methanol (2023-12-26),
8. 11597691 - Process for synthesising methanol (2023-03-07),
9. 11560309 - Process and reactor comprising a plurality of catalyst receptacles (2023-01-24),
10. 11351523 - Process for regenerating a deactivated vanadium-titanium-phosphorous catalyst (2022-06-07),
11. 11312674 - Process for making a feed of normal butanol, iso-butanol and 2-alkyl alkanol (2022-04-26),
12. 11261086 - Process for producing methanol and ammonia (2022-03-01),
13. 11198664 - Process for the purification of ethylene glycol (2021-12-14),
14. 11161739 - Process and reactor comprising a plurality of catalyst receptacles (2021-11-02),
15. 11110422 - Annular catalyst carrier container for use in a tubular reactor (2021-09-07),
Johnson Matthey Davy Technologies Limited is a leading provider of catalyst and process technology, which enables the production of chemicals and fuels. With expertise in sustainable technologies and a wide range of industries, the company aims to deliver innovative solutions for a greener and more sustainable future.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

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43 Patents

#82 in London

#391 in United Kingdom

#15,540 in the World

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London, United Kingdom

Johnson Matthey Davy Technologies Limited

Forward Citations = 35

103 inventors:

goldMedal Julian Stuart Gray (10 out of 13 patents)

silverMedal David John Watson (7 out of 8 patents)

bronzeMedal Martin Smidt (6 out of 9 patents)

4.  Michael William Marshall Tuck (6 out of 12 patents)

5.  John Swinney (4 out of 4 patents)

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