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For the Inventor, By the Inventor

Reading, United Kingdom

Castrol Limited


USPTO Granted Patents = 117



Trademarks = 104

Forward Citations = 820

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146 inventors (with patents filed for the assignee):

goldMedal Steven Paul Goodier (20 out of 20 patents)

silverMedal Irwin L Goldblatt (16 out of 19 patents)

bronzeMedal Richard P Sauer (14 out of 14 patents)

4.  Peter Stuart Brett (12 out of 12 patents)

5.  Oliver Paul Taylor (9 out of 10 patents)

6.  Kevin Richard West (8 out of 10 patents)

7.  Herbert Frank Askew (8 out of 14 patents)

8.  Mark O'Malley (7 out of 7 patents)

9.  Michael E McHenry (7 out of 7 patents)

10.  Colin John Harrington (7 out of 7 patents)

11.  Richard Currie (7 out of 7 patents)

12.  Piers Sebastian Harding (6 out of 9 patents)

13.  Frederick J Boden (6 out of 6 patents)

14.  Christopher Dawson (5 out of 5 patents)

15.  Gerald John Jayne (5 out of 13 patents)


Core Competencies:
Phase Change Material
Heat Exchange Fluid
Lubricant Container
Metal Working Fluid
Aqueous Metalworking Fluids
Hydrocarbon Fluid
Lubricant Compositions
Fluid Distribution System
Heat Exchanger
Oil Analysis
Friction Modifier
Non-Aqueous Lubricant

117 patents:

1. 12482879 - Phase change material for heat exchange fluid/coolant (2025-11-25),
2. D1098917 - Lubricant container (2025-10-21),
3. D1098916 - Lubricant container (2025-10-21),
4. 12116912 - Container, method and control system (2024-10-15),
5. 11952552 - Metal working fluid additive composition (2024-04-09),
6. 11732212 - Aqueous metalworking fluids and methods for using the same (2023-08-22),
7. D982447 - Bottle (2023-04-04),
8. D981853 - Bottle (2023-03-28),
9. 11535810 - Removing aromatic compounds from a hydrocarbon fluid (2022-12-27),
10. 11499118 - Metal working fluid additive composition (2022-11-15),
11. 11492566 - Ether-based lubricant compositions, methods and uses (2022-11-08),
12. 11407958 - Lubricant compositions (2022-08-09),
13. 11022012 - Fluid method and system (2021-06-01),
14. 11014761 - Conveyor condition monitor for a conveyor with linked trollies (2021-05-25),
15. D919436 - Lubricant bottle (2021-05-18),
Castrol Limited is a leading global manufacturer, distributor, and marketer of premium lubricating oils, greases, and related services. With a heritage dating back over 120 years, Castrol operates in over 120 countries worldwide, serving a diverse range of industries including automotive, industrial, marine, and aerospace. Our commitment to continuously innovate and provide advanced lubricant solutions has earned us the trust of millions of customers worldwide. Visit our website to learn more about our products, services, and sustainability initiatives.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 13 2026

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117 Patents

#1 in Reading

#144 in United Kingdom

#6,613 in the World

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Reading, United Kingdom

Castrol Limited

Forward Citations = 820

146 inventors:

goldMedal Steven Paul Goodier (20 out of 20 patents)

silverMedal Irwin L Goldblatt (16 out of 19 patents)

bronzeMedal Richard P Sauer (14 out of 14 patents)

4.  Peter Stuart Brett (12 out of 12 patents)

5.  Oliver Paul Taylor (9 out of 10 patents)

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