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For the Inventor, By the Inventor

Reading, United Kingdom

Castrol Limited


USPTO Granted Patents = 120

% Expired Patents = 24.2



Trademarks = 8

Forward Citations = 875

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148 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.  Richard Currie (9 out of 9 patents)

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

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

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

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

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

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

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

14.  Sener Karagulle (6 out of 6 patents)

15.  Christopher Dawson (5 out of 5 patents)


Core Competencies:
Lubricant Container
Heat Exchange Fluid
Metalworking Fluid
Fluid Distribution
Friction Modifier
Dispersant Polymer
Grafted Copolymer
Emergency Fuel
Oil Analysis
Non-Aqueous Lubricant
Two-Stroke Motorcycle Lubricant
Mobile Oil Dispenser

120 patents:

1. D1143947 - Lubricant container (2026-08-25),
2. D1130118 - Container for liquid (2026-06-16),
3. D1123628 - Lubricant container (2026-04-28),
4. 12482879 - Phase change material for heat exchange fluid/coolant (2025-11-25),
5. D1098917 - Lubricant container (2025-10-21),
6. D1098916 - Lubricant container (2025-10-21),
7. 12116912 - Container, method and control system (2024-10-15),
8. 11952552 - Metal working fluid additive composition (2024-04-09),
9. 11732212 - Aqueous metalworking fluids and methods for using the same (2023-08-22),
10. D982447 - Bottle (2023-04-04),
11. D981853 - Bottle (2023-03-28),
12. 11535810 - Removing aromatic compounds from a hydrocarbon fluid (2022-12-27),
13. 11499118 - Metal working fluid additive composition (2022-11-15),
14. 11492566 - Ether-based lubricant compositions, methods and uses (2022-11-08),
15. 11407958 - Lubricant compositions (2022-08-09),
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 - Sep 22 2026

Castrol Limited
120 Patents

#2 in Reading

#142 in United Kingdom

#6,635 in the World

Reading, GB
Reading, United Kingdom

Castrol Limited

Forward Citations = 875

148 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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