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For the Inventor, By the Inventor

Slough, United Kingdom

John Crane UK Limited


USPTO Granted Patents = 40

% Expired Patents = 5.0


Trademarks = 3

Forward Citations = 270

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40 inventors (with patents filed for the assignee):

goldMedal Ian Martyn Goldswain (12 out of 12 patents)

silverMedal Raphael Rouillon (7 out of 7 patents)

bronzeMedal Klaus-Dieter Meck (7 out of 7 patents)

4.  Kanza Amanullah (4 out of 4 patents)

5.  Amrat Parmar (4 out of 4 patents)

6.  David Unsworth (4 out of 4 patents)

7.  Joseph L Savio (3 out of 6 patents)

8.  Oliver Daniel Hurtig (3 out of 3 patents)

9.  Nicholas Derek Quarmby (3 out of 4 patents)

10.  Inderpal Singh Sihra (3 out of 3 patents)

11.  Anthony C Back (3 out of 5 patents)

12.  Bhikhubhai Chhanabhai Patel (2 out of 2 patents)

13.  Isaac Lopez Higuera (2 out of 2 patents)

14.  Aidan James Nicholls (2 out of 2 patents)

15.  Martin W Hignett (2 out of 2 patents)


Core Competencies:
Remote Methane Detector
Dry Gas Seal
Mechanical Seal
Condition Monitoring
Reduced Emission Seal
Separation Seal
Pumping Seal
Sensor Technology
Predictive Diagnostics
Containment Seal
Failure Detection
Seal Assemblies

40 patents:

1. 12455206 - Remote methane detector (2025-10-28),
2. 12305720 - Coupling members that join first and second rotary members (2025-05-20),
3. 11892368 - Condition monitoring apparatus (2024-02-06),
4. 11885417 - Radial separation seal (2024-01-30),
5. 11873830 - Dry gas seal including oil repellant surface (2024-01-16),
6. 11870320 - Pumping seal for rotating machines (2024-01-09),
7. 11841865 - Database management system and associated methods (2023-12-12),
8. 11815491 - Mechanical seal with sensor (2023-11-14),
9. 11796064 - Reduced emission gas seal (2023-10-24),
10. 11719670 - Systems and methods for predictive diagnostics for mechanical systems (2023-08-08),
11. 11692556 - Containment or separation seal (2023-07-04),
12. 11506217 - Porous carbon containment or separation seal (2022-11-22),
13. 11396883 - Reduced emission gas seal (2022-07-26),
14. 11280761 - Mechanical seal with sensor (2022-03-22),
15. 11231396 - Mechanical seal with sensor (2022-01-25),
John Crane UK Limited, based in Slough, specializes in advanced sealing technologies and solutions for various industrial applications. The company focuses on developing innovative products such as mechanical seals, dry gas seals, and containment seals, which are essential for enhancing operational efficiency and reducing emissions. Their expertise extends to remote methane detection and condition monitoring, providing predictive diagnostics that support proactive maintenance and environmental compliance across multiple sectors.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

40 Patents

#7 in Slough

#441 in United Kingdom

#17,031 in the World

Slough, GB
Slough, United Kingdom

John Crane UK Limited

Forward Citations = 270

40 inventors:

goldMedal Ian Martyn Goldswain (12 out of 12 patents)

silverMedal Raphael Rouillon (7 out of 7 patents)

bronzeMedal Klaus-Dieter Meck (7 out of 7 patents)

4.  Kanza Amanullah (4 out of 4 patents)

5.  Amrat Parmar (4 out of 4 patents)

Please report any incorrect information to [email protected]
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