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For the Inventor, By the Inventor

Bath, United Kingdom

Rotork Controls Limited


USPTO Granted Patents = 25


Trademarks = 2

Forward Citations = 442

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24 inventors (with patents filed for the assignee):

goldMedal Stuart Masefield Lay (5 out of 5 patents)

silverMedal Peter George Sanders (5 out of 5 patents)

bronzeMedal Jeremy J Fry (5 out of 6 patents)

4.  Lewis Read (3 out of 3 patents)

5.  Paul Johns (3 out of 3 patents)

6.  David Leslie Adams (2 out of 2 patents)

7.  Nian You Tan (2 out of 3 patents)

8.  David Ware (2 out of 3 patents)

9.  Jonathan Wiggins (2 out of 3 patents)

10.  Robert Pearce (1 out of 18 patents)

11.  Stuart Steven Adam (1 out of 1 patent)

12.  Kevin Richard Sweet (1 out of 1 patent)

13.  Thomas Richard Stafford (1 out of 1 patent)

14.  Alan Stephen Budden (1 out of 1 patent)

15.  Philip Stephen Hinchliffe (1 out of 1 patent)


Core Competencies:
Electrical Assembly Housing
Actuator
Failsafe Module
Torque Limiter
Angular Position Indication
Anti Back-Drive Couplings
Control Unit
Thrust Sensor
Induction Motor Drive
Drive Mechanisms
Differential Drive
Remote Control Unit

25 patents:

1. D1135852 - Electrical assembly housing (2026-07-21),
2. D1132894 - Electrical assembly housing (2026-07-07),
3. D1132893 - Electrical assembly housing (2026-07-07),
4. 12359741 - Actuator (2025-07-15),
5. 11984752 - Actuating mechanism with integral battery (2024-05-14),
6. 11920697 - Failsafe module (2024-03-05),
7. 11692638 - Actuator (2023-07-04),
8. 11626744 - Actuating mechanism with integral battery (2023-04-11),
9. 9453562 - Valve actuator torque limiter (2016-09-27),
10. 9310195 - Apparatus adapted to provide an indication of an angular position of an input member over multiple turns (2016-04-12),
11. 8950565 - Anti back-drive couplings (2015-02-10),
12. 8118276 - Valve actuators (2012-02-21),
13. D587211 - Actuator control unit (2009-02-24),
14. D583397 - Actuator component (2008-12-23),
15. D533845 - Remote control unit for controlling a valve actuator (2006-12-19),
Rotork Controls Limited, headquartered in Bath, UK, specializes in the development and manufacturing of actuators and flow control equipment. The company is recognized for its innovative solutions in the automation of valve and damper operations across various industries, including oil and gas, water and wastewater, and power generation. Rotork's expertise extends to advanced control systems and technologies that enhance operational efficiency and reliability, making it a key player in the global market for industrial automation.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

25 Patents

#3 in Bath

#701 in United Kingdom

#25,651 in the World

Bath, GB
Bath, United Kingdom

Rotork Controls Limited

Forward Citations = 442

24 inventors:

goldMedal Stuart Masefield Lay (5 out of 5 patents)

silverMedal Peter George Sanders (5 out of 5 patents)

bronzeMedal Jeremy J Fry (5 out of 6 patents)

4.  Lewis Read (3 out of 3 patents)

5.  Paul Johns (3 out of 3 patents)

Please report any incorrect information to [email protected]
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