For the Inventor, By the Inventor

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Bath, United Kingdom

Rotork Controls Limited

USPTO Granted Patents = 22

EPO Patents = 9

Trademarks = 2

Forward Citations = 432

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22 inventors (with patents filed for the assignee):

Stuart Masefield Lay (5 out of 5 patents)

Peter George Sanders (5 out of 5 patents)

Jeremy J Fry (5 out of 6 patents)

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

5. Nian You Tan (2 out of 3 patents)

6. David Ware (2 out of 3 patents)

7. Jonathan Wiggins (2 out of 3 patents)

8. Robert Pearce (1 out of 18 patents)

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

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

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

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

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

14. Hemendra Parakrama Bandara Dassanayake (1 out of 1 patent)

15. Andrew Mark Withers (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 12359741 - Actuator (2025-07-15),

2. 11984752 - Actuating mechanism with integral battery (2024-05-14),

3. 11920697 - Failsafe module (2024-03-05),

4. 11692638 - Actuator (2023-07-04),

5. 11626744 - Actuating mechanism with integral battery (2023-04-11),

6. 9453562 - Valve actuator torque limiter (2016-09-27),

7. 9310195 - Apparatus adapted to provide an indication of an angular position of an input member over multiple turns (2016-04-12),

8. 8950565 - Anti back-drive couplings (2015-02-10),

9. 8118276 - Valve actuators (2012-02-21),

10. D587211 - Actuator control unit (2009-02-24),

11. D583397 - Actuator component (2008-12-23),

12. D533845 - Remote control unit for controlling a valve actuator (2006-12-19),

13. 7055795 - Drive mechanisms for valve actuators (2006-06-06),

14. 6289749 - Thrust sensor assembly (2001-09-18),

15. 5865272 - Differential drive linear actuator (1999-02-02),

Rotork Controls Limited is a global flow control company that designs and manufactures actuators and control systems for valve automation. With over 60 years of experience, Rotork is a trusted provider of reliable and innovative solutions for a wide range of industries, including oil and gas, water and wastewater, power generation, and more.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

22 Patents

#2 in Bath

#804 in United Kingdom

#27,908 in the World

Bath, United Kingdom

Rotork Controls Limited

Forward Citations = 432

22 inventors:

Stuart Masefield Lay (5 out of 5 patents)

Peter George Sanders (5 out of 5 patents)

Jeremy J Fry (5 out of 6 patents)

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

5. Nian You Tan (2 out of 3 patents)

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