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Romsey, United Kingdom

Perpetuum Ltd

USPTO Granted Patents = 21

EPO Patents = 13

Trademarks = 1

Forward Citations = 301

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15 inventors (with patents filed for the assignee):

Stephen William Roberts (14 out of 33 patents)

Adam Wasenczuk (8 out of 11 patents)

Roy Freeland (5 out of 5 patents)

4. David Robert Vincent (4 out of 14 patents)

5. Behrooz Chini (2 out of 2 patents)

6. Michael Allum (1 out of 1 patent)

7. Andrew Paul Pevy (1 out of 1 patent)

8. Guy Rushton (1 out of 2 patents)

9. John Stuart Parker (1 out of 1 patent)

10. Thomas Benoit Julien Mouille (1 out of 1 patent)

11. Giles Stanley (1 out of 1 patent)

12. Keith Dobson Dawkins (1 out of 1 patent)

13. Neil Maurice White (1 out of 5 patents)

14. Paul R Roberts (1 out of 1 patent)

15. John Mark Morgan (1 out of 5 patents)

21 patents: Sort by Forward Citations

1. 11152843 - Electromechanical generator for converting mechanical vibrational energy into electrical energy (2021-10-19),

2. 11031857 - Electromechanical generator for converting mechanical vibrational energy into electrical energy (2021-06-08),

3. 10461670 - Generator and method for converting vibrational energy into electrical energy (2019-10-29),

4. 10425021 - Generator and method for converting vibrational energy into electrical energy (2019-09-24),

5. 10356691 - Radio relay (2019-07-16),

6. 10336348 - Bracket (2019-07-02),

7. 9941822 - Generator and method for converting vibrational energy into electrical energy (2018-04-10),

8. 9461530 - Electromechanical generator for converting mechanical vibrational energy into electrical energy (2016-10-04),

9. 9088200 - Electromechanical generator for converting mechanical vibrational energy into electrical energy (2015-07-21),

10. 8680694 - Vibration energy harvester for converting mechanical vibrational energy into electrical energy (2014-03-25),

11. 8629569 - Electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy (2014-01-14),

12. 8492937 - Electromechanical generator for converting mechanical vibrational energy into electrical energy (2013-07-23),

13. 8432084 - Converting mechanical vibrational energy into electrical energy (2013-04-30),

14. 8135469 - Energy harvester for an implant device (2012-03-13),

15. 8080906 - Generator for converting mechanical vibrational energy into electrical energy (2011-12-20),

Perpetuum Ltd is a leading provider of condition monitoring and asset management solutions for the rail industry. They specialize in developing innovative wireless sensors and data analytics software, enabling their customers to optimize the performance, reliability, and maintenance of their rolling stock and infrastructure. With their cutting-edge technology, Perpetuum helps rail operators reduce costs, extend asset lifecycles, and enhance safety.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

21 Patents

#2 in Romsey

#836 in United Kingdom

#29,047 in the World

Romsey, United Kingdom

Perpetuum Ltd

Forward Citations = 301

15 inventors:

Stephen William Roberts (14 out of 33 patents)

Adam Wasenczuk (8 out of 11 patents)

Roy Freeland (5 out of 5 patents)

4. David Robert Vincent (4 out of 14 patents)

5. Behrooz Chini (2 out of 2 patents)

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