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Southampton, United Kingdom

Perpetuum Ltd

USPTO Granted Patents = 21

% Expired Patents = 33.3

EPO Patents = 13

Trademarks = 1

Forward Citations = 326

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15 inventors (with patents filed for the assignee):

Stephen William Roberts (14 out of 34 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, based in Southampton, specializes in the development of innovative energy harvesting solutions. The company focuses on creating technologies that enable the conversion of ambient vibrations into usable electrical energy, primarily for industrial applications. Their expertise lies in the fields of energy harvesting and wireless sensor networks, contributing to advancements in automation and remote monitoring systems. Perpetuum's solutions aim to enhance operational efficiency and sustainability across various sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

21 Patents

#6 in Southampton

#847 in United Kingdom

#29,893 in the World

Southampton, United Kingdom

Perpetuum Ltd

Forward Citations = 326

15 inventors:

Stephen William Roberts (14 out of 34 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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