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For the Inventor, By the Inventor

Leicester, United Kingdom

Permavoid Limited

USPTO Granted Patents = 11

% Expired Patents = 9.1



Trademarks = 1

Forward Citations = 93

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7 inventors (with patents filed for the assignee):

goldMedal Andrew Bryan Shuttleworth (10 out of 13 patents)

silverMedal Paul David Culleton (9 out of 13 patents)

bronzeMedal Carolus Hermanus Van Raam (8 out of 11 patents)

4.  Carolu Hermanus Van Raam (1 out of 1 patent)

5.  David Saxby (1 out of 1 patent)

6.  William Pomfret (1 out of 1 patent)

7.  Richard Granville Marshall (1 out of 1 patent)

8.  Timothy Robert Lowe (2 patents)

9.  Andrew Shuttleworth (1 patent)

10.  Tim Puehmeier (1 patent)

11.  Alan Paul Newman (1 patent)

12.  Ben Daniels (0 patent)

13.  Andrew Brian Linga Longa Shuttleworth (0 patent)

14.  Tim Puehmeier (0 patent)

15.  Stuart Ramella (3 patents)


11 patents:

1. 11505901 - Sports field structure and method for forming the same (2022-11-22),
2. 10844552 - Sports field structure and method for forming the same (2020-11-24),
3. 10718090 - Support structure with a connecting plug (2020-07-21),
4. 10238084 - Cattle floor (2019-03-26),
5. 10208434 - Sports field structure and method for forming the same (2019-02-19),
6. 9986693 - Plant surface structure and modules and method for forming the same (2018-06-05),
7. 9631328 - Sports field structure and modules and method for forming the same (2017-04-25),
8. 8852009 - Activity surfaces using structural modules (2014-10-07),
9. 8790037 - Surfaces using structural modules (2014-07-29),
10. 7704011 - Structural module (2010-04-27),
11. 6913420 - Fluid movement apparatus (2005-07-05),
Company Overview
Permavoid Limited specializes in innovative solutions for sustainable water management and ground stabilization. Based in Leicester, the company focuses on developing advanced technologies that enhance drainage systems and reduce surface water runoff. Their products are designed to support environmental sustainability in construction and landscaping, promoting effective land use while minimizing ecological impact. With a commitment to quality and innovation, Permavoid plays a significant role in addressing modern challenges related to water management.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#8 in Leicester

#1,600 in United Kingdom

#51,801 in the World

Leicester, GB
Leicester, United Kingdom

Permavoid Limited

Forward Citations = 93

7 inventors:

goldMedal Andrew Bryan Shuttleworth (10 out of 13 patents)

silverMedal Paul David Culleton (9 out of 13 patents)

bronzeMedal Carolus Hermanus Van Raam (8 out of 11 patents)

4.  Carolu Hermanus Van Raam (1 out of 1 patent)

5.  David Saxby (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Permavoid Limited. Retrieved from https://idiyas.com/company/permavoid

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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