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For the Inventor, By the Inventor

Dyce, United Kingdom

Swelltec Limited


USPTO Granted Patents = 26

% Expired Patents = 80.8



Forward Citations = 164

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5 inventors (with patents filed for the assignee):

goldMedal Brian Nutley (26 out of 30 patents)

silverMedal Kim Nutley (26 out of 30 patents)

bronzeMedal Glen Robitaille (2 out of 2 patents)

4.  Ross Clarke (1 out of 5 patents)

5.  John P Broussard (1 out of 19 patents)


Core Competencies:
Downhole Tool
Swellable Packer
Isolation Methods
Sealing Member
Support Structure
Flow Path
Expandable Member
Hydrocarbon Swellable
Water Swellable
Cable Conduit
Swellable Seal
Swellable Mantle

26 patents:

1. 9745818 - Downhole isolation methods and apparatus therefor (2017-08-29),
2. 9512691 - Elongated sealing member for downhole tool (2016-12-06),
3. 8960315 - Swellable downhole apparatus and support assembly (2015-02-24),
4. 8794339 - Downhole apparatus with a swellable support structure (2014-08-05),
5. 8752638 - Downhole apparatus with a swellable centraliser (2014-06-17),
6. 8636074 - Elongated sealing member for downhole tool (2014-01-28),
7. 8627894 - Ring member for a swellable downhole packer (2014-01-14),
8. 8590617 - Apparatus and method for providing an alternate flow path in isolation devices (2013-11-26),
9. 8584764 - Downhole apparatus with a swellable support structure (2013-11-19),
10. 8561689 - Swellable downhole apparatus and support assembly (2013-10-22),
11. 8540032 - Apparatus and method with hydrocarbon swellable and water swellable body (2013-09-24),
12. 8490708 - Downhole apparatus and method (2013-07-23),
13. 8464800 - Expandable member for downhole tool (2013-06-18),
14. 8459367 - Swellable packer having a cable conduit (2013-06-11),
15. 8408316 - Downhole apparatus with a swellable support structure (2013-04-02),
Company Overview
Swelltec Limited is a technology company based in Dyce, GB, specializing in innovative solutions for the oil and gas industry. The organization focuses on developing advanced technologies aimed at enhancing operational efficiency and safety in energy production. With a commitment to research and development, Swelltec is dedicated to creating cutting-edge products that address the evolving challenges within the sector, leveraging expertise in engineering and technology to deliver impactful results.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

26 Patents

#2 in Dyce

#680 in United Kingdom

#24,781 in the World

Dyce, GB
Dyce, United Kingdom

Swelltec Limited

Forward Citations = 164

5 inventors:

goldMedal Brian Nutley (26 out of 30 patents)

silverMedal Kim Nutley (26 out of 30 patents)

bronzeMedal Glen Robitaille (2 out of 2 patents)

4.  Ross Clarke (1 out of 5 patents)

5.  John P Broussard (1 out of 19 patents)

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

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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