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For the Inventor, By the Inventor

Pickering, Canada

Eco-Tec Limited


USPTO Granted Patents = 15



Trademarks = 5

Forward Citations = 305

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9 inventors (with patents filed for the assignee):

goldMedal Craig J Brown (13 out of 16 patents)

silverMedal Michael A Sheedy (6 out of 6 patents)

bronzeMedal Michael Paleologou (3 out of 22 patents)

4.  Rokhsareh Thompson (3 out of 5 patents)

5.  Richard M Berry (2 out of 27 patents)

6.  Antonio G Mazza (1 out of 1 patent)

7.  Robert F Hunter (1 out of 3 patents)

8.  Irving H Spinner (1 out of 1 patent)

9.  Michael J Dejak (1 out of 1 patent)


15 patents:

1. 10898891 - Process for stripping carbamate from ion exchange resin (2021-01-26),
2. 7045067 - Method and apparatus for increasing filter contaminant loading capacity (2006-05-16),
3. 5942084 - Process for the separation of sulphides from pulping liquors using (1999-08-24),
4. 5922171 - Method and apparatus for removing sodium chloride from pulping chemicals (1999-07-13),
5. 5792441 - Fixed-resin bed technologies for the treatment of the chlorine dioxide (1998-08-11),
6. 5547579 - Process and apparatus for purification of contaminated acids (1996-08-20),
7. 5500098 - Process for regeneration of volatile acids (1996-03-19),
8. 5173170 - Process for electroplating metals (1992-12-22),
9. 5162079 - Process and apparatus for control of electroplating bath composition (1992-11-10),
10. 4906340 - Process for electroplating metals (1990-03-06),
11. 4832812 - Apparatus for electroplating metals (1989-05-23),
12. 4778572 - Process for electroplating metals (1988-10-18),
13. 4673507 - Fluid treatment process and apparatus (1987-06-16),
14. 4666683 - Process for removal of copper from solutions of chelating agent and (1987-05-19),
15. 4186174 - Process and apparatus for obtaining a more concentrated solution of a (1980-01-29),
Company Overview
Eco-Tec Limited is a Canadian company based in Pickering, specializing in advanced technologies for resource recovery and environmental sustainability. The organization focuses on developing innovative solutions for the efficient extraction and recycling of valuable materials from industrial processes, particularly in the mining and metal recovery sectors. With a commitment to reducing waste and enhancing resource efficiency, Eco-Tec plays a crucial role in promoting sustainable practices within various industries, contributing to a greener future.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

15 Patents

#2 in Pickering

#983 in Canada

#39,921 in the World

Pickering, CA
Pickering, Canada

Eco-Tec Limited

Forward Citations = 305

9 inventors:

goldMedal Craig J Brown (13 out of 16 patents)

silverMedal Michael A Sheedy (6 out of 6 patents)

bronzeMedal Michael Paleologou (3 out of 22 patents)

4.  Rokhsareh Thompson (3 out of 5 patents)

5.  Richard M Berry (2 out of 27 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eco-Tec Limited. Retrieved from https://idiyas.com/company/eco-tec

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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