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For the Inventor, By the Inventor

Vancouver, Canada

Chemetics Inc.


USPTO Granted Patents = 14

% Expired Patents = 14.3



Trademarks = 3

Forward Citations = 13

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25 inventors (with patents filed for the assignee):

goldMedal Rene Dijkstra (3 out of 3 patents)

silverMedal Amit Shah (3 out of 3 patents)

bronzeMedal Thomas S Drackett (3 out of 7 patents)

4.  Graham Lyne (2 out of 2 patents)

5.  Siamak Lashkari (2 out of 2 patents)

6.  Torsten Weber (1 out of 2 patents)

7.  Bernd Erkes (1 out of 3 patents)

8.  Lucia Fernandez Lopez (1 out of 1 patent)

9.  Felix Mok (1 out of 3 patents)

10.  Ganapathy Ramasubbu (1 out of 1 patent)

11.  Anthony Mumba (1 out of 1 patent)

12.  Ian Christopher Bailey (1 out of 1 patent)

13.  Frédéric Pascal Olivier Muret (1 out of 1 patent)

14.  Roza Tizvar (1 out of 1 patent)

15.  David Alexander Summers (1 out of 3 patents)


14 patents:

1. 12759876 - System and method for producing sulfur dioxide and associated sulfuric acid plant (2026-10-13),
2. 12528752 - Integrated ammonia and sulfuric acid production plant and process (2026-01-20),
3. 12448673 - Austenitic stainless alloy with superior corrosion resistance (2025-10-21),
4. 10556795 - Single contact, single absorption system for producing sulfuric acid with high conversion efficiency (2020-02-11),
5. 10532929 - Energy efficient sulfuric acid system for humid environments (2020-01-14),
6. 10376834 - Continuous process and apparatus for purifying SO2-containing gases (2019-08-13),
7. 10337113 - Side stream removal of impurities in electrolysis systems (2019-07-02),
8. 10174404 - Hydrometallurgical process using multi-stage nanofiltration (2019-01-08),
9. 9994451 - Single contact, single absorption system for producing sulfuric acid with high conversion efficiency (2018-06-12),
10. 9944523 - High strength, low salt hypochlorite production (2018-04-17),
11. 9869028 - Side stream removal of impurities in electrolysis systems (2018-01-16),
12. 9795899 - Membrane separation at high temperature differential (2017-10-24),
13. 9259665 - Liquid distribution trough for use in towers in sulphuric acid and carbon capture plants (2016-02-16),
14. 8882985 - Perchlorate removal from concentrated salt solutions using amphoteric ion-exchange resins (2014-11-11),
Company Overview
Chemetics Inc., based in Vancouver, Canada, specializes in providing advanced chemical process technologies and engineering solutions. The company focuses on the development and manufacturing of innovative systems for the chemical and petrochemical industries, emphasizing efficiency and sustainability. Chemetics is recognized for its expertise in areas such as process design, equipment fabrication, and project management, catering to a global clientele seeking to enhance their operational capabilities and environmental performance.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#66 in Vancouver

#1,067 in Canada

#42,249 in the World

Vancouver, CA
Vancouver, Canada

Chemetics Inc.

Forward Citations = 13

25 inventors:

goldMedal Rene Dijkstra (3 out of 3 patents)

silverMedal Amit Shah (3 out of 3 patents)

bronzeMedal Thomas S Drackett (3 out of 7 patents)

4.  Graham Lyne (2 out of 2 patents)

5.  Siamak Lashkari (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chemetics Inc.. Retrieved from https://idiyas.com/company/chemetics

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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