% Expired Patents = 20.0

CIPO Patents = 1

Forward Citations = 47

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12 inventors (with patents filed for the assignee):

Trevor Michael Greer (2 out of 2 patents)

David Alexander Shaw (2 out of 2 patents)

Mark Charles Engelland (1 out of 1 patent)

4. Carlito Rolland deSouza (1 out of 1 patent)

5. Charles O'Donnell (1 out of 2 patents)

6. Zhimin Yu (1 out of 2 patents)

7. James B Hyne (1 out of 3 patents)

8. Mark Ernest Grist (1 out of 1 patent)

9. Donald Valentine Joseph Lomenda (1 out of 1 patent)

10. Patrick Mitchell Howard Lumley (1 out of 1 patent)

11. Paul Roy Larson (1 out of 1 patent)

12. Ioana Todea (1 out of 1 patent)

13. Charles Leo O'donnell (0 patent)

14. Donald Valentine Lomenda (0 patent)

15. Patrick Mitchell Lumley (0 patent)

5 patents: Sort by Forward Citations

1. 12350642 - Single pass header for generating sulfur seed particles and enlarging sulfur granules, and method of using the same (2025-07-08),

2. 11148688 - Unattended railcar motion control system (2021-10-19),

3. 11137348 - Method and apparatus for sulfur fire-watch and detection (2021-10-05),

4. 6749659 - Controlled release rate fertilizers and methods of making same (2004-06-15),

5. 6716015 - Distribution system for a pastillation machine (2004-04-06),

Company Overview

Enersul is a leading provider of sulphur processing and handling solutions for the oil and gas industry. With over 40 years of experience, Enersul offers a wide range of products and services, including sulphur forming and handling equipment, sulphur solidification technology, and sulphur processing consultancy services. Enersul's innovative solutions help customers optimize their sulphur production processes and maximize their operational efficiencies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#205 in Calgary

#2,851 in Canada

Calgary, Canada

Enersul Inc.

Forward Citations = 47

12 inventors:

Trevor Michael Greer (2 out of 2 patents)

David Alexander Shaw (2 out of 2 patents)

Mark Charles Engelland (1 out of 1 patent)

4. Carlito Rolland deSouza (1 out of 1 patent)

5. Charles O'Donnell (1 out of 2 patents)

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

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]

1 patent (CIPO):

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]