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Mississauga, Canada

Hatch Ltd.

USPTO Granted Patents = 73

CIPO Patents = 34

EPO Patents = 27

Trademarks = 17

Forward Citations = 208

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130 inventors (with patents filed for the assignee):

Maciej Urban Jastrzebski (8 out of 8 patents)

Bert O Wasmund (8 out of 9 patents)

Afshin Sadri (7 out of 8 patents)

4. Kevin S Fraser (7 out of 7 patents)

5. Terry Gerritsen (6 out of 6 patents)

6. Robert J Veenstra (6 out of 8 patents)

7. Sean Southall (6 out of 6 patents)

8. Murray Scott Pearson (6 out of 6 patents)

9. Robert John Fraser (5 out of 6 patents)

10. John Andrew Ferguson Shaw (5 out of 5 patents)

11. Nils W Voermann (5 out of 6 patents)

12. Michael Morgan Campbell (4 out of 4 patents)

13. Evangelos Stamatiou (4 out of 4 patents)

14. Kamal Adham (4 out of 4 patents)

15. Felim Patrick McCaffrey (4 out of 15 patents)

Core Competencies:

Metal Coating

Crystallization Process

Leakage Current Detection

Ferronickel Alloy Refining

Electric Arc Furnace Control

Magnetic Energy Harvesting

Electrolytic Cells

Metallurgical Furnace Cooling

Metal Recovery from Slag

Micro-Grid Management

Reactor Temperature Control

Sulfur Removal from Gas

73 patents: Sort by Forward Citations

1. 12522510 - Sodium sulfate by-product processing in lithium and battery chemical production (2026-01-13),

2. 12442065 - System and method for coating of continuous sheets of metal (2025-10-14),

3. 12441621 - Treatment process for crystallizing a metal sulfate (2025-10-14),

4. 12145636 - Device, system and method for detecting leakage current for traction power system (2024-11-19),

5. 12054401 - Process and method for producing crystallized metal sulfates (2024-08-06),

6. 11873539 - Ferronickel alloy direct refining processes and processes for producing nickle sulfate or other nickel products (2024-01-16),

7. 11384986 - Open arc condition mitigation based on measurement (2022-07-12),

8. 11146067 - Line control circuit configuration (2021-10-12),

9. 11122654 - Flicker control for electric arc furnace (2021-09-14),

10. 11029092 - Magnetic energy harvesting device and method for electric metallurgical furnaces and similar environments (2021-06-08),

11. 11021942 - Methods of managing solvent inventory in a gravity drainage extraction chamber (2021-06-01),

12. 10995014 - Process for producing crystallized metal sulfates (2021-05-04),

13. 10889906 - Low-profile aluminum cell potshell and method for increasing the production capacity of an aluminum cell potline (2021-01-12),

14. 10855040 - Flexible electrical connectors for electrolytic cells (2020-12-01),

15. 10705196 - Method and apparatus for measuring the length of an electrode in an electric arc furnace (2020-07-07),

Hatch Ltd. is an engineering organization providing consulting, project management, and operational support services to various industries. With expertise in engineering design, construction, and operation, Hatch delivers innovative solutions that optimize performance and efficiency. Headquartered in Canada, Hatch has been serving clients globally for over 60 years and has established a reputation for excellence in delivering sustainable and value-driven projects.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

73 Patents

#7 in Mississauga

#159 in Canada

#9,965 in the World

Mississauga, Canada

Hatch Ltd.

Forward Citations = 208

130 inventors:

Maciej Urban Jastrzebski (8 out of 8 patents)

Bert O Wasmund (8 out of 9 patents)

Afshin Sadri (7 out of 8 patents)

4. Kevin S Fraser (7 out of 7 patents)

5. Terry Gerritsen (6 out of 6 patents)

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