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Calgary, United States of America

Alberta Oil Sands Technology and Research Authority

USPTO Granted Patents = 48

Forward Citations = 1,564

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80 inventors (with patents filed for the assignee):

William Taciuk (8 out of 9 patents)

Conrad Ayasse (3 out of 24 patents)

Tawfik Noaman Nasr (3 out of 4 patents)

4. Gordon Taciuk (3 out of 4 patents)

5. Jaromir Novosad (3 out of 3 patents)

6. Robert A Ritter (3 out of 13 patents)

7. Ezra Eddy Isaacs (2 out of 5 patents)

8. Kenneth E Kisman (2 out of 5 patents)

9. James B Hyne (2 out of 3 patents)

10. Ted Cyr (2 out of 2 patents)

11. Jeffrey K Wan (2 out of 11 patents)

12. Boyd Russell (2 out of 2 patents)

13. Laurier L Schramm (2 out of 3 patents)

14. Karin Mannhardt (2 out of 2 patents)

15. Alexander S McKay (2 out of 3 patents)

Core Competencies:

Steam-Assisted Gravity Drainage

Enhanced Oil Recovery

Hydrocracking Process

Microbial Manipulations

Surfactant-Stabilized Foams

Contaminant Removal

Viscous Heavy Oil

Water Coning Reduction

Catalytic Conversion

Piezometer Actuator

Thermal Cracking

Hydrocarbon Mobility

48 patents: Sort by Forward Citations

1. 6257334 - Steam-assisted gravity drainage heavy oil recovery process (2001-07-10),

2. 6230814 - Process for enhancing hydrocarbon mobility using a steam additive (2001-05-15),

3. 6203765 - Thermal apparatus and process for removing contaminants from oil (2001-03-20),

4. 6186232 - Enhanced oil recovery by altering wettability (2001-02-13),

5. 6143699 - Process for reducing permeability in a subterranean formation (2000-11-07),

6. 6026914 - Wellbore profiling system (2000-02-22),

7. 5957205 - Sand exclusion liner and method of using the same (1999-09-28),

8. 5916432 - Process for dispersing transition metal catalytic particles in heavy oil (1999-06-29),

9. 5899274 - Solvent-assisted method for mobilizing viscous heavy oil (1999-05-04),

10. 5836391 - Wellbore sand control method (1998-11-17),

11. 5719327 - Sand pack holder (1998-02-17),

12. 5607577 - Prevention of sulfur gas emissions from a rotary processor using lime (1997-03-04),

13. 5578197 - Hydrocracking process involving colloidal catalyst formed in situ (1996-11-26),

14. 5413175 - Stabilization and control of hot two phase flow in a well (1995-05-09),

15. 5366596 - Dry thermal processor (1994-11-22),

Alberta Oil Sands Technology and Research Authority (AOSTRA) is a government agency focused on supporting innovation and research in the oil sands industry. AOSTRA funds and conducts research projects, collaborates with industry partners, and promotes technological advancements for sustainable oil sands development.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

48 Patents

#1 in

#7,029 in

#14,129 in the World

Calgary, United States of America

Alberta Oil Sands Technology and Research Authority

Forward Citations = 1,564

80 inventors:

William Taciuk (8 out of 9 patents)

Conrad Ayasse (3 out of 24 patents)

Tawfik Noaman Nasr (3 out of 4 patents)

4. Gordon Taciuk (3 out of 4 patents)

5. Jaromir Novosad (3 out of 3 patents)

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