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Canadian Fracmaster Ltd.

USPTO Granted Patents = 16

Forward Citations = 481

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24 inventors (with patents filed for the assignee):

Donald A Smith (5 out of 5 patents)

Joseph Mzik (3 out of 4 patents)

Lennard Sihlis (2 out of 2 patents)

4. Robin Tudor (2 out of 2 patents)

5. Leon Keith Jantzen (1 out of 4 patents)

6. John Dyck (1 out of 2 patents)

7. Horst Gotowik (1 out of 3 patents)

8. Ronald G Pierce (1 out of 6 patents)

9. Douglas Costall (1 out of 2 patents)

10. Charles D Costall (1 out of 1 patent)

11. Hans J Brygger (1 out of 1 patent)

12. Ross Pilich (1 out of 1 patent)

13. Jim E Best (1 out of 1 patent)

14. John L Grisdale (1 out of 1 patent)

15. Samuel W Luk (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 5924454 - Isolation tool (1999-07-20),

2. 5894896 - Orienting tool for coiled tubing drilling (1999-04-20),

3. 5884698 - Whipstock assembly (1999-03-23),

4. 5883053 - Nitrogen/carbon dioxide combination fracture treatment (1999-03-16),

5. 5874385 - High viscosity crosslinked gelled alcohol (1999-02-23),

6. 5842530 - Hybrid coiled tubing/conventional drilling unit (1998-12-01),

7. 5558160 - Nitrogen/carbon dioxide combination fracture treatment (1996-09-24),

8. 5515920 - High proppant concentration/high CO.sub.2 ratio fracturing system (1996-05-14),

9. 5462129 - Method and apparatus for erosive stimulation of open hole formations (1995-10-31),

10. 5452923 - Coiled tubing connector (1995-09-26),

11. 5419399 - Hydraulic disconnect (1995-05-30),

12. 5279364 - Guide arch for tubing (1994-01-18),

13. 5269385 - Adjustable bent housing II (1993-12-14),

14. 4701270 - Novel compositions suitable for treating deep wells (1987-10-20),

15. 4567947 - Gellation of pure methyl alcohol (1986-02-04),

Canadian Fracmaster Ltd. is a leading provider of hydraulic fracturing services in Canada. With over 30 years of experience, we specialize in well stimulation and completions for the oil and gas industry. Our dedicated team of professionals and state-of-the-art equipment ensure safe and efficient operations. Contact us for all your hydraulic fracturing needs.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

16 Patents

#105 in

#889 in Canada

#36,652 in the World

Canadian Fracmaster Ltd.

Forward Citations = 481

24 inventors:

Donald A Smith (5 out of 5 patents)

Joseph Mzik (3 out of 4 patents)

Lennard Sihlis (2 out of 2 patents)

4. Robin Tudor (2 out of 2 patents)

5. Leon Keith Jantzen (1 out of 4 patents)

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