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For the Inventor, By the Inventor

CA

Canadian Fracmaster Ltd.

Calculating rank
USPTO Granted Patents = 16

Forward Citations = 484

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24 inventors (with patents filed for the assignee):

goldMedal Donald A Smith (5 out of 5 patents)

silverMedal Joseph Mzik (3 out of 4 patents)

bronzeMedal 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:

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),
Company Overview
Canadian Fracmaster Ltd. specializes in providing advanced hydraulic fracturing solutions for the oil and gas industry. The company focuses on the development and manufacturing of equipment and technologies that enhance the efficiency and effectiveness of fracturing operations. With a commitment to innovation, Canadian Fracmaster Ltd. aims to support energy production while prioritizing safety and environmental considerations. Its expertise is recognized across Canada, contributing to the evolving landscape of energy extraction and resource management.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

16 Patents

#46 in

#933 in Canada

#37,887 in the World

CA
CA

Canadian Fracmaster Ltd.

Forward Citations = 484

24 inventors:

goldMedal Donald A Smith (5 out of 5 patents)

silverMedal Joseph Mzik (3 out of 4 patents)

bronzeMedal Lennard Sihlis (2 out of 2 patents)

4.  Robin Tudor (2 out of 2 patents)

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

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Canadian Fracmaster Ltd.. Retrieved from https://idiyas.com/company/canadian-fracmaster

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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