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For the Inventor, By the Inventor

Calgary, Canada

Calfrac Well Services Ltd.


USPTO Granted Patents = 11

% Expired Patents = 90.9


Trademarks = 11

Forward Citations = 50

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15 inventors (with patents filed for the assignee):

goldMedal Ronald G Pierce (4 out of 6 patents)

silverMedal Dwight Bobier (3 out of 3 patents)

bronzeMedal Timothy Tyler Leshchyshyn (3 out of 3 patents)

4.  Peter William Beaton (3 out of 3 patents)

5.  Thomas Michael Coolen (3 out of 3 patents)

6.  Alan K Olson (3 out of 3 patents)

7.  Junad Amin (3 out of 6 patents)

8.  Travis Lee Allan (3 out of 5 patents)

9.  Mark Andreychuk (1 out of 33 patents)

10.  David Horton (1 out of 12 patents)

11.  Donald Robert Battenfelder (1 out of 1 patent)

12.  Leslie M Wise (1 out of 1 patent)

13.  Brendon Hamilton (1 out of 3 patents)

14.  James Collins (1 out of 1 patent)

15.  Alan L Jones (1 out of 1 patent)


11 patents:

1. 9365764 - Slickwater fracturing fluid (2016-06-14),
2. 8672032 - Split stream oilfield pumping system utilizing recycled, high reid vapor pressure fluid (2014-03-18),
3. 8522875 - Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use (2013-09-03),
4. 8387699 - Green coal bed methane fracturing fluid compositions, methods of preparation and methods of use (2013-03-05),
5. 8211834 - Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use (2012-07-03),
6. 7841397 - Straddle packer and method for using the same in a well bore (2010-11-30),
7. 7810570 - Shock-release fluid fracturing method and apparatus (2010-10-12),
8. 7422061 - Fluid loss additives and methods (2008-09-09),
9. 7399732 - Fracturing fluid containing amphoteric glycinate surfactant (2008-07-15),
10. 6844297 - Fracturing method using aqueous or acid based fluids (2005-01-18),
11. 6838418 - Fracturing fluid (2005-01-04),
Company Overview
Calfrac Well Services Ltd. is a leading provider of specialized oilfield services, primarily focused on hydraulic fracturing, cementing, and coiled tubing services. The company operates in the energy sector, delivering innovative solutions that enhance the efficiency and effectiveness of oil and gas extraction processes. With a strong presence in North America and international markets, Calfrac leverages advanced technologies and expertise to support its clients in optimizing production and managing reservoir performance.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#97 in Calgary

#1,378 in Canada

#51,761 in the World

Calgary, CA
Calgary, Canada

Calfrac Well Services Ltd.

Forward Citations = 50

15 inventors:

goldMedal Ronald G Pierce (4 out of 6 patents)

silverMedal Dwight Bobier (3 out of 3 patents)

bronzeMedal Timothy Tyler Leshchyshyn (3 out of 3 patents)

4.  Peter William Beaton (3 out of 3 patents)

5.  Thomas Michael Coolen (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Calfrac Well Services Ltd.. Retrieved from https://idiyas.com/company/calfrac-well-services

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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