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For the Inventor, By the Inventor

Edmonton, Canada

Stream-Flo Industries Ltd.


USPTO Granted Patents = 42

% Expired Patents = 7.1


Trademarks = 6

Forward Citations = 485

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33 inventors (with patents filed for the assignee):

goldMedal Tony M Lam (20 out of 21 patents)

silverMedal Keith David Farquharson (19 out of 20 patents)

bronzeMedal Tianle Guo (7 out of 7 patents)

4.  Abram Khazanovich (6 out of 6 patents)

5.  Irina Khazanovich (5 out of 5 patents)

6.  Glen Murray Eleniak (4 out of 4 patents)

7.  Heinrich Lang (4 out of 6 patents)

8.  Doyle W Rodgers (4 out of 6 patents)

9.  Nathan Kwasniewski (4 out of 4 patents)

10.  Jerry Wakeford (3 out of 3 patents)

11.  Gregory Wayne Allen (3 out of 4 patents)

12.  Daniel J Riddell (3 out of 3 patents)

13.  Andrew Francis Masson (2 out of 2 patents)

14.  Dean Ashley Beblow (2 out of 2 patents)

15.  Colin David Winzer (2 out of 3 patents)


Core Competencies:
Fracturing Manifold
Blowout Preventer
Wellhead System
Casing Head Connector
Hydraulic Pumping
Electrical Connection
Production Tree
Sealing Device
Locking System
Actuation Device
Gate Valve
Casing Adapter

42 patents:

1. 11879582 - Method and system for fluidly connecting fracturing manifold and fracturing tree (2024-01-23),
2. 11047486 - Expanding gate valve (2021-06-29),
3. 10801294 - Adjustable fracturing manifold module, system and method (2020-10-13),
4. 10731436 - Ball injector for frac tree (2020-08-04),
5. 10161218 - Ball injector for frac tree (2018-12-25),
6. 10161211 - Running tool locking system and method (2018-12-25),
7. 9243469 - Blowout preventer and rams (2016-01-26),
8. 8960276 - Wellhead seal device to seal casing (2015-02-24),
9. 8807516 - Blowout preventer with rope packing seal (2014-08-19),
10. 8783643 - Blowout preventer and rams (2014-07-22),
11. 8602458 - Wellhead pipe coupling (2013-12-10),
12. 8561684 - Down-hole actuation device storage apparatus and method for launching (2013-10-22),
13. 8490706 - Casing head connector (2013-07-23),
14. 8403057 - Wellhead connection (2013-03-26),
15. 8297366 - Installable load shoulder for a wellhead (2012-10-30),
Company Overview
Stream-Flo Industries Ltd., based in Edmonton, Canada, specializes in the development and manufacturing of advanced equipment for the oil and gas industry. The company focuses on critical technologies such as fracturing manifolds, blowout preventers, and wellhead seal devices, ensuring safety and efficiency in well operations. Stream-Flo's expertise extends to hydraulic pumping systems and down-hole actuation devices, positioning it as a key player in enhancing operational reliability and performance in energy extraction processes.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Stream-Flo Industries Ltd. USPTO Patent Assignee Logo
42 Patents

#6 in Edmonton

#330 in Canada

#16,374 in the World

Edmonton, CA
Edmonton, Canada

Stream-Flo Industries Ltd.

Forward Citations = 485

33 inventors:

goldMedal Tony M Lam (20 out of 21 patents)

silverMedal Keith David Farquharson (19 out of 20 patents)

bronzeMedal Tianle Guo (7 out of 7 patents)

4.  Abram Khazanovich (6 out of 6 patents)

5.  Irina Khazanovich (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Stream-Flo Industries Ltd.. Retrieved from https://idiyas.com/company/stream-flo-industries

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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