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For the Inventor, By the Inventor

Saskatoon, Canada

Flexi-Coil Ltd.


USPTO Granted Patents = 84


Trademarks = 1

Forward Citations = 1,917

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46 inventors (with patents filed for the assignee):

goldMedal David R Hundeby (27 out of 27 patents)

silverMedal Terrance Alan Friggstad (25 out of 73 patents)

bronzeMedal Russell James Memory (14 out of 35 patents)

4.  Dean J Mayerle (13 out of 66 patents)

5.  Robert K Benneweis (6 out of 9 patents)

6.  James Wayne Henry (5 out of 164 patents)

7.  Ronald N Engen (5 out of 5 patents)

8.  Cameron D Bodie (5 out of 5 patents)

9.  Terrence Friggstad (4 out of 4 patents)

10.  Gerry Steven Swab (4 out of 6 patents)

11.  Montgomerie Blair Summach (4 out of 4 patents)

12.  George Neufeld (3 out of 9 patents)

13.  Dennis William Chahley (3 out of 48 patents)

14.  James N Wilson (3 out of 3 patents)

15.  Neil D Klassen (3 out of 3 patents)


Core Competencies:
Tillage Tools
Air Seeders
Hydraulic Systems
Flow Control
Ground Working
Field Sprayers
Draft Cables
Seeding Mechanisms
Cultivator Frames
Transport Locks
Distribution Systems
Planting Implements

84 patents:

1. 6574363 - Method for color detection in video images (2003-06-03),
2. 6561283 - Frame support for tillage implement (2003-05-13),
3. 6550543 - Forward folding tillage implement (2003-04-22),
4. 6522948 - Agricultural product application tracking and control (2003-02-18),
5. 6488461 - Interlocking two-piece washer (2002-12-03),
6. 6405665 - Low disturbance furrowing, seeding, and fertilizing tool (2002-06-18),
7. 6397952 - Breakaway for field marker on agricultural implement (2002-06-04),
8. 6378619 - Agricultural ground working implement with hydraulic downpressure circuit (2002-04-30),
9. 6374923 - Folding frame implement (2002-04-23),
10. 6374922 - Folding frame implement (2002-04-23),
11. 6374921 - Bi-fold implement frame (2002-04-23),
12. 6371216 - Tillage implement with spring pressure weight transfer mechanism (2002-04-16),
13. 6371215 - Locking rockshaft for tillage implements (2002-04-16),
14. 6357368 - Ground working paired row furrow opener (2002-03-19),
15. 6343661 - Suspension system for a work vehicle (2002-02-05),
Flexi-Coil Ltd. is a prominent manufacturer based in Saskatoon, Canada, specializing in agricultural implements designed to enhance farming efficiency. The company focuses on developing advanced tillage tools, air seeders, and hydraulic systems, catering to the diverse needs of modern agriculture. With expertise in flow control, ground working, and seeding mechanisms, Flexi-Coil is committed to delivering innovative solutions that improve crop production and soil management, supporting farmers in achieving optimal yields.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Flexi-Coil Ltd.
84 Patents

#3 in Saskatoon

#147 in Canada

#9,044 in the World

Saskatoon, CA
Saskatoon, Canada

Flexi-Coil Ltd.

Forward Citations = 1,917

46 inventors:

goldMedal David R Hundeby (27 out of 27 patents)

silverMedal Terrance Alan Friggstad (25 out of 73 patents)

bronzeMedal Russell James Memory (14 out of 35 patents)

4.  Dean J Mayerle (13 out of 66 patents)

5.  Robert K Benneweis (6 out of 9 patents)

Please report any incorrect information to [email protected]
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