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For the Inventor, By the Inventor

Downsview, Canada

Tk Canada Limited


USPTO Granted Patents = 28

% Expired Patents = 14.3


Trademarks = 2

Forward Citations = 539

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28 inventors (with patents filed for the assignee):

goldMedal Geoffrey Milligan (8 out of 11 patents)

silverMedal Steve O Verbeek (8 out of 27 patents)

bronzeMedal Carl G Magnusson (6 out of 39 patents)

4.  Stefano Lio (4 out of 5 patents)

5.  John A Hellwig (4 out of 35 patents)

6.  Wolfgang Deisig (3 out of 7 patents)

7.  Christine Dominik (3 out of 5 patents)

8.  Zoran Baic (2 out of 8 patents)

9.  Nicolas Koeppe (2 out of 4 patents)

10.  Paul Crossland (2 out of 4 patents)

11.  Paul Fredrick Kruger (2 out of 12 patents)

12.  Lee David Fletcher (1 out of 3 patents)

13.  Dakota Kasdorf (1 out of 2 patents)

14.  Vladimir Yevko (1 out of 1 patent)

15.  Eugene Eliseev (1 out of 1 patent)


Core Competencies:
Interior Wall System
Support Assembly
Canopy
Ergonomic Chair Backrest
Workstation System
Power Column
Storage Unit
Display Board
Table Leg
Drawer Interlock
Chair Base
Cabinet

28 patents:

1. 7814711 - Interior wall system (2010-10-19),
2. 7694924 - Support assembly for work surface (2010-04-13),
3. D595865 - Canopy (2009-07-07),
4. D586589 - Table (2009-02-17),
5. D579240 - Table (2008-10-28),
6. D572506 - Support structure for a table (2008-07-08),
7. D567551 - Table leg (2008-04-29),
8. D554913 - Support structure for a table (2007-11-13),
9. 7226127 - Ergonomic chair backrest (2007-06-05),
10. D518304 - Chair (2006-04-04),
11. D517345 - Cabinet (2006-03-21),
12. D499585 - Leg for furniture (2004-12-15),
13. 6752459 - Adjustable chair (2004-06-22),
14. 6712433 - Workstation system (2004-03-30),
15. D481558 - Cabinet (2003-11-05),
Company Overview
Tk Canada Limited is a prominent player in the field of advanced technology solutions, specializing in the development and manufacturing of high-performance products for various industries. The company focuses on innovative engineering and design, particularly in sectors such as aerospace, automotive, and industrial applications. With a commitment to quality and precision, Tk Canada Limited leverages cutting-edge research to enhance operational efficiency and drive technological advancements, serving clients primarily in North America and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

28 Patents

#4 in Downsview

#504 in Canada

#23,299 in the World

Downsview, CA
Downsview, Canada

Tk Canada Limited

Forward Citations = 539

28 inventors:

goldMedal Geoffrey Milligan (8 out of 11 patents)

silverMedal Steve O Verbeek (8 out of 27 patents)

bronzeMedal Carl G Magnusson (6 out of 39 patents)

4.  Stefano Lio (4 out of 5 patents)

5.  John A Hellwig (4 out of 35 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tk Canada Limited. Retrieved from https://idiyas.com/company/tk-canada

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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