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For the Inventor, By the Inventor

Hatfield, PA, United States of America

K'nex Limited Partnership Group


USPTO Granted Patents = 45

% Expired Patents = 6.7


Trademarks = 9

Forward Citations = 517

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10 inventors (with patents filed for the assignee):

goldMedal Joel I Glickman (32 out of 89 patents)

silverMedal Matthias F W Doepner (24 out of 30 patents)

bronzeMedal Heather Croston (6 out of 7 patents)

4.  Michael Klitsch (5 out of 5 patents)

5.  Mark McCormick (4 out of 4 patents)

6.  Cory Mindler (3 out of 3 patents)

7.  LaVonne E Strand (3 out of 11 patents)

8.  Eric Hammond (2 out of 2 patents)

9.  Joseph Jay Smith (2 out of 5 patents)

10.  Kyle Philip Hussa-Lietz (1 out of 1 patent)


Core Competencies:
Positioning Mechanism
Construction Toy
Race Track System
Building Block
Toy Weapon
Hinged Connector
Transitional Section
Offset Matrix Adapter
Curved Race Track
Multi-Part Construction
Toy Vehicle
Action Figure

45 patents:

1. 9649572 - Positioning mechanism for construction toy (2017-05-16),
2. D760330 - Lower body of action figure with skirt (2016-06-28),
3. D760329 - Upper body of action figure (2016-06-28),
4. D760328 - Lower body of action figure with pants (2016-06-28),
5. D752157 - Toy weapon (2016-03-22),
6. D712488 - Positioning element for construction toy (2014-09-02),
7. D712487 - Positioning element for construction toy (2014-09-02),
8. 8597069 - Toy race track system (2013-12-03),
9. D689559 - Building block for construction toy set (2013-09-10),
10. D660382 - Transitional race track section for toy vehicles (2012-05-22),
11. D660381 - Two-lane curved race track section for toy vehicles (2012-05-22),
12. D660380 - Curved race track section for toy vehicles (2012-05-22),
13. D660379 - Two-lane race track section for toy vehicles (2012-05-22),
14. D659201 - Race track section for toy vehicles (2012-05-08),
15. 7666054 - Offset matrix adapter for toy construction sets (2010-02-23),
Company Overview
K'nex Limited Partnership Group, based in Hatfield, PA, specializes in the design and manufacture of innovative construction toys that encourage creativity and engineering skills in children. The company is known for its diverse product range, including action figures, toy weapons, race track systems, and building blocks. K'nex focuses on developing unique construction methodologies, such as hinged connectors and transitional sections, which enhance the play experience and promote multi-part construction, fostering imaginative play and learning.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

45 Patents

#3 in Hatfield, PA

#289 in Pennsylvania

#7,787 in US

#15,450 in the World

Hatfield, PA (US)
Hatfield, PA, United States of America

K'nex Limited Partnership Group

Forward Citations = 517

10 inventors:

goldMedal Joel I Glickman (32 out of 89 patents)

silverMedal Matthias F W Doepner (24 out of 30 patents)

bronzeMedal Heather Croston (6 out of 7 patents)

4.  Michael Klitsch (5 out of 5 patents)

5.  Mark McCormick (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: K'nex Limited Partnership Group. Retrieved from https://idiyas.com/company/k-nex-partnership-group

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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