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For the Inventor, By the Inventor

Concord, Canada

Masonite International Corporation


USPTO Granted Patents = 13

% Expired Patents = 69.2



Trademarks = 53

Forward Citations = 126

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12 inventors (with patents filed for the assignee):

goldMedal Maurice Frankefort (4 out of 7 patents)

silverMedal Alex Charles (4 out of 7 patents)

bronzeMedal Gary Fagan (3 out of 3 patents)

4.  Richard H Kon (3 out of 3 patents)

5.  Kevin W Hall (2 out of 4 patents)

6.  Victor T Massey (2 out of 14 patents)

7.  David Barry Berger (2 out of 2 patents)

8.  Jerry G Crittenden (1 out of 23 patents)

9.  Martin G Ward (1 out of 1 patent)

10.  Neil E Fraser (1 out of 1 patent)

11.  Markus Hindemith (1 out of 1 patent)

12.  Stewart McEachern (1 out of 1 patent)

13.  Bastiaan Jacobus Arnold & Siedsma 'T Jong (0 patent)

14.  Alex Appartment 0/Bond Store Appartments Charles (0 patent)


13 patents:

1. 9193092 - Method and device for the molding of wood fiber board (2015-11-24),
2. 8545210 - Method and device for the molding of wood fiber board (2013-10-01),
3. 8522479 - Door assembly including astragal (2013-09-03),
4. 7905058 - Astragal assembly for use on exterior doors (2011-03-15),
5. 7761997 - Method of forming a composite door structure (2010-07-27),
6. 7644551 - Double skin door apparatus (2010-01-12),
7. 7640964 - Magnetic tilt and raise/lower mechanisms for a venetian blind (2010-01-05),
8. 7632448 - Method and device for the molding of wood fiber board (2009-12-15),
9. 7337824 - Magnetic tilt and raise/lower mechanisms for a venetian blind (2008-03-04),
10. 7337544 - Method of forming a composite door structure (2008-03-04),
11. 7178308 - Composite door structure and method of forming a composite door structure (2007-02-20),
12. 6868644 - Method and device for the molding of wood fiber board (2005-03-22),
13. 6434898 - Flush glazed door (2002-08-20),
Company Overview
Masonite International Corporation is a leading manufacturer of interior and exterior doors, specializing in innovative door solutions for residential and commercial applications. The company focuses on enhancing the aesthetic appeal, security, and energy efficiency of its products through advanced engineering and design. With a commitment to sustainability, Masonite integrates environmentally friendly practices into its manufacturing processes, serving a diverse market across North America and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#10 in Concord

#1,164 in Canada

#45,039 in the World

Concord, CA
Concord, Canada

Masonite International Corporation

Forward Citations = 126

12 inventors:

goldMedal Maurice Frankefort (4 out of 7 patents)

silverMedal Alex Charles (4 out of 7 patents)

bronzeMedal Gary Fagan (3 out of 3 patents)

4.  Richard H Kon (3 out of 3 patents)

5.  Kevin W Hall (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Masonite International Corporation. Retrieved from https://idiyas.com/company/masonite-international

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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