Guardian Building Products, Inc.

Calculating rank

USPTO Granted Patents = 7

% Expired Patents = 85.7

Trademarks = 3

Forward Citations = 42

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4 inventors (with patents filed for the assignee):

William H Crostic, Jr (4 out of 6 patents)

Gary E Romes (4 out of 22 patents)

Lawrence Zupon (2 out of 4 patents)

4. David W Yarbrough (1 out of 2 patents)

7 patents: Sort by Forward Citations

1. 8399062 - Elastomeric foam product (2013-03-19),

2. 8015769 - Connector for securing metal roofing components, metal roof assembly, and method of installing a metal roof (2011-09-13),

3. 7954282 - Storm shutter assembly clip, and/or storm shutter system and/or assembly method including the same (2011-06-07),

4. D625581 - Holding device for metal banding (2010-10-19),

5. 7748197 - Method and/or system for compensating for effects of heat flow and/or air flow through fiberglass insulation (2010-07-06),

6. 7413340 - Method of insulating a wall cavity (2008-08-19),

7. 7226206 - Dynamic heat flow meter for measuring thermal properties of insulation or the like, and corresponding method (2007-06-05),

Company Overview

Guardian Building Products, Inc. is a leading distributor of exterior building products in North America. With a focus on quality, innovation, and customer service, Guardian offers a wide range of products including roofing, siding, decking, windows, and more. The company is dedicated to providing contractors, builders, and homeowners with the best solutions for their building needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#4 in Greer, SC

#241 in South Carolina

#39,929 in US

Greer, SC, United States of America