% Expired Patents = 10.0

Trademarks = 55

Forward Citations = 77

Loading Chart...

8 inventors (with patents filed for the assignee):

Michael L Yap (7 out of 7 patents)

Barton J Malina (7 out of 7 patents)

Raymond T Hyer (7 out of 8 patents)

4. Donald Portfolio (1 out of 1 patent)

5. Raymont T Hyer (1 out of 1 patent)

6. Kenneth Francis Grzybowski (1 out of 9 patents)

7. Brian J Anthony (1 out of 1 patent)

8. Robert M Hyer (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 9273228 - Roof coating composition (2016-03-01),

2. 6793726 - Aqueous suspensions with bentonite for mastics and sealants (2004-09-21),

3. 6786962 - Emulsion of a colloidal clay and water slurry in a bitumen cutback (2004-09-07),

4. 6776833 - Emulsion of bitumen in a colloidal clay and water slurry (2004-08-17),

5. 6616743 - Aqueous emulsions, with bentonite for cold application bitumen (2003-09-09),

6. D424272 - Combined container and non-adhesive tubular label (2000-05-02),

7. 6037398 - SBR-SBS modified asphalt roofing compositions especially adapted for (2000-03-14),

8. 6019830 - Cold application, fly ash aqueous colloidal dispersion driveway sealers (2000-02-01),

9. 5573586 - Asbestos-free, asphalt roofing compositions especially adapted for cold (1996-11-12),

10. 5004772 - Asphalt roofing compositions especially adapted for cold applications (1991-04-02),

Company Overview

Gardner Asphalt Corporation is a prominent player in the asphalt manufacturing industry, specializing in the production of high-quality asphalt products for various applications. Based in Tampa, Florida, the company focuses on providing innovative solutions for road construction and maintenance, ensuring durability and performance in its offerings. With a commitment to sustainability, Gardner Asphalt integrates environmentally friendly practices into its operations, contributing to the development of infrastructure that meets modern standards and community needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#51 in Tampa, FL

#877 in Florida

#29,866 in US

#56,047 in the World

Tampa, FL, United States of America

Gardner Asphalt Corporation

Forward Citations = 77

8 inventors:

Michael L Yap (7 out of 7 patents)

Barton J Malina (7 out of 7 patents)

Raymond T Hyer (7 out of 8 patents)

4. Donald Portfolio (1 out of 1 patent)

5. Raymont T Hyer (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gardner Asphalt Corporation. Retrieved from https://idiyas.com/company/gardner-asphalt

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]