Waco, TX, United States of America

Duane M Sulak

This inventor holds 5 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 2 EPO patents. Top assignee: Spenco Medical Corporation. Active years: 2004-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Duane M Sulak. Retrieved from https://idiyas.com/inventor/duane-m-sulak

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5 

% Patents Active = 60.0


 

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 263(Granted Patents)


Company Filing History:


Years Active: 2004-2014

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5 patents (USPTO):Explore Patents

Title: Duane M Sulak: Innovator in Footwear Technology

Introduction

Duane M Sulak is a notable inventor based in Waco, TX, who has made significant contributions to the field of footwear technology. With a total of 5 patents to his name, Sulak has focused on developing innovative insoles that cater to various needs, particularly for individuals with specific health conditions.

Latest Patents

Among his latest inventions is the "Triple Density Gel Insole." This insole features at least two coextensive layers of different densities, including a first top cloth layer, a second gel layer, and a third density layer that comprises a stability cradle. This cradle extends from the arch area to the heel area, providing support and comfort. It also defines gaps that expose the gel layer, allowing for enhanced cushioning with a heel cushion and an integrally formed metatarsal arch support.

Another significant patent is the "Arthritis and Diabetes Insole," designed specifically for patients suffering from arthritis or diabetes. This insole comprises three layers and is shaped to provide arch support and a heel-receiving area. The bottom layer is made from EVA foam and features indentations for insert layers, while the middle layer is crafted from synthetic rubber. The top layer is selected based on the intended use, ensuring comfort for the wearer.

Career Highlights

Throughout his career, Duane M Sulak has worked with reputable companies such as Spenco Medical Corporation and Implus Footcare, LLC. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative footwear solutions.

Collaborations

Sulak has collaborated with talented individuals in the industry, including David B Granger and Jacob Anthony Martinez. These partnerships have further enhanced his ability to create effective and beneficial products for consumers.

Conclusion

Duane M Sulak's contributions to footwear technology, particularly through his innovative insoles, demonstrate his commitment to improving the quality of life for individuals with specific health needs. His work continues to influence the industry and inspire future innovations.

Profile summary based on public USPTO records.
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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