Palos Park, IL, United States of America

Duane B Grahovec

This inventor holds 1 USPTO granted patent. Top assignee: American Lock Company. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Duane B Grahovec. Retrieved from https://idiyas.com/inventor/duane-b-grahovec

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Duane B Grahovec: Innovator in Lock Technology

Introduction

Duane B Grahovec is a notable inventor based in Palos Park, IL (US). He has made significant contributions to the field of lock technology, particularly with his innovative designs that enhance security and usability. His work exemplifies the intersection of practicality and ingenuity in modern inventions.

Latest Patents

Duane holds a patent for a unique product known as the Plastic Lock. This padlock features a U-shaped rigid shackle, a pair of locking balls, a rotatable retainer, and a lock cylinder that is securely held within a two-piece composite plastic lock body. The innovative design allows the two-piece lock body to be ultrasonically welded together, effectively capturing the mechanical components inside. The shackle and other mechanical parts can be made from durable materials such as steel, resulting in a lightweight, inexpensive, yet reliable medium security lock. This lock can serve as a safety lockout device or function as a padlock for medium security applications.

Career Highlights

Duane is currently associated with the American Lock Company, where he continues to develop and refine security solutions. His expertise in lock design has positioned him as a valuable asset in the industry, contributing to advancements in safety and security products.

Collaborations

Duane has worked alongside his coworker, James E Krueger, to further enhance the innovation and effectiveness of their products. Their collaboration reflects a commitment to excellence in the field of lock technology.

Conclusion

Duane B Grahovec's contributions to the invention of the Plastic Lock demonstrate his dedication to improving security solutions. His innovative approach and collaboration with industry professionals continue to influence the field of lock technology.

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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