Huntington Beach, CA, United States of America

Donald L Morrison

This inventor holds 3 USPTO granted patents. Top assignees: The Standard Oil Company, Excel Shutter Systems, Inc.. Active years: 1987-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald L Morrison. Retrieved from https://idiyas.com/inventor/donald-l-morrison-ktlp8qie

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 = 2.3

ph-index = 3

Forward Citations = 57(Granted Patents)


Company Filing History:


Years Active: 1987-1992

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3 patents (USPTO):Explore Patents

Title: The Innovations of Donald L. Morrison: Pioneering Rolling Shutter Technologies

Introduction: Donald L. Morrison, an inventive mind residing in Huntington Beach, California, has made significant contributions to the field of mechanical design through his innovative inventions. With a total of three patents to his name, Morrison has specialized in developing advanced rolling shutter systems that combine functionality with aesthetic appeal.

Latest Patents: Among his notable patents is the revolutionary rolling shutter system that incorporates a variable efficiency bi-directional drive mechanism. This innovative feature allows for easy and rapid raising of the rolling shutter while preventing accidental self-lowering due to gravitational forces. The system is equipped with a user-friendly bead string operator, which is not only comfortable to grip but also visually appealing. Additionally, the bead string mechanism is designed around a sprocket wheel, complemented by an overload slip clutch that safeguards the integrity of the bead string during the operational processes of raising and lowering the shutter. Furthermore, Morrison’s invention includes a novel shutter travel limit and locking device, a distinct valance construction, and a unique through-the-wall shaft assembly that enhances the overall functionality of the shutter system.

Career Highlights: Throughout his career, Donald L. Morrison has been affiliated with prestigious companies such as the Standard Oil Company and Excel Shutter Systems, Inc. His work in these organizations has facilitated the progression of his innovative ideas into practical applications that benefit the industry.

Collaborations: Morrison’s journey in innovation has been enriched by his collaborations with talented professionals like Stephen M. Bartok and Tor H. Petterson. Their combined expertise and shared vision have played a crucial role in the development of Morrison’s cutting-edge products.

Conclusion: Donald L. Morrison stands out as a prominent inventor in the area of rolling shutter technologies. His dedication to enhancing functionality and aesthetics in shutter systems illustrates the impact that innovative thinking can have on everyday products. With three patents to his name, his contributions will undoubtedly inspire future inventions within the industry.

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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