Montgomery, AL, United States of America

John D Marshall

This inventor holds 3 USPTO granted patents. Top assignees: Schlumberger Industries, Steris Inc., Other. Active years: 1989-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John D Marshall. Retrieved from https://idiyas.com/inventor/john-d-marshall-rr0f7v4j

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 59(Granted Patents)


Company Filing History:


Years Active: 1989-2001

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of John D. Marshall

Introduction

John D. Marshall, an accomplished inventor based in Montgomery, AL, has made significant strides in the fields of medical equipment and mechanical registers. With a total of three patents to his name, his work exemplifies creativity and functionality, offering solutions that enhance medical practices and mechanical displays.

Latest Patents

Marshall's latest patent is a Convertible Surgical Equipment and Appliance Support System, which showcases a sophisticated medical appliance support apparatus. This device consists of a box-shaped hollow main body that is suspended from above by a support system. A key feature is the horizontal support table that extends forward, providing a platform for medical equipment. The apparatus includes multiple gas connections, manual handles, and manually actuatable controls, allowing users to easily adjust height and manage the apparatus. Furthermore, the system is convertible, enabling reconfiguration of size and dimensions through interchangeable face wall members.

Another of Marshall's innovative inventions is the Bi-Directional Snap-Action Register Display Mechanism. This mechanism features a register display wheel and a bi-directional cam that interacts with a helical groove along its shaft. The unique design allows for smooth transitioning and displays new positions effectively, enhancing the usability of odometer-type mechanical registers.

Career Highlights

Throughout his career, John D. Marshall has worked for notable companies, including Schlumberger Industries, where he honed his skills and furthered his expertise in inventing practical solutions. His dedication to improving technology and medical appliances has set him apart as a leading inventor in his field.

Collaborations

Marshall has collaborated with skilled professionals such as Thierry W. Swinson and Richard L. Bennett. These partnerships have enabled the development of innovative products that respond to the needs of their respective industries, thereby pushing the boundaries of technological advancement.

Conclusion

John D. Marshall stands out as a prolific inventor with a firm commitment to innovation. His latest patents demonstrate not only his creative ingenuity but also his desire to improve functional designs within the medical field and mechanical displays. As he continues to innovate, the impact of his contributions is expected to resonate across various industries for years to come.

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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