Muncie, IN, United States of America

M Jack Rollins

This inventor holds 1 USPTO granted patent. Top assignee: Maxon Corporation. Active years: 1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: M Jack Rollins. Retrieved from https://idiyas.com/inventor/m-jack-rollins

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 = 7(Granted Patents)


Company Filing History:


Years Active: 1983

Loading Chart...
1 patent (USPTO):Explore Patents

Title: M. Jack Rollins: Inventor of a Ceramic Gate Valve

Introduction

M. Jack Rollins is an inventor associated with Muncie, Indiana, and Maxon Corporation. His recorded patent concerns an improved ceramic gate valve and its components.

Latest Patents

Rollins is credited with 1 patent: “Ceramic Gate Valve and Components Therefor.” The invention describes a ceramic valve gate housed within a valve body and reinforced by a surrounding compression band. A pair of ceramic valve seats engage the gate, while ceramic springs press the seats inward. The springs are formed from ceramic plates and spacers arranged in a staggered pattern.

Career Highlights

Rollins’s patent reflects work on valve design using ceramic components, including a reinforced gate, ceramic seats, and a layered spring arrangement. The supplied information associates him with Maxon Corporation.

Collaborations

Rollins’s listed coworker is William P. Coppin. The available information identifies their professional association but does not specify further details about their collaboration.

Conclusion

M. Jack Rollins’s patented ceramic gate valve combines ceramic components and a compression band in a design intended to support the valve gate and maintain engagement with its seats.

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]
Loading…