St. Louis, MO, United States of America

Leonard J Hartmann

This inventor holds 3 USPTO granted patents, plus 1 CIPO patent. Top assignees: Dynaquip Controls Corporation, Dyna Controls Corporation. Active years: 1990-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leonard J Hartmann. Retrieved from https://idiyas.com/inventor/leonard-j-hartmann

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 = 2.6

ph-index = 3

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 1990-1997

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3 patents (USPTO):Explore Patents

Title: Leonard J Hartmann: Innovator in Fluid Coupling Technology

Introduction

Leonard J Hartmann is a notable inventor based in St. Louis, MO. He has made significant contributions to the field of fluid coupling technology, holding a total of 3 patents. His innovative designs have improved the functionality and usability of various pneumatic tools and connections.

Latest Patents

Hartmann's latest patents include a swivel connection and a quick-connect-disconnect non-mar coupling. The swivel connection features a metallic design that allows for universal movement between a hose line connection and a pneumatic tool. It includes protective covers made of non-mar plastic material to safeguard finished surfaces during use. The quick-connect-disconnect coupling is designed with a metallic tubular body that facilitates fluid flow and prevents marking of surfaces, thanks to its outer cover of non-mar plastic material.

Career Highlights

Throughout his career, Hartmann has worked with reputable companies such as Dynaquip Controls Corporation and Dyna Controls Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions in fluid coupling technology.

Collaborations

Hartmann has collaborated with talented individuals in his field, including Michael J Purvis and Gerald L Rogers. These partnerships have likely fostered creativity and innovation in his projects.

Conclusion

Leonard J Hartmann's contributions to fluid coupling technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of practical engineering solutions that enhance the functionality of pneumatic tools.

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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