Carol Stream, IL, United States of America

Donald W Fries

This inventor holds 1 USPTO granted patent. Top assignee: Eaton Corporation. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald W Fries. Retrieved from https://idiyas.com/inventor/donald-w-fries

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 = 2.0

ph-index = 1


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Donald W. Fries

Introduction

Donald W. Fries is a notable inventor based in Carol Stream, IL (US). He has made significant contributions to the field of thermodynamics through his innovative designs. His work primarily focuses on the development of fluid bulb-sensing thermostats, which have practical applications in various industries.

Latest Patents

Fries holds a patent for a fluid bulb-sensing type thermostat. This invention features a capillary tube connected to an inlet port of a fluid pressure sensing chamber, which is defined in part by an expansible diaphragm. The diaphragm moves in response to fluid pressure in the chamber from the bulb, actuating a snap-acting switch. The design includes a plate that is cantilevered from the thermostat housing, allowing for an adjustable at-rest position of the plate with respect to the housing. This adjustment is achieved by a cam against which the free end of the plate is biased, enabling precise calibration of the thermostat.

Career Highlights

Donald W. Fries is currently employed at Eaton Corporation, a company known for its innovative solutions in electrical and industrial sectors. His work at Eaton has allowed him to further develop his expertise in thermostat technology and contribute to the company's reputation for quality and innovation.

Collaborations

Fries has collaborated with David W. Troscinski, a fellow inventor and coworker at Eaton Corporation. Their partnership has fostered an environment of creativity and innovation, leading to advancements in their respective fields.

Conclusion

Donald W. Fries exemplifies the spirit of innovation through his contributions to thermostat technology. His patent and work at Eaton Corporation highlight his commitment to advancing engineering solutions. His collaboration with colleagues further enhances the impact of his inventions in 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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