St. Charles, MO, United States of America

Donald L Tillotson

This inventor holds 1 USPTO granted patent. Top assignee: Sporlan Valve Company. Active years: 1994.

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

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 = 4.0

ph-index = 1

Forward Citations = 42(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: The Innovations of Donald L. Tillotson

Introduction

Donald L. Tillotson is an accomplished inventor based in St. Charles, MO (US). He is known for his significant contributions to the field of refrigeration technology. With a focus on innovative solutions, Tillotson has developed a unique patent that enhances the efficiency of refrigeration systems.

Latest Patents

One of Tillotson's notable inventions is the "Dual port valve with stepper motor actuator." This refrigeration system expansion valve includes a body with an inlet and an outlet, along with a valve assembly that features a first port communicating with the inlet and a second, larger port communicating with the outlet. The valve assembly incorporates a pin that facilitates the control of refrigerant flow through the valve. A stepper motor attached to the valve body works in conjunction with an actuator assembly to induce longitudinal movement into the pin, thereby regulating the flow of refrigerant.

Career Highlights

Tillotson has made significant strides in his career, particularly through his work at Sporlan Valve Company. His innovative approach to valve design has contributed to advancements in refrigeration technology, making systems more efficient and reliable.

Collaborations

Throughout his career, Tillotson has collaborated with talented individuals such as David C. Dorste and Dennis L. Hoehne. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies in the industry.

Conclusion

Donald L. Tillotson's contributions to the field of refrigeration through his innovative patents and collaborations highlight his role as a key inventor in the industry. His work continues to influence advancements in technology, showcasing the importance of innovation in engineering.

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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