Tecumseh, MI, United States of America

Douglas A Collings

This inventor holds 5 USPTO granted patents. Top assignee: Tecumseh Products Company. Active years: 2001-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas A Collings. Retrieved from https://idiyas.com/inventor/douglas-a-collings

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


% Patents Active = 40.0

Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 2001-2007

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5 patents (USPTO):Explore Patents

Title: Innovations of Douglas A. Collings

Introduction

Douglas A. Collings is an accomplished inventor based in Tecumseh, MI (US). He has made significant contributions to the field of compressor technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and functionality of vapor compression systems.

Latest Patents

One of his latest patents is for a "Compressor assembly with piston having multiple cross sections." This invention features a piston that includes a first piston portion and a second piston portion, designed to improve the compression of refrigerants within a cylinder block. Another notable patent is the "Expansion device arrangement for vapor compression system." This system incorporates multiple expansion devices arranged in both parallel and series configurations, ensuring optimal performance even in the event of a device failure.

Career Highlights

Douglas A. Collings has dedicated his career to advancing compressor technology. He works at Tecumseh Products Company, where he collaborates with other talented engineers to develop innovative solutions for vapor compression systems. His expertise in this area has led to several patents that enhance the efficiency and reliability of these systems.

Collaborations

Some of his notable coworkers include Nelik I. Dreiman and Michael A. DiFlora. Their collaborative efforts have contributed to the successful development of various technologies in the field.

Conclusion

Douglas A. Collings is a prominent inventor whose work in compressor technology has led to multiple patents and advancements in vapor compression systems. His contributions continue to influence the industry and improve the efficiency of refrigeration technologies.

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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