Bloomington, MN, United States of America

Loyal V Pittman

This inventor holds 2 USPTO granted patents. Top assignees: Thermo King Corporation, Westinghouse Electric Corporation. Active years: 1980-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Loyal V Pittman. Retrieved from https://idiyas.com/inventor/loyal-v-pittman

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 = 1.3

ph-index = 1

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1980-1991

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2 patents (USPTO):Explore Patents

Title: Loyal V Pittman: Innovator in Transport Refrigeration Systems

Introduction

Loyal V Pittman is a notable inventor based in Bloomington, MN (US). He has made significant contributions to the field of transport refrigeration, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is a transport refrigeration system. This system features an evaporator, an evaporator blower, a variable speed drive for the evaporator blower, a refrigerant compressor, and a prime mover for the compressor. The prime mover includes an internal combustion engine with an output shaft, a pressurized oil lubrication system, and an oil sump. The variable speed drive utilizes a fluid coupling that employs oil from the lubrication system of the internal combustion engine.

Another significant patent is the reversing pump eccentric member for a gerotor pump. This eccentric member consists of a ring with opposed generally planar surfaces. One surface has an arcuate notch that limits the rotation of the member, while the opposite surface features a slightly raised, knurled marginal portion. This design minimizes the surface area in contact with a stationary plate of the pump and includes channels to prevent sticking between lubricated surfaces. This innovation reduces frictional engagement and allows for smoother operation of the pump rotor.

Career Highlights

Loyal V Pittman has worked with prominent companies such as Thermo King Corporation and Westinghouse Electric Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in the refrigeration industry.

Collaborations

He has collaborated with various professionals throughout his career, including his coworker Robert K Havemann. Their joint efforts have likely led to advancements in the technologies they worked on.

Conclusion

Loyal V Pittman is a distinguished inventor whose work in transport refrigeration systems has made a lasting impact. His patents reflect his commitment to innovation and technical excellence in the field.

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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