Agawam, MA, United States of America

Richard J Rackliffe

This inventor holds 2 USPTO granted patents. Top assignee: United Technologies Corporation. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard J Rackliffe. Retrieved from https://idiyas.com/inventor/richard-j-rackliffe

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 = 2.4

ph-index = 2

Forward Citations = 36(Granted Patents)


Company Filing History:


Years Active: 1977

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2 patents (USPTO):Explore Patents

Title: The Innovations of Richard J Rackliffe

Introduction

Richard J Rackliffe is a notable inventor based in Agawam, MA (US). He has made significant contributions to the field of internal combustion engine technology. With a total of two patents to his name, Rackliffe's work focuses on enhancing the measurement of speed in internal combustion engines.

Latest Patents

Rackliffe's latest patents include "Relative and sub-cyclic speed measurements for internal combustion" and "Sub-cyclic measurement of speed of an internal combustion engine." The first patent provides a method for obtaining substantially instantaneous, sub-cyclic speed measurements by utilizing clock counts between the sensing of integral numbers of teeth on the engine's flywheel. This innovation allows for the determination of dynamic, sub-cyclic operating parameters of the engine, such as the relative power contribution of individual cylinders. The second patent derives speed indications from an engine member connected to the crankshaft, enabling speed measurements on a sub-cycle basis. This method involves sensing an integral number of subsequent indicia, which starts and stops an interval counter, providing a measure of speed in revolution per unit of time.

Career Highlights

Rackliffe is associated with United Technologies Corporation, where he has applied his expertise in engine technology. His work has contributed to advancements in the efficiency and performance of internal combustion engines.

Collaborations

Some of his notable coworkers include Lee R Armstrong and Harvey J Goodfriend. Their collaboration has likely fostered an environment of innovation and creativity within their projects.

Conclusion

Richard J Rackliffe's contributions to internal combustion engine technology through his patents demonstrate his commitment to innovation in the field. His work continues to influence advancements in engine performance and efficiency.

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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