Washington, IL, United States of America

Sidney J Audiffred

This inventor holds 4 USPTO granted patents. Top assignee: Caterpillar Tractor Co.. Active years: 1976-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sidney J Audiffred. Retrieved from https://idiyas.com/inventor/sidney-j-audiffred

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 = 2.6

ph-index = 3

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1976-1981

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4 patents (USPTO):Explore Patents

Title: Sidney J Audiffred: Innovator in Vehicle Control Systems

Introduction

Sidney J Audiffred is a notable inventor based in Washington, IL (US). He has made significant contributions to the field of vehicle control systems, holding a total of 4 patents. His work focuses on enhancing the safety and efficiency of vehicle transmissions.

Latest Patents

Audiffred's latest patents include a control system designed to apply vehicle brakes during a transmission directional shift. This hydraulic control system ensures that the brakes are automatically applied during a shifting period when the transmission is at a predetermined minimum speed. Another important patent is a modulating relief valve with hydraulic safety. This safety valve features a movable piston that prevents the actuation of fluid-operated drive conditioning clutches of a vehicle transmission unless the selector valve means have passed through a neutral position.

Career Highlights

Audiffred has spent a significant part of his career at Caterpillar Tractor Co., where he has been able to apply his innovative ideas to real-world applications. His work has contributed to advancements in vehicle safety and performance.

Collaborations

Throughout his career, Audiffred has collaborated with talented individuals such as Shairyl I Pearce and Howard C Steury. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.

Conclusion

Sidney J Audiffred's contributions to vehicle control systems exemplify the impact of innovation in the automotive industry. His patents reflect a commitment to safety and efficiency, making him a significant figure in his 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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