Dayton, OH, United States of America

Warren W Antrim

This inventor holds 2 USPTO granted patents. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1976-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Warren W Antrim. Retrieved from https://idiyas.com/inventor/warren-w-antrim

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 = 1.6

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1976-1978

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2 patents (USPTO):Explore Patents

Title: Warren W. Antrim: Mechanical Engineering Inventions

Introduction

Warren W. Antrim is an inventor associated with Dayton, Ohio, and General Motors Global Technology Operations, Inc. His patent work addresses mechanical components for vehicle clutches and rotary combustion engines. Antrim is credited with 2 patents.

Latest Patents

Antrim’s patents include “Clutch Plate and Damper Assembly,” which describes a clutch assembly with a pressure plate, hub, retainer, and friction facing. Surface features on the hub and retainer work together to provide friction damping and spring force, while their dimensions and shapes control the hub’s movement and resistance. The hub’s splined inner diameter allows it to connect to a drive shaft.

His other patent, “Tube Core Apex Seal for Rotary Combustion Engine,” describes an apex seal with a hollow, thin-walled metal tube embedded in an extruded metal-carbon composite. The tubular core reduces the seal’s weight while retaining flexural strength and wear resistance. The design also provides gas-pressure balance along the seal.

Career Highlights

Antrim’s inventions focus on practical mechanical design, including damping and torque transmission in clutch assemblies and sealing performance in rotary combustion engines. Both patents describe ways to balance durability and function through the structure and materials of their components.

Collaborations

Antrim’s listed company affiliation is General Motors Global Technology Operations, Inc. His named coworkers include Thomas C. Downs and James E. Enghauser.

Conclusion

Warren W. Antrim’s patent record reflects engineering contributions to clutch damping and rotary-engine sealing, with designs aimed at improving component performance and reliability.

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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