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For the Inventor, By the Inventor

Gastonia, NC, United States of America

Philip A Desmarais

This inventor holds 3 USPTO granted patents. Top assignees: Easco Hand Tools, Inc., Hand Tool Design Corporation. Active years: 1989-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Philip A Desmarais. Retrieved from https://idiyas.com/inventor/philip-a-desmarais

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

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 152(Granted Patents)


Company Filing History:

goldMedal2 out of 75 
 
Easco Hand Tools, Inc.
 patents
silverMedal1 out of 50 
 
Hand Tool Design Corporation
 patents

Years Active: 1989-1998

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3 patents (USPTO):Explore Patents
1. 5766081 - Modified ear design to avoid lock up of universal joint (1998-06-16),
2. 4969231 - Hand tool handle having end cap with indicia (1990-11-13),
3. 4800786 - Elastomeric sleeve for wrench socket and method of manufacture thereof (1989-01-31),

Title: The Innovations of Philip A Desmarais

Introduction

Philip A Desmarais is an accomplished inventor based in Gastonia, NC (US). He has made significant contributions to the field of hand tools, holding a total of 3 patents. His innovative designs focus on enhancing functionality and user experience.

Latest Patents

One of his latest patents is for a modified ear design to avoid lock-up of universal joints. This invention features a universal joint with pivotal movement of each member less than 45 degrees. The sides of the ears of each member are tapered to a predetermined angle, ensuring optimal performance. Another notable patent is for a hand tool handle with an end cap that includes indicia. This handle is designed with a substantially polygonally shaped cross-section to prevent rolling. It also features an elastomeric sleeve with ribs for improved grip, even in greasy conditions.

Career Highlights

Throughout his career, Philip has worked with several companies, including Easco Hand Tools, Inc. and Hand Tool Design Corporation. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative tools.

Collaborations

Philip has collaborated with notable individuals in the industry, including William G Mader and James A Van Lenten. These partnerships have further enriched his work and expanded his impact on tool design.

Conclusion

Philip A Desmarais is a notable inventor whose work has significantly influenced the hand tool industry. His innovative patents and collaborations demonstrate his commitment to enhancing user experience and functionality in tool design.

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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