Longueuil, Canada

David Gagnon-Martin

This inventor holds 33 USPTO granted patents and 5 published patent applications, plus 25 CIPO patents and 14 EPO patents, primarily in Rotary Engine Technology. Top assignee: Pratt-Whitney Canada Corp. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Gagnon-Martin. Retrieved from https://idiyas.com/inventor/david-gagnon-martin

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

USPTO Granted Patents = 33 

% Patents Active = 100.0

 

 

Average Co-Inventor Count = 4.2

ph-index = 7

Forward Citations = 103(Granted Patents)


Location History:

  • Longueull, CA (2019)
  • Longueuil, CA (2013 - 2024)

Company Filing History:


Years Active: 2013-2025

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Areas of Expertise:
Rotary Engine
Apex Seals
Lubrication Control
Seal Assembly
Housing Design
Wankel Engine
Torque Roll Isolation
Engine Intake
Static Oil Seal
Gas Seal Arrangement
Floating Side Plates
33 patents (USPTO):Explore Patents

Title: The Innovative Mind of David Gagnon-Martin

Introduction: David Gagnon-Martin, a prominent inventor based in Longueuil, Canada, has made significant contributions to the field of internal combustion engine technology. With an impressive portfolio of 31 patents, he has established himself as a key figure in innovative engineering.

Latest Patents: Among his latest inventions are two noteworthy patents focusing on rotary engine technology. The first, titled "Rotary Engine Shim Design for Floating Side Plates," describes a design that includes a rotor housing with a peripheral wall surrounding a rotor cavity, where a shim is employed to maintain spacing between the plate and the side housing. The second patent, "Seal Assembly for a Rotary Engine Housing," details an engine housing with a rotor housing body and side housing assembly. This invention improves the sealing mechanism in rotary engines, enhancing their efficiency and reliability.

Career Highlights: David is currently employed at Pratt & Whitney Canada Corporation, a leading company in aerospace technology, where he applies his innovative skills to develop advanced engine systems. His expertise in rotary engine design positions him at the forefront of engineering solutions in the aviation sector.

Collaborations: Throughout his career, David has had the opportunity to collaborate with talented colleagues such as Jean Thomassin and Bruno Villeneuve. These partnerships have fostered a creative environment where groundbreaking ideas can flourish and evolve into patented technologies.

Conclusion: David Gagnon-Martin's contributions to rotary engine technology are a testament to his dedication and ingenuity as an inventor. With his extensive patent portfolio and collaborative spirit, he continues to push the boundaries of innovation, contributing significantly to the advancement of engineering practices in the aerospace industry.

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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