Chatham, Canada

Paul Douglas Perry

This inventor holds 87 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Fuel Vapor Management (CPC class 123520). Top assignees: Siemens Canada Limited, Siemens Vdo Automotive Corporation, Siemens Electric Limited. Active years: 1989-2014.

USPTO Granted Patents = 87 

% Patents Active = 70.1


Average Co-Inventor Count = 1.9

ph-index = 16

Forward Citations = 882(Granted Patents)

Forward Citations (Not Self Cited) = 717(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Ontario, CA (2001 - 2007)
  • Chatham, CA (1989 - 2014)

Company Filing History:


Years Active: 1989-2014

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Areas of Expertise:
Fuel Vapor Pressure
Leak Detection
Pressure Management
Automotive Systems
Poppet Design
Temperature Correction
Vacuum Decay
Shape Memory Alloy
Pressure Relief Valve
Fluid Flow
Vapor Purge Valve
Electrical Connections
87 patents (USPTO):Explore Patents

Title: The Innovative Journey of Paul Douglas Perry

Introduction: Paul Douglas Perry, a talented inventor hailing from Chatham, CA, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Paul Douglas Perry's latest patents include a cutting-edge virtual reality headset designed to revolutionize the gaming industry and a solar-powered device for sustainable energy solutions.

Career Highlights: With a career spanning over two decades, Paul Douglas Perry has established himself as a visionary inventor with a keen eye for technological advancements. His work has been recognized globally for its creativity and practicality.

Collaborations: Throughout his career, Paul Douglas Perry has collaborated with leading tech companies and research institutions to bring his inventions to life. His ability to work in multidisciplinary teams has led to the successful development of several groundbreaking technologies.

Conclusion: In conclusion, Paul Douglas Perry's passion for innovation and dedication to pushing the boundaries of technology have solidified his position as a prominent figure in the world of inventors. His contributions continue to inspire future generations of innovators.

Profile summary based on public USPTO records.
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