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For the Inventor, By the Inventor

Rochester, NY, United States of America

William Henry Pettit

This inventor holds 67 USPTO granted patents and 5 published patent applications, primarily in Fuel Cell Technology (CPC class H01M). Top assignees: Gm Global Technolgoy Operations, Inc., Other. Active years: 1994-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William Henry Pettit. Retrieved from https://idiyas.com/inventor/william-henry-pettit

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

USPTO Granted Patents = 67 

% Patents Active = 65.7

Average Co-Inventor Count = 2.5

ph-index = 15

Forward Citations = 796(Granted Patents)

Forward Citations (Not Self Cited) = 759(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal66 out of 31,896 
 
Gm Global Technolgoy Operations, Inc.
 patents
silverMedal1 out of 834,453 
Other
 patents

Years Active: 1994-2024

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Areas of Expertise:
Fuel Cell
Battery Charging
Hydrogen Detection
Water Management
Combustion Process
Mobile Charging
Gas Recirculation
PEM Fuel Cells
Thermal Integration
Humidity Control
Reactor Manufacturing
Fast Charger
67 patents (USPTO):Explore Patents
1. 11938835 - System for charging a battery electric vehicle or a plugin hybrid vehicle using a fuel cell (2024-03-26),
2. 11872909 - Method and apparatus for monitoring a fuel cell (2024-01-16),
3. 11731524 - Mobile direct current fast charger customer-vehicle-station matching system (2023-08-22),
4. 11641128 - Mobile charging stations with fuel-cell generators for electric-drive vehicles (2023-05-02),
5. 11462752 - Mobile fuel cell direct current fast charger and portable power supply thermal integration (2022-10-04),
6. 11152814 - Mobile charging stations with fuel-cell generators for electric-drive vehicles (2021-10-19),
7. 11135931 - System for charging a battery electric vehicle or a plugin hybrid vehicle using a mobile fuel cell (2021-10-05),
8. 8945785 - Adaptive limitation of standby mode to enhance fuel cell system life (2015-02-03),
9. 8877392 - PEM fuel cell stack inlet water regulation system (2014-11-04),
10. 8574776 - Fuel cell system water management strategy for freeze capability (2013-11-05),
11. 8507141 - Membrane permeation adjustment in PEM fuel cell (2013-08-13),
12. 8431285 - Edge design for ePTFE-reinforced membranes for PEM fuel cells (2013-04-30),
13. 8431278 - Passive water drain (2013-04-30),
14. 8374740 - Self-learning satellite navigation assisted hybrid vehicle controls system (2013-02-12),
15. 8257881 - Compliant feed region in stamped metal flowfield of a fuel cell plate to eliminate bias (2012-09-04),

Title: The Legacy of William Henry Pettit

Introduction: William Henry Pettit, a distinguished inventor hailing from Rochester, NY, has made significant contributions to the field of innovations with his groundbreaking ideas and inventions.

Latest Patents: Pettit's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge method for sustainable agriculture practices.

Career Highlights: Throughout his illustrious career, Pettit has been recognized for his innovative spirit and problem-solving abilities. He has received multiple awards for his inventions, showcasing his dedication to creating solutions for pressing global challenges.

Collaborations: Pettit has collaborated with leading research institutions and universities to further develop his inventions. His partnerships have led to the successful implementation of his ideas in real-world applications, benefiting communities worldwide.

Conclusion: William Henry Pettit's passion for innovation and commitment to creating a positive impact through his inventions have solidified his reputation as a pioneering inventor in the field of technology and sustainability.

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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