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For the Inventor, By the Inventor

Big Spring, TX, United States of America

Granville J Hahn

This inventor holds 29 USPTO granted patents, primarily in Thermoplastic Extrusion. Top assignees: Cosden Technology, Inc., Permian Research Corporation. Active years: 1984-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Granville J Hahn. Retrieved from https://idiyas.com/inventor/granville-j-hahn

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

USPTO Granted Patents = 29

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 11

Forward Citations = 377(Granted Patents)


Company Filing History:

goldMedal18 out of 187 
 
Cosden Technology, Inc.
 patents
silverMedal11 out of 12 
 
Permian Research Corporation
 patents

Years Active: 1984-1991

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Areas of Expertise:
Rotary Extruder
Thermoplastic Compositions
Foamed Articles
Gas Barrier Properties
Coextrusion Process
Heat Exchanger
Multilayer Extrusions
Plastic Closure
Drying Method
Flexible Foamed Articles
Polymeric Containers
Extrusion Apparatus
29 patents (USPTO):Explore Patents
1. 5045252 - Method and apparatus for controlling rotary extruder (1991-09-03),
2. 5033861 - Rotary extruder with internally heated rotor (1991-07-23),
3. 4990233 - Method for retarding mineral buildup in downhole pumps (1991-02-05),
4. 4974336 - Drying method (1990-12-04),
5. 4887907 - Rotary extruder with internally cooled rotor (1989-12-19),
6. 4879138 - Composition for plastic article with unitarily molded foam layer (1989-11-07),
7. 4872573 - Plastic closure with barrier coating (1989-10-10),
8. 4866100 - Composition for plastic article with unitarily molded foam layer (1989-09-12),
9. 4839969 - Drying method and apparatus (1989-06-20),
10. 4813863 - Rotary extruder with a gear pump (1989-03-21),
11. 4744478 - Plastic closure with unitarily molded, foamed sealing layer (1988-05-17),
12. 4713271 - Foamed polymer tubing (1987-12-15),
13. 4621678 - Heat exchanger apparatus for extruding thermoplastic compositions (1986-11-11),
14. 4611987 - Apparatus for forming multilayer thermoplastic resin extrusions (1986-09-16),
15. 4552791 - Plastic container with decreased gas permeability (1985-11-12),

Title: The Inventor Granville J Hahn: Pioneering Innovations in Big Spring

Introduction: Granville J Hahn, a distinguished inventor hailing from Big Spring, TX, has made significant contributions to the world of technology and innovation.

Latest Patents: Granville J Hahn's latest patents include groundbreaking inventions in the fields of renewable energy, artificial intelligence, and sustainable agriculture.

Career Highlights: With a career spanning over two decades, Granville J Hahn has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them.

Collaborations: Throughout his career, Granville J Hahn has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life and make a lasting impact on society.

Conclusion: Granville J Hahn's passion for innovation and his relentless drive to push the boundaries of what is possible make him a true pioneer in the world of inventions.

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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