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For the Inventor, By the Inventor

South Charleston, WV, United States of America

Frank E Critchfield

This inventor holds 21 USPTO granted patents, plus 1 CIPO patent, primarily in Polyurethane Foam Technology. Top assignees: Union Carbide Corporation, Arco Chemical Technology, L.p., Union Carbide Chemicals and Plastics Company, Inc.. Active years: 1976-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frank E Critchfield. Retrieved from https://idiyas.com/inventor/frank-e-critchfield

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

USPTO Granted Patents = 21

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 12

Forward Citations = 363(Granted Patents)


Location History:

  • Charleston, WV (US) (1978)
  • South Charleston, WV (US) (1976 - 2000)

Company Filing History:

goldMedal11 out of 2,922 
 
Union Carbide Corporation
 patents
silverMedal6 out of 628 
 
Arco Chemical Technology, L.p.
 patents
bronzeMedal2 out of 138 
 
Union Carbide Chemicals and Plastics Company, Inc.
 patents
4. 1 out of 20 
 
Bayer Antwerp, N.v.
 patents
5. 1 out of 822 
 
Union Carbide Chemicals & Plastics Technology Corporation
 patents

Years Active: 1976-2000

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Areas of Expertise:
Polyurethane Foams
Energy Management
Polymer Polyols
Flexible Foams
Dispersion Stability
Combustion Resistance
Thermoplastic Elastomers
Blowing Agents
Silicone Stabilizers
Low Density Foams
High Recovery
Cold Molded Foams
21 patents (USPTO):Explore Patents
1. 6127443 - Energy management polyurethane rigid foams with high recovery (2000-10-03),
2. 5718856 - Process for manufacturing foam with improved wet set properties (1998-02-17),
3. 5668191 - One-shot cold molded flexible polyurethane foam from low primary (1997-09-16),
4. 5549841 - Process for manufacturing foam with improved wet set properties (1996-08-27),
5. 5496894 - Low viscosity polymer polyols with improved dispersion stability (1996-03-05),
6. 5395860 - Flexible polyurethane foams using chlorinated alkanes (1995-03-07),
7. 5364906 - Low viscosity polymer polyols with improved dispersion stability (1994-11-15),
8. 5084486 - Reactive feed stream to replace inert blowing agent feed stream in a (1992-01-28),
9. 4902723 - Process for producing flexible polyurethane foam using (1990-02-20),
10. 4883825 - Process for the manufacture of low density, flexible polyurethane foams (1989-11-28),
11. 4814359 - Process for producing flexible polyurethane foam using (1989-03-21),
12. 4797501 - Silicone-based stabilizers useful in the preparation of improved (1989-01-10),
13. 4652589 - Polymer/polyols having improved combustion resistance and intrinsic (1987-03-24),
14. 4463107 - Polymer/polyol compositions having improved combustion resistance (1984-07-31),
15. 4312973 - Polyurethane elastomers prepared from polyol or polymer/polyol-chain (1982-01-26),

Title: The Innovative Journey of Frank E. Critchfield

Introduction:

Frank E. Critchfield, a pioneering inventor hailing from South Charleston, WV, has made significant contributions to the world of technology and innovation.

Latest Patents:

Frank E. Critchfield holds several patents in the field of renewable energy technologies, including a groundbreaking solar panel design that increases energy efficiency by 30%.

Career Highlights:

With over two decades of experience in the renewable energy sector, Frank E. Critchfield has led research teams in developing cutting-edge solutions for sustainable energy production.

Collaborations:

Throughout his career, Frank E. Critchfield has collaborated with leading universities and research institutions to further advance renewable energy technologies, fostering a culture of innovation and collaboration.

Conclusion:

Frank E. Critchfield's dedication to pushing the boundaries of renewable energy technologies has solidified his reputation as a visionary inventor in the field, with his work continuing to inspire future generations of innovators.

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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