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For the Inventor, By the Inventor

Newington, CT, United States of America

David N Duhl

This inventor holds 22 USPTO granted patents and 1 EPO patent, primarily in Superalloy Technology. Top assignees: United Technologies Corporation, USA as Represented by Secretary of the Navy. Active years: 1978-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David N Duhl. Retrieved from https://idiyas.com/inventor/david-n-duhl

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

Calculating rank
USPTO Granted Patents = 22

% Patents Active = 100.0


Average Co-Inventor Count = 2.3

ph-index = 14

Forward Citations = 477(Granted Patents)


Company Filing History:

goldMedal21 out of 10,655 
 
United Technologies Corporation
 patents
silverMedal1 out of 16,292 
 
USA as Represented by Secretary of the Navy
 patents

Years Active: 1978-2002

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Areas of Expertise:
Nickel Base Superalloy
Single Crystal
Oxidation Resistance
Heat Treatment
High Strength
Corrosion Resistance
Gas Turbine
Microstructural Stability
Casting Methods
Grain Structure
Anisotropy
Minor Element Additions
22 patents (USPTO):Explore Patents
1. 6355117 - Nickel base superalloy single crystal articles with improved performance in air and hydrogen (2002-03-12),
2. 6054096 - Stable heat treatable nickel superalloy single crystal articles and (2000-04-25),
3. 6007645 - Advanced high strength, highly oxidation resistant single crystal (1999-12-28),
4. 5660649 - Method of making oxidation resistant single crystal superalloy castings (1997-08-26),
5. 5540789 - Oxidation resistant single crystal superalloy castings (1996-07-30),
6. 5346563 - Method for removing sulfur from superalloy articles to improve their (1994-09-13),
7. 5068084 - Columnar grain superalloy articles (1991-11-26),
8. 4915907 - Single crystal articles having reduced anisotropy (1990-04-10),
9. 4908183 - High strength single crystal superalloys (1990-03-13),
10. 4888069 - Nickel base superalloys having low chromium and cobalt contents (1989-12-19),
11. 4801513 - Minor element additions to single crystals for improved oxidation (1989-01-31),
12. 4719080 - Advanced high strength single crystal superalloy compositions (1988-01-12),
13. 4597809 - High strength hot corrosion resistant single crystals containing (1986-07-01),
14. 4569824 - Corrosion resistant nickel base superalloys containing manganese (1986-02-11),
15. 4512817 - Method for producing corrosion resistant high strength superalloy (1985-04-23),

Title: The Inventor Profile of David N Duhl

Introduction: David N Duhl is a renowned inventor based in Newington, CT (US) known for his groundbreaking contributions to various industries.

Latest Patents: David N Duhl holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of innovative ideas.

Career Highlights: With a career spanning over two decades, David N Duhl has established himself as a prolific inventor with a keen eye for identifying gaps in the market and developing unique solutions to address them.

Collaborations: Throughout his career, David N Duhl has collaborated with leading companies, research institutions, and universities to bring his inventions to life, demonstrating his ability to work effectively in multidisciplinary teams.

Conclusion: David N Duhl's passion for innovation and his relentless drive to push the boundaries of what is possible make him a standout figure in the world of inventors.

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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