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For the Inventor, By the Inventor

Ponca City, OK, United States of America

Alfred E Keller

This inventor holds 33 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Sulfur Recovery Process. Top assignees: Conocophillips Company, Conoco Inc., Phillips 66 Company. Active years: 1990-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alfred E Keller. Retrieved from https://idiyas.com/inventor/alfred-e-keller

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

USPTO Granted Patents = 33 

% Patents Active = 84.8


Average Co-Inventor Count = 1.8

ph-index = 10

Forward Citations = 239(Granted Patents)


Location History:

  • Ponca City, OK (US) (1990 - 2011)
  • Ponca City, TX (US) (2011)
  • Katy, TX (US) (2015 - 2017)

Company Filing History:

goldMedal17 out of 991 
 
Conocophillips Company
 patents
silverMedal8 out of 860 
 
Conoco Inc.
 patents
bronzeMedal7 out of 362 
 
Phillips 66 Company
 patents
4. 1 out of 834,513 
Other
 patents

Years Active: 1990-2017

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Areas of Expertise:
Claus Sulfur Recovery
Sulfur Degassing
Catalysts
Hydrocarbon Processing
Synthesis Gas Production
H2 Separation
Alkanolamine
Iron Sulfide Removal
Cationic Exchange Resin
Capacity Increase
Compact Sulfur Recovery
33 patents (USPTO):Explore Patents
1. 9789433 - Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery (2017-10-17),
2. 9758376 - Process for degassing condensed sulfur from a Claus sulfur recovery system (2017-09-12),
3. 9757677 - Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery (2017-09-12),
4. 9573081 - Process for degassing condensed sulfur from a claus sulfur recovery system (2017-02-21),
5. 9205364 - Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery (2015-12-08),
6. 9192887 - Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from claus sulfur recovery (2015-11-24),
7. 9138675 - Process for degassing condensed sulfur from a claus sulfur recovery system (2015-09-22),
8. 8075866 - Sulfur degassing process (2011-12-13),
9. 7998451 - Sulfur degassing process (2011-08-16),
10. 7658906 - Sulfur recovery plant (2010-02-09),
11. 7560088 - Compact sulfur recovery plant and process (2009-07-14),
12. 7550033 - Process for removing sulfides (2009-06-23),
13. 7501111 - Increased capacity sulfur recovery plant and process for recovering elemental sulfur (2009-03-10),
14. 7357908 - [object Object] (2008-04-15),
15. 7326397 - [object Object] (2008-02-05),

Title: The Legacy of Alfred E Keller: Pioneering Inventor from Ponca City

Introduction: Alfred E Keller, a distinguished inventor hailing from Ponca City, Oklahoma, has made significant contributions to the field of innovation with his groundbreaking creations.

Latest Patents: Keller's latest patents include a revolutionary design for a solar-powered irrigation system, a cutting-edge algorithm for autonomous drone navigation, and a unique method for sustainable packaging materials.

Career Highlights: Throughout his illustrious career, Alfred E Keller has been recognized for his exceptional problem-solving skills and innovative thinking. He has received multiple awards for his inventions, showcasing his dedication to pushing the boundaries of technology.

Collaborations: Keller has collaborated with leading research institutions and universities to further develop his inventions. His partnerships with top companies in the industry have led to the successful implementation of his groundbreaking ideas.

Conclusion: Alfred E Keller's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of inventors. His contributions continue to inspire future generations of innovators to think outside the box and create solutions that shape the world we live in.

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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