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For the Inventor, By the Inventor

Isle La Motte, VT, United States of America

Richard Alan Callahan

This inventor holds 14 USPTO granted patents and 3 published patent applications. Top assignees: Enerfex, Inc., As Innovations LLC, Zero Odor Co., LLC. Active years: 1993-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard Alan Callahan. Retrieved from https://idiyas.com/inventor/richard-alan-callahan

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

USPTO Granted Patents = 14 

% Patents Active = 85.7

Average Co-Inventor Count = 1.2

ph-index = 6

Forward Citations = 173(Granted Patents)


Location History:

  • Waitsfield, VT (US) (1993)
  • Winooski, VT (US) (1997)
  • Burlington, VT (US) (1996 - 1999)
  • Isle La Motte, VT (US) (2000 - 2024)

Company Filing History:

goldMedal6 out of 6 
 
Enerfex, Inc.
 patents
silverMedal2 out of 2 
 
As Innovations LLC
 patents
bronzeMedal2 out of 2 
 
Zero Odor Co., LLC
 patents
4. 2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2024

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14 patents (USPTO):Explore Patents
1. 11994063 - Turbine powered electricity generation (2024-05-28),
2. 11808206 - Tail gas recycle combined cycle power plant (2023-11-07),
3. 11149636 - Turbine powered electricity generation (2021-10-19),
4. 11149634 - Turbine powered electricity generation (2021-10-19),
5. 10377970 - Laundry additive and drum treatment (2019-08-13),
6. 10041022 - Laundry additive and drum treatment (2018-08-07),
7. 9556404 - Laundry additive and drum treatment (2017-01-31),
8. 9353333 - Laundry additive and drum treatment (2016-05-31),
9. 6953492 - Membrane technology to reduce nitrogen in natural gas (2005-10-11),
10. 6128916 - Membrane technology to remove non-condensable gases from refrigeration (2000-10-10),
11. 5873928 - Multiple stage semi-permeable membrane process and apparatus for gas (1999-02-23),
12. 5693121 - Semi-permeable membrane separation process for the production of very (1997-12-02),
13. 5482539 - Multiple stage semi-permeable membrane process and apparatus for gas (1996-01-09),
14. 5233837 - Process and apparatus for producing liquid carbon dioxide (1993-08-10),

Title: Richard Alan Callahan: Pioneering Inventor from Isle La Motte

Introduction: Richard Alan Callahan is a distinguished inventor hailing from Isle La Motte, Vermont. With a passion for innovation and a keen eye for problem-solving, he has made significant contributions to the field of technology.

Latest Patents: Richard Alan Callahan holds several patents in various technological domains, showcasing his versatility and creativity in inventing new solutions to complex challenges.

Career Highlights: Throughout his career, Richard Alan Callahan has been recognized for his groundbreaking inventions that have had a lasting impact on the industry. His dedication to pushing the boundaries of technology has led to the development of cutting-edge products that have improved the lives of many.

Collaborations: Richard Alan Callahan has collaborated with leading tech companies and research institutions to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many projects.

Conclusion: In conclusion, Richard Alan Callahan stands as a visionary inventor whose innovative spirit continues to drive progress in the world of technology. His contributions have cemented his legacy as a pioneer in the field, inspiring future generations of inventors to think outside the box and pursue their creative ideas.

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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