For the Inventor, By the Inventor

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Wilmington, DE, United States of America

Emcon Technologies LLC

USPTO Granted Patents = 39

% Expired Patents = 61.5

EPO Patents = 12

Trademarks = 1

Forward Citations = 263

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48 inventors (with patents filed for the assignee):

Joseph Callahan (11 out of 22 patents)

Kwin Abram (10 out of 28 patents)

Robin Willats (9 out of 29 patents)

4. Ivan Arbuckle (6 out of 8 patents)

5. Wilbur H Crawley (5 out of 19 patents)

6. Peter Kroner (5 out of 7 patents)

7. Randall J Johnson (4 out of 11 patents)

8. Clive D Telford (4 out of 5 patents)

9. Marco Ranalli (3 out of 18 patents)

10. Gregg Speer (3 out of 6 patents)

11. Nicholas John Birkby (3 out of 7 patents)

12. Navin Khadiya (2 out of 9 patents)

13. John P Nohl (2 out of 8 patents)

14. Govindaraj Kalyanasamy (2 out of 7 patents)

15. Yougen Kong (2 out of 5 patents)

Core Competencies:

Passive Valve

Exhaust System

Catalytic Converter

NOx Reduction

Emission Abatement

Thermal Regenerator

Vehicle Exhaust

Hybrid Valve Assembly

Particulate Filter

Turbocharger

Fuel Delivery

39 patents: Sort by Forward Citations

1. 8453672 - Passive valve for attenuation of low frequency noise (2013-06-04),

2. 8397557 - Diagnostic method and apparatus for thermal regenerator after-treatment device (2013-03-19),

3. 8365522 - Dual exhaust system with independent valve control (2013-02-05),

4. 8359842 - Airless fuel delivery system (2013-01-29),

5. 8327635 - Valve device (2012-12-11),

6. 8209967 - Internal combustion engine exhaust system (2012-07-03),

7. 8201401 - Passive valve assembly with negative start angle (2012-06-19),

8. 8191581 - Wire tube structure for exhaust component (2012-06-05),

9. 8025121 - Tube structure for exhaust component (2011-09-27),

10. 7908847 - Method and apparatus for starting up a fuel-fired burner of an emission abatement assembly (2011-03-22),

11. 7874147 - Method and apparatus for a non-catalytic NOx reduction (2011-01-25),

12. 7870930 - Exhaust system with external helmholtz resonator and associated method (2011-01-18),

13. 7836945 - Method for controlling a valve for an exhaust system (2010-11-23),

14. 7776280 - Method and apparatus for selective catalytic reduction of NOx (2010-08-17),

15. 7774936 - Catalytic converter and associated method of assembly (2010-08-17),

Company Overview

Emcon Technologies LLC, based in Wilmington, DE, specializes in advanced engineering solutions and innovative technology development. The company focuses on creating cutting-edge products and services across various sectors, including aerospace, defense, and industrial applications. With a commitment to research and development, Emcon leverages its expertise to deliver tailored solutions that meet the evolving needs of its clients, ensuring high performance and reliability in complex environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

39 Patents

#125 in Wilmington, DE

#154 in Delaware

#8,830 in US

#17,465 in the World

Wilmington, DE, United States of America

Emcon Technologies LLC

Forward Citations = 263

48 inventors:

Joseph Callahan (11 out of 22 patents)

Kwin Abram (10 out of 28 patents)

Robin Willats (9 out of 29 patents)

4. Ivan Arbuckle (6 out of 8 patents)

5. Wilbur H Crawley (5 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Emcon Technologies LLC. Retrieved from https://idiyas.com/company/emcon-technologies

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

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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