For the Inventor, By the Inventor

Enter assignee name

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

Loading Chart...

Loading Chart...

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),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

39 Patents

#124 in Wilmington, DE

#153 in Delaware

#8,810 in US

#17,413 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)

Please report any incorrect information to [email protected]

Loading…