For the Inventor, By the Inventor

Enter assignee name

Englewood, CO, United States of America

Ch2m Hill Constructors, Inc.

USPTO Granted Patents = 2

Forward Citations = 9

Loading Chart...

Loading Chart...

5 inventors (with patents filed for the assignee):

John L Donovan (2 out of 10 patents)

Jay M Quimby (1 out of 2 patents)

Richard A Johnson (1 out of 1 patent)

4. Alan T Edwards (1 out of 2 patents)

5. McRea B Willmert (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 7700047 - System and method for treatment of hazardous materials, e.g., unexploded chemical warfare ordinance (2010-04-20),

2. 6705242 - Method and apparatus for hermetically sealing openings of an explosion containment chamber (2004-03-16),

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#175 in Englewood, CO

#2,279 in Colorado

#92,599 in US

Englewood, CO, United States of America

Ch2m Hill Constructors, Inc.

Forward Citations = 9

5 inventors:

John L Donovan (2 out of 10 patents)

Jay M Quimby (1 out of 2 patents)

Richard A Johnson (1 out of 1 patent)

4. Alan T Edwards (1 out of 2 patents)

5. McRea B Willmert (1 out of 2 patents)

Please report any incorrect information to support@idiyas.com

Loading…