% Expired Patents = 50.0

EPO Patents = 1

Forward Citations = 74

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9 inventors (with patents filed for the assignee):

Brian Maerz (1 out of 19 patents)

Douglas Hubbell (1 out of 3 patents)

Vincent A Welch (1 out of 11 patents)

4. Charles Morris Smith (1 out of 44 patents)

5. Michael C Clark (1 out of 46 patents)

6. Michael John Radovich (1 out of 2 patents)

7. James S Law (1 out of 3 patents)

8. Philippe W M Rutten (1 out of 1 patent)

9. Ronald Joseph Cimini (1 out of 8 patents)

4 patents: Sort by Forward Citations

1. 7107774 - Method and apparatus for combined cycle power plant operation (2006-09-19),

2. 6995295 - Alkylaromatics production (2006-02-07),

3. 6376736 - Production of high purity meta-xylene (2002-04-23),

4. 6171449 - Cascade reboiling of ethylbenzene/styrene columns (2001-01-09),

Company Overview

Washington Group International, Inc. is a leading construction and engineering company that specializes in providing a wide range of services including design, construction, and management of large-scale infrastructure projects. With a strong track record of delivering high-quality projects on time and within budget, Washington Group International is known for their commitment to excellence and client satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#69 in Boise, ID

#189 in Idaho

#60,671 in US

Boise, ID, United States of America

Washington Group International, Inc.

Forward Citations = 74

9 inventors:

Brian Maerz (1 out of 19 patents)

Douglas Hubbell (1 out of 3 patents)

Vincent A Welch (1 out of 11 patents)

4. Charles Morris Smith (1 out of 44 patents)

5. Michael C Clark (1 out of 46 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Washington Group International, Inc.. Retrieved from https://idiyas.com/company/washington-group-international

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]

1 patent (EPO):

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]