% Expired Patents = 50.0

Forward Citations = 55

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5 inventors (with patents filed for the assignee):

Shihwu Sung (1 out of 2 patents)

Donald Frankl (1 out of 1 patent)

Michael Chyi (1 out of 1 patent)

4. Gustav J Steinke (1 out of 83 patents)

5. Starla D Huffer (1 out of 75 patents)

2 patents: Sort by Forward Citations

1. 8293110 - Method of treating wastewater using sequencing batch aerated lagoon (2012-10-23),

2. D341807 - Disc brake shim (1993-11-30),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#10 in Sioux City, IA

#591 in Iowa

#94,905 in US

Sioux City, IA, United States of America

International Industries, Inc.

Forward Citations = 55

5 inventors:

Shihwu Sung (1 out of 2 patents)

Donald Frankl (1 out of 1 patent)

Michael Chyi (1 out of 1 patent)

4. Gustav J Steinke (1 out of 83 patents)

5. Starla D Huffer (1 out of 75 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: International Industries, Inc.. Retrieved from https://idiyas.com/company/international-industries

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]