Forward Citations = 65

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2 inventors (with patents filed for the assignee):

Lloyd Ewing (3 out of 13 patents)

Michael J Bykowski (3 out of 5 patents)

3 patents: Sort by Forward Citations

1. 4029575 - Phosphorus removal from waste water (1977-06-14),

2. 4023835 - Conformable thin-wall shear-resistant coupling and pipe assembly (1977-05-17),

3. 4023834 - Push-type coupling and conduit pipe assembly (1977-05-17),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#203 in Milwaukee, WI

#1,484 in Wisconsin

#73,860 in US

Milwaukee, WI, United States of America

Ewing Engineering Company

Forward Citations = 65

2 inventors:

Lloyd Ewing (3 out of 13 patents)

Michael J Bykowski (3 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ewing Engineering Company. Retrieved from https://idiyas.com/company/ewing-engineering-company

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]