Trademarks = 2

Forward Citations = 9

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3 inventors (with patents filed for the assignee):

Frank Goodman (1 out of 2 patents)

Dave Harvey (1 out of 1 patent)

Lorne Sundberg (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6269519 - Duct cleaning device (2001-08-07),

2. 5606768 - Emissions collection and venting system for van-mounted cleaning (1997-03-04),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#789 in

#6,024 in Canada

CA

Esteam Manufacturing Ltd.

Forward Citations = 9

3 inventors:

Frank Goodman (1 out of 2 patents)

Dave Harvey (1 out of 1 patent)

Lorne Sundberg (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Esteam Manufacturing Ltd.. Retrieved from https://idiyas.com/company/esteam-manufacturing

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]