Empco (Canada) Ltd.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 33.3

Forward Citations = 50

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5 inventors (with patents filed for the assignee):

Edgar R Wunsche (4 out of 5 patents)

Edgar R Wünsche (1 out of 1 patent)

Robert R Wunsche (1 out of 1 patent)

4. Milan Kosanovich (1 out of 1 patent)

5. Alan A Wunsche (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 8124004 - Slag door assembly for an electric arc furnance (2012-02-28),

2. 7767137 - Sealing apparatus for a slag door of a metallurgical furnace (2010-08-03),

3. 6696013 - Metallurgical furnace with scrap metal preheater and dispenser (2004-02-24),

4. 6024912 - Apparatus and process system for preheating of steel scrap for melting (2000-02-15),

5. 4653730 - Multi-purpose pyrometallurgical process enhancing device (1987-03-31),

6. 4455017 - Forced cooling panel for lining a metallurgical furnace (1984-06-19),

Company Overview

Empco (Canada) Ltd. is a leading provider of industrial equipment and supplies in Canada. With over 20 years of experience, we offer a wide range of products including tools, machinery, safety equipment, and more. Our commitment to quality and customer satisfaction sets us apart in the industry. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

6 Patents

#3 in Whitby

#2,427 in Canada

Whitby, Canada

Empco (Canada) Ltd.

Forward Citations = 50

5 inventors:

Edgar R Wunsche (4 out of 5 patents)

Edgar R Wünsche (1 out of 1 patent)

Robert R Wunsche (1 out of 1 patent)

4. Milan Kosanovich (1 out of 1 patent)

5. Alan A Wunsche (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Empco (Canada) Ltd.. Retrieved from https://idiyas.com/company/empco-canada

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]