Forward Citations = 17

Loading Chart...

2 inventors (with patents filed for the assignee):

Frank Zelenka (2 out of 2 patents)

Michael Mravyan (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 5890772 - Grinding machine for removing markings from paved surfaces and grinder (1999-04-06),

2. 4725097 - Inclined cutter for surface cleaning head (1988-02-16),

3. 4640553 - Brake system for cutters of surface cleaning cutter cage (1987-02-03),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#29 in Brampton

#4,374 in Canada

Brampton, Canada

Bartell Industries Inc.

Forward Citations = 17

2 inventors:

Frank Zelenka (2 out of 2 patents)

Michael Mravyan (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bartell Industries Inc.. Retrieved from https://idiyas.com/company/bartell-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]