Forward Citations = 2

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2 inventors (with patents filed for the assignee):

Frank Wegner Donnelly (3 out of 40 patents)

John David Watson (1 out of 58 patents)

3 patents: Sort by Forward Citations

1. 10960902 - Systems and methods for balancing a single truck industrial locomotive (2021-03-30),

2. 9944299 - Multi-engine locomotive propulsion (2018-04-17),

3. 9902405 - Rail cars for transporting heavy hydrocarbons (2018-02-27),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#283 in Vancouver

#4,374 in Canada

Vancouver, Canada

Tractive Power Corporation

Forward Citations = 2

2 inventors:

Frank Wegner Donnelly (3 out of 40 patents)

John David Watson (1 out of 58 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tractive Power Corporation. Retrieved from https://idiyas.com/company/tractive-power

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]