Trademarks = 2

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

David Bartels (1 out of 1 patent)

Rishi Gurjar (1 out of 6 patents)

1 patent: Sort by Forward Citations

1. 11371289 - Drive shaft assembly for downhole drilling and method for using same (2022-06-28),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#244 in Edmonton

#9,459 in Canada

Edmonton, Canada

Wenzel Downhole Tools Ulc

Forward Citations = 1

2 inventors:

David Bartels (1 out of 1 patent)

Rishi Gurjar (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wenzel Downhole Tools Ulc. Retrieved from https://idiyas.com/company/wenzel-downhole-tools-ulc

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]