Forward Citations = 27

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2 inventors (with patents filed for the assignee):

Floyd W Becker (1 out of 10 patents)

Kare Asak (1 out of 3 patents)

2 patents: Sort by Forward Citations

1. 4913466 - Inner pipe member for dual-wall drill pipe assembly (1990-04-03),

2. 4860838 - Latching bit sub (1989-08-29),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#405 in Calgary

#6,012 in Canada

Calgary, Canada

Drill Systems International Ltd.

Forward Citations = 27

2 inventors:

Floyd W Becker (1 out of 10 patents)

Kare Asak (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Drill Systems International Ltd.. Retrieved from https://idiyas.com/company/drill-systems-international

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]