Forward Citations = 36

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7 inventors (with patents filed for the assignee):

Dean Norman Foote (4 out of 18 patents)

Keith J Christopher (3 out of 3 patents)

Bogdan A Picioreanu (3 out of 3 patents)

4. Jason Williams (2 out of 2 patents)

5. Kyle Seitz (1 out of 1 patent)

6. John Kaminski (1 out of 1 patent)

7. Randy Pustanyk (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 10989302 - Method and device for mounting shaft seals permitting eccentric motion (2021-04-27),

2. 10683710 - Device for isolating a tool from axial vibration while maintaining conductor connectivity (2020-06-16),

3. 10378650 - Method and device for mounting shaft seals permitting eccentric motion (2019-08-13),

4. 9963938 - Directional drilling motor (2018-05-08),

5. 9377056 - Bearing stack for a down-hole drilling motor (2016-06-28),

6. 9303686 - Bearing assembly (2016-04-05),

7. 8915788 - Universal joint for a downhole drilling motor (2014-12-23),

Company Overview

Cathedral Energy Services Ltd. is a leading provider of specialized well drilling and completion services to the oil and natural gas industry. With a focus on safety, efficiency, and innovation, Cathedral offers a wide range of services including directional drilling, wellbore measurement, and completion tools. The company operates in North America and strives to deliver exceptional results for its clients through advanced technology and expert personnel.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#156 in Calgary

#2,098 in Canada

Calgary, Canada

Cathedral Energy Services Ltd.

Forward Citations = 36

7 inventors:

Dean Norman Foote (4 out of 18 patents)

Keith J Christopher (3 out of 3 patents)

Bogdan A Picioreanu (3 out of 3 patents)

4. Jason Williams (2 out of 2 patents)

5. Kyle Seitz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cathedral Energy Services Ltd.. Retrieved from https://idiyas.com/company/cathedral-energy-services

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]