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For the Inventor, By the Inventor

Calgary, Canada

Shell Canada Limited


USPTO Granted Patents = 8

% Expired Patents = 12.5


Forward Citations = 204

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12 inventors (with patents filed for the assignee):

goldMedal William R Bailey (2 out of 3 patents)

silverMedal Norm D Pugh (2 out of 4 patents)

bronzeMedal William C McBee (1 out of 2 patents)

4.  Michael Prats (1 out of 7 patents)

5.  James R Brewer (1 out of 3 patents)

6.  Wayne D Lentz (1 out of 1 patent)

7.  Tee S Ong (1 out of 1 patent)

8.  Ronald A Hamm (1 out of 1 patent)

9.  Frederick C Stuchberry (1 out of 3 patents)

10.  Alfred E Backstrom (1 out of 1 patent)

11.  Abraham Verhoeff (1 out of 2 patents)

12.  George Lukaszewicz (1 out of 1 patent)

13.  Matheus Norbertus Baaijens (6 patents)

14.  Harold J Vinegar (311 patents)

15.  Francesco Picchioni (3 patents)


8 patents:

1. 6863724 - Sulfur additives for paving binders and manufacturing methods (2005-03-08),
2. 6824600 - Paving binders and manufacturing methods (2004-11-30),
3. 5318124 - Recovering hydrocarbons from tar sand or heavy oil reservoirs (1994-06-07),
4. 5108272 - Sucker rod pump (1992-04-28),
5. 4876004 - Topological separator (1989-10-24),
6. 4476603 - Drainage seal for sewage system (1984-10-16),
7. 4064942 - Aquifer-plugging steam soak for layered reservoir (1977-12-27),
8. 4035282 - Process for recovery of bitumen from a bituminous froth (1977-07-12),
Company Overview
Shell Canada Limited is a leading integrated energy company. They are committed to responsibly developing and delivering energy to meet the growing needs of society. Their diverse portfolio includes oil sands, natural gas, and downstream operations. They prioritize safety, efficiency, and sustainability in all aspects of their business.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#138 in Calgary

#1,878 in Canada

Calgary, CA
Calgary, Canada

Shell Canada Limited

Forward Citations = 204

12 inventors:

goldMedal William R Bailey (2 out of 3 patents)

silverMedal Norm D Pugh (2 out of 4 patents)

bronzeMedal William C McBee (1 out of 2 patents)

4.  Michael Prats (1 out of 7 patents)

5.  James R Brewer (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shell Canada Limited. Retrieved from https://idiyas.com/company/shell-canada

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]
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