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For the Inventor, By the Inventor

Calgary, Canada

Shell Canada Limited


USPTO Granted Patents = 8


Forward Citations = 203

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270 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.  Harold J Vinegar (307 patents)

14.  Menno Mathieu Molenaar (2 patents)

15.  John Michael Karanikas (96 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),
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.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#134 in Calgary

#1,805 in Canada

...
Calgary, Canada

Shell Canada Limited

Forward Citations = 203

270 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)

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