For the Inventor, By the Inventor

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Calgary, Canada

Home Oil Company Limited

USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 23

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7 inventors (with patents filed for the assignee):

Gerry A Wheatcroft (2 out of 2 patents)

Frank G Turpin (2 out of 2 patents)

Carroll H Sherman (2 out of 2 patents)

4. Douglas M Paulsrude (2 out of 2 patents)

5. Richard S Madenburg (2 out of 2 patents)

6. Ian Drum (2 out of 2 patents)

7. Herb J Seguin (1 out of 9 patents)

3 patents: Sort by Forward Citations

1. 4404180 - Manufacture of hydrogen sulfide (1983-09-13),

2. 4332774 - Manufacture of hydrogen sulfide (1982-06-01),

3. 4328523 - Method and apparatus for the protection of electrical equipment from (1982-05-04),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#291 in Calgary

#4,243 in Canada

Calgary, Canada

Home Oil Company Limited

Forward Citations = 23

7 inventors:

Gerry A Wheatcroft (2 out of 2 patents)

Frank G Turpin (2 out of 2 patents)

Carroll H Sherman (2 out of 2 patents)

4. Douglas M Paulsrude (2 out of 2 patents)

5. Richard S Madenburg (2 out of 2 patents)

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