For the Inventor, By the Inventor

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Calgary, Canada

Logan Completion Systems Inc.

USPTO Granted Patents = 3

% Expired Patents = 100.0

CIPO Patents = 2

Forward Citations = 33

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4 inventors (with patents filed for the assignee):

Don Turner (2 out of 3 patents)

Sean Patrick Campbell (2 out of 21 patents)

Grant E George (2 out of 19 patents)

4. Ken Manson (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 9291034 - Selective fracturing tool (2016-03-22),

2. 8727010 - Selective fracturing tool (2014-05-20),

3. 7975765 - Enclosed circulation tool for a well (2011-07-12),

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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#302 in Calgary

#4,355 in Canada

Calgary, Canada

Logan Completion Systems Inc.

Forward Citations = 33

4 inventors:

Don Turner (2 out of 3 patents)

Sean Patrick Campbell (2 out of 21 patents)

Grant E George (2 out of 19 patents)

4. Ken Manson (1 out of 1 patent)

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