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James L. Wheeler
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Calgary, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Hole opener
Patent number
12,071,816
Issue date
Aug 27, 2024
Precise Drilling Components Ltd
Cody D. Graham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hole opener
Patent number
12,018,532
Issue date
Jun 25, 2024
Precise Drilling Components Ltd
Cody D. Graham
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
HOLE OPENER
Publication number
20230184040
Publication date
Jun 15, 2023
Precise Drilling Components Ltd
Cody D. Graham
E21 - EARTH DRILLING MINING
Information
Patent Application
Casing Centralizer Coupling
Publication number
20070163778
Publication date
Jul 19, 2007
Jim Wheeler
E21 - EARTH DRILLING MINING
Information
Patent Application
Bits for use in drilling with casing and method of making the same
Publication number
20050103530
Publication date
May 19, 2005
James L. Wheeler
E21 - EARTH DRILLING MINING