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Patent No. US 09234392
Issue Date Jan 12, 2016
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Patent 09234392 - Drill bit with a flow interrupter > Summary

US Patent

Patent No. US 09234392

Published on Jan 12, 2016

Application No. 14/528784

Filed on Oct 30, 2014

Priority Date -

Inventor/Applicants

4

Comeau, Laurier E. - Leduc, CA

Hareland, Geir - Calgary, CA

Janzen, Jeff - Leduc, CA

Kaminski, John - Leduc, CA

Classification

International:4

E21B 10/38

E21B 10/60;

E21B 7/24;

E21B 28/00;

Field of Search 7

175/393

175/339;

175/340;

175/215;

175/297;

239/487;

239/489;

Examiner

2

Wright, Giovanna C

Wang, Wei

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