Nicholas Marchand

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Edmonton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure compensation system for a motor bearing assembly
- Patent number 9,683,409
- Issue date Jun 20, 2017
- National-Oilwell Varco, L.P.
- Nicholas Marchand
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure compensation system for an oil-sealed mud motor bearing as...
- Patent number 9,163,457
- Issue date Oct 20, 2015
- National-Oilwell Varco, L.P.
- Nicholas Marchand
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Circulation sub with indexing mechanism
- Patent number 8,844,634
- Issue date Sep 30, 2014
- National-Oilwell Varco, L.P.
- Jeffery Ronald Clausen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MECHANISM FOR PROVIDING CONTROLLABLE ANGULAR ORIENTATION WHILE TRAN...
- Publication number 20110073372
- Publication date Mar 31, 2011
- DRECO ENERGY SERVICES LTD.
- Jonathan Ryan Prill
- E21 - EARTH DRILLING MINING