Derek N. Krilow

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Saskatoon, CA

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Patents Grantslast 30 patents

Information Patent Grant
Reciprocating subsurface pump
- Patent number 9,856,864
- Issue date Jan 2, 2018
- National-Oilwell Varco, L.P.
- Derek N. Krilow
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
RECIPROCATING SUBSURFACE PUMP
- Publication number 20150017036
- Publication date Jan 15, 2015
- National-Oilwell Varco, L.P.
- Derek N. Krilow
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...