-
-
-
-
-
-
-
Protector for electrical submersible pumps
-
Patent number 7,806,670
-
Issue date Oct 5, 2010
-
Schlumberger Technology Corporation
-
Michael H. Du
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
-
Protector for electrical submersible pumps
-
Patent number 7,217,107
-
Issue date May 15, 2007
-
Schlumberger Technology Corporation
-
Michael H. Du
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
-
Motor protector
-
Patent number 7,182,584
-
Issue date Feb 27, 2007
-
Schlumberger Technology Corporation
-
Michael Hui Du
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
-
Protector for electrical submersible pumps
-
Patent number 6,981,853
-
Issue date Jan 3, 2006
-
Schlumberger Technology Corporation
-
Michael H. Du
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
-
Protector for electrical submersible pumps
-
Patent number 6,688,860
-
Issue date Feb 10, 2004
-
Schlumberger Technology Corporation
-
Michael H. Du
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...