-
Pump apparatus
-
Patent number 6,629,821
-
Issue date Oct 7, 2003
-
Kabushiki Kaisha Yokota Seisakusho
-
Hiroshi Yokota
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
-
-
Self-priming type cetrifugal pump
-
Patent number 6,152,689
-
Issue date Nov 28, 2000
-
Kabushiki Kaisha Yokota Seisakusho
-
Hiroshi Yokota
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
-
Control valve device
-
Patent number 6,135,142
-
Issue date Oct 24, 2000
-
Kabushiki Kaisha Yokota Seisakusho
-
Hiroshi Yokota
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Water-hammerless check valve
-
Patent number 6,102,072
-
Issue date Aug 15, 2000
-
Kabushiki Kaisha Yokota Seisakusho
-
Hiroshi Yokota
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Self-priming centrifugal pump
-
Patent number 5,772,394
-
Issue date Jun 30, 1998
-
Kabushiki Kaisha Yokota Seisakusho
-
Hiroshi Yokota
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
-
-
Water hammer preventing check valve
-
Patent number 5,746,246
-
Issue date May 5, 1998
-
Kabushiki Kaisha Yokota Seisakusho
-
Hiroshi Yokota
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
-