Osvaldo J. Valdes

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Santiago, CL

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic actuator for pressure switch of fluidic system
- Patent number 5,509,787
- Issue date Apr 23, 1996
- Osvaldo J. Valdes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydropneumatic constant pressure device
- Patent number 5,190,443
- Issue date Mar 2, 1993
- Osvaldo Valdes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydroelectric switch for controlling electric motor driven pump
- Patent number 4,659,291
- Issue date Apr 21, 1987
- Osvaldo J. Valdes
- G05 - CONTROLLING REGULATING
Information Patent Grant
Synthetic plastic pipe coupling and method of assembly
- Patent number 4,488,738
- Issue date Dec 18, 1984
- Osvaldo J. Valdes
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...