Albert F. Hansen

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Whangarei, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Diaphragm valve
- Patent number 6,374,855
- Issue date Apr 23, 2002
- Albert Frederick Hansen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe coupling
- Patent number 5,857,719
- Issue date Jan 12, 1999
- Albert Frederick Hansen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe coupling
- Patent number 5,687,994
- Issue date Nov 18, 1997
- Albert Frederick Hansen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe coupling
- Patent number 4,700,926
- Issue date Oct 20, 1987
- Albert F. Hansen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe coupling
- Patent number 4,583,767
- Issue date Apr 22, 1986
- Albert F. Hansen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Diaphragm multi-port valve assembly
- Patent number 4,102,355
- Issue date Jul 25, 1978
- Albert Frederick Hansen
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL