Hjalmar Fries

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Spanga, SE

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Patents Grantslast 30 patents

Information Patent Grant
Moisture-detecting, switching device and a method of forming the same
- Patent number 5,477,018
- Issue date Dec 19, 1995
- ITT Flygt AB
- Hjalmar Fries
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Submersible machine
- Patent number 5,237,228
- Issue date Aug 17, 1993
- ITT Flygt AB
- Hjalmar Fries
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and a device for installation of a mixer
- Patent number 4,721,392
- Issue date Jan 26, 1988
- Flygt AB
- Hjalmar Fries
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pump for mixing and pumping liquids
- Patent number 4,653,977
- Issue date Mar 31, 1987
- Flygt Aktienbolag
- Hjalmar Fries
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...