Ulrik Johansen

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Patents Grantslast 30 patents

Information Patent Grant
Blade angle control device for use in an axial flow fan the blades...
- Patent number 4,844,696
- Issue date Jul 4, 1989
- Novenco A/S
- Ulrik Johansen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Impeller for an axial flow fan
- Patent number 4,844,697
- Issue date Jul 4, 1989
- Novenco A/S
- Ulrik Johansen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...