NORDISK VENTILATOR CO. A/S

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Patents Grantslast 30 patents

Information Patent Grant
Axial flow fan impeller
- Patent number 4,579,510
- Issue date Apr 1, 1986
- Nordisk Ventilator Co. A/S
- Claus Christensen-Dalsgaard
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Spring biased bayonet coupling for fan blades
- Patent number 4,573,874
- Issue date Mar 4, 1986
- Nordisk Ventilator Co. A/S
- Steen H. Andersen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Thrust bearing device, particularly for taking up oscillating rotat...
- Patent number 4,346,948
- Issue date Aug 31, 1982
- Nordisk Ventilator Co., A/S
- Svend H. Kristiansen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Particle erosion resistant covering for fan blade leading edge
- Patent number 4,318,672
- Issue date Mar 9, 1982
- Nordisk Ventilator Co. A/S
- Bent B. Hansen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method and a device for detecting the stall condition of an axial f...
- Patent number 4,055,994
- Issue date Nov 1, 1977
- Nordisk Ventilator Co., A/S
- Ole Roslyng
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
72402608 - NV
- Serial number 72402608
- Registration number 970741
- Filing date Sep 13, 1971
- NORDISK VENTILATOR CO. A/S
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
72087575 - VARIAX
- Serial number 72087575
- Registration number 715073
- Filing date Dec 18, 1959
- NORDISK VENTILATOR CO. A/S
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
71687972 - HI-PRES
- Serial number 71687972
- Registration number 629994
- Filing date May 20, 1955
- NORDISK VENTILATOR CO. A/S
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes