HK

Harald Krogsrud

EA Elkem As: 10 patents #1 of 96Top 2%
EA Elkem-Spigerverket A/S: 3 patents #1 of 10Top 10%
📍 Sandvika, NO: #9 of 273 inventorsTop 4%
Overall (All Time): #329,149 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
4724772 Device for towing loads 1988-02-16
4541991 Means for processing a solid gravel like material with a fluid 1985-09-17
4537551 Method and means of charging electrothermic smelting furnaces 1985-08-27
4526224 Means for cooling a body 1985-07-02
4482317 Apparatus for cooling a body 1984-11-13
4443879 Electrothermical furnace 1984-04-17
4438516 Means for an electrothermal smelting furnace 1984-03-20
4435817 Contact assembly 1984-03-06
4434496 Holder assembly for an electrode in an electrothermal smelting furnace 1984-02-28
4417345 Holder for an electrode 1983-11-22
4382073 Method for processing a solid gravel like material with a fluid 1983-05-03
4375960 Means for transporting/rotating the pot of a smelting furnace 1983-03-08
RE30937 Apparatus for gas collection in open electric smelting furnaces 1982-05-18
4245133 Roof for covered electric smelting furnaces 1981-01-13
4238634 Gas tight seal for electrodes in smelting furnaces 1980-12-09