Harald Krogsrud

Person

Gjettum, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Method and means of charging electrothermic smelting furnaces
- Patent number 4,537,551
- Issue date Aug 27, 1985
- Elkem a/s
- Harald Krogsrud
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Means for cooling a body
- Patent number 4,526,224
- Issue date Jul 2, 1985
- Elkem a/s
- Harald Krogsrud
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Apparatus for cooling a body
- Patent number 4,482,317
- Issue date Nov 13, 1984
- Elkem a/s
- Harald Krogsrud
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Electrothermical furnace
- Patent number 4,443,879
- Issue date Apr 17, 1984
- Elkem a/s
- Harald Krogsrud
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Means for an electrothermal smelting furnace
- Patent number 4,438,516
- Issue date Mar 20, 1984
- Elkem a/s
- Harald Krogsrud
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Contact assembly
- Patent number 4,435,817
- Issue date Mar 6, 1984
- Elkem a/s
- Harald Krogsrud
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Holder assembly for an electrode in an electrothermal smelting furnace
- Patent number 4,434,496
- Issue date Feb 28, 1984
- Harald Krogsrud
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Holder for an electrode
- Patent number 4,417,345
- Issue date Nov 22, 1983
- Elkem a/s
- Harald Krogsrud
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Means for transporting/rotating the pot of a smelting furnace
- Patent number 4,375,960
- Issue date Mar 8, 1983
- Elkem a/s
- Harald Krogsrud
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Roof for covered electric smelting furnaces
- Patent number 4,245,133
- Issue date Jan 13, 1981
- Elkem-Spigerverket, A/S
- Harald Krogsrud
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Gas tight seal for electrodes in smelting furnaces
- Patent number 4,238,634
- Issue date Dec 9, 1980
- Elkem-Spigerverket a/s
- Harald Krogsrud
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for gas collection in open electric smelting furnaces
- Patent number 4,005,252
- Issue date Jan 25, 1977
- Elkem-Spigerverket
- Harald Krogsrud
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Rotatable furnace pot for smelting furnaces
- Patent number 3,975,575
- Issue date Aug 17, 1976
- Elkem-Spigerverket A/S
- Harald Krogsrud
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Rotatable furnace pot including stoking means
- Patent number 3,975,576
- Issue date Aug 17, 1976
- Elkem-Spigerverket A/S
- Harald Krogsrud
- F27 - FURNACES KILNS OVENS RETORTS

Harald Krogsrud

Person

Patents Grantslast 30 patents

Method and means of charging electrothermic smelting furnaces

Means for cooling a body

Apparatus for cooling a body

Electrothermical furnace

Means for an electrothermal smelting furnace

Contact assembly

Holder assembly for an electrode in an electrothermal smelting furnace

Holder for an electrode

Means for transporting/rotating the pot of a smelting furnace

Roof for covered electric smelting furnaces

Gas tight seal for electrodes in smelting furnaces

Apparatus for gas collection in open electric smelting furnaces

Rotatable furnace pot for smelting furnaces

Rotatable furnace pot including stoking means