Inventor · disambiguated record
Harald Krogsrud
Also filed as: KROGSRUD HARALD
20 granted patents·125 citations·filing 1975–1984
94Inventor score
Top patents by PatentIndex Score
20 records- 0191US4238634AGas tight seal for electrodes in smelting furnacesELKEM SPIGERVERKET AS·Filed 1979·Granted Dec 9, 1980·23 cites·5 claims
- 0278US4133657AApparatus for purification of gassesELKEM SPIGERVERKET AS·Filed 1977·Granted Jan 9, 1979·32 cites·11 claims
- 0363US4537551AMethod and means of charging electrothermic smelting furnacesELKEM AS·Filed 1983·Granted Aug 27, 1985·10 cites·12 claims
- 0459US4005252AApparatus for gas collection in open electric smelting furnacesELKEM SPIGERVERKET AS·Filed 1975·Granted Jan 25, 1977·9 cites·4 claims
- 0547US4724772ADevice for towing loadsKROGSRUD HARALD·Filed 1984·Granted Feb 16, 1988·11 cites·10 claims
- 0644US4375960AMeans for transporting/rotating the pot of a smelting furnaceELKEM AS·Filed 1981·Granted Mar 8, 1983·5 cites·6 claims
- 0742US4435817AContact assemblyELKEM AS·Filed 1981·Granted Mar 6, 1984·7 cites·8 claims
- 0838US4443879AElectrothermical furnaceELKEM AS·Filed 1983·Granted Apr 17, 1984·3 cites·6 claims
- 0938US4116830AMethod of treating wet-washed silica dustELKEM SPIGERVERKET AS·Filed 1977·Granted Sep 26, 1978·5 cites·5 claims
- 1037US4438516AMeans for an electrothermal smelting furnaceELKEM AS·Filed 1981·Granted Mar 20, 1984·5 cites·13 claims
- 1137US3975575ARotatable furnace pot for smelting furnacesELKEM SPIGERVERKET AS·Filed 1975·Granted Aug 17, 1976·3 cites·12 claims
- 1235US3975576ARotatable furnace pot including stoking meansELKEM SPIGERVERKET AS·Filed 1975·Granted Aug 17, 1976·2 cites·18 claims
- 1333US4434496AHolder assembly for an electrode in an electrothermal smelting furnaceELKEM AS·Filed 1981·Granted Feb 28, 1984·3 cites·8 claims
- 1433US4417345AHolder for an electrodeELKEM AS·Filed 1981·Granted Nov 22, 1983·3 cites·7 claims
- 1530US4541991AMeans for processing a solid gravel like material with a fluidELKEM AS·Filed 1983·Granted Sep 17, 1985·1 cites·9 claims
- 1630US4382073AMethod for processing a solid gravel like material with a fluidELKEM AS·Filed 1981·Granted May 3, 1983·1 cites·2 claims
- 1730US3976727AVenturi gas scrubbers for smelting furnacesELKEM SPIGERVERKET AS·Filed 1975·Granted Aug 24, 1976·2 cites·5 claims
- 1829US4526224AMeans for cooling a bodyELKEM AS·Filed 1982·Granted Jul 2, 1985·0 cites·2 claims
- 1929US4482317AApparatus for cooling a bodyELKEM AS·Filed 1982·Granted Nov 13, 1984·0 cites·6 claims
- 2029US4245133ARoof for covered electric smelting furnacesELKEM SPIGERVERKET AS·Filed 1979·Granted Jan 13, 1981·0 cites·10 claims
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