Inventor · disambiguated record
Sven-Einar Stenkvist
Also filed as: STENKVIST SVEN E · STENKVIST SVEN-EINAR · STENKVIST SVEN-EINAR SE
49 granted patents·372 citations·filing 1975–1997
98Inventor score
Top patents by PatentIndex Score
49 records- 0196US4228314ADC Arc furnace hearthASEA AB·Filed 1979·Granted Oct 14, 1980·26 cites·6 claims
- 0291US4149024AArc furnace for reducing metal oxides and method for operating such a furnaceASEA AB·Filed 1977·Granted Apr 10, 1979·29 cites·4 claims
- 0384US4541099ADC Arc furnace improved hearth constructionASEA AB·Filed 1984·Granted Sep 10, 1985·17 cites·6 claims
- 0478US4324943ADC Arc furnace hearth constructionASEA AB·Filed 1980·Granted Apr 13, 1982·12 cites·7 claims
- 0574US4336411AMolten metal heating, stirring and casting apparatusASEA AB·Filed 1981·Granted Jun 22, 1982·21 cites·5 claims
- 0673US4577326ADC Arc furnace hearth connectionASEA AB·Filed 1984·Granted Mar 18, 1986·10 cites·2 claims
- 0772US4110546ADC arc furnace having a rotating arcASEA AB·Filed 1976·Granted Aug 29, 1978·22 cites·2 claims
- 0870US4277638APrefabricated unit for a DC arc furnaceASEA AB·Filed 1979·Granted Jul 7, 1981·15 cites·4 claims
- 0970US3999000ASelf-commutating DC arc furnace having starting electrode and method of its operationASEA AB·Filed 1975·Granted Dec 21, 1976·7 cites·4 claims
- 1065US4032704AMethod and apparatus for treating a metal meltASEA AB·Filed 1975·Granted Jun 28, 1977·6 cites·6 claims
- 1158US5748666AMethod and furnace for treatment of ashASEA BROWN BOVERI·Filed 1994·Granted May 5, 1998·19 cites·9 claims
- 1258US4528673ALadle furnace with DC heatingASEA AB·Filed 1983·Granted Jul 9, 1985·10 cites·2 claims
- 1358US4204082ADC Arc furnace having starting electrodeASEA AB·Filed 1978·Granted May 20, 1980·5 cites·4 claims
- 1458US4016355ADevice in direct current arc furnacesASEA AB·Filed 1975·Granted Apr 5, 1977·8 cites·4 claims
- 1554US4435813ADC Arc furnace componentASEA AB·Filed 1982·Granted Mar 6, 1984·6 cites·4 claims
- 1652US4618963ADirect current arc furnaceASEA AB·Filed 1985·Granted Oct 21, 1986·9 cites·2 claims
- 1751US5237585ADirect-current arc furnace having circumferential zones of varying conductivityASEA BROWN BOVERI·Filed 1991·Granted Aug 17, 1993·13 cites·11 claims
- 1851US4550413ASymmetrical current conductor system for a DC arc furnaceASEA AB·Filed 1984·Granted Oct 29, 1985·8 cites·1 claims
- 1951US4468782AMethod and device for operating a DC arc furnaceASEA AB·Filed 1982·Granted Aug 28, 1984·6 cites·2 claims
- 2047US4425659AMetal oxide reduction furnaceASEA AB·Filed 1981·Granted Jan 10, 1984·5 cites·4 claims
- 2147US4356340ADC Arc furnace having a shielded arcASEA AB·Filed 1980·Granted Oct 26, 1982·5 cites·6 claims
- 2246US4135052ADc arc furnace arc controlASEA AB·Filed 1977·Granted Jan 16, 1979·8 cites·5 claims
- 2346US4038483AMeans for direct current arc furnacesASEA AB·Filed 1976·Granted Jul 26, 1977·8 cites·8 claims
- 2443US4403328ADC Arc furnace power connection systemASEA AB·Filed 1982·Granted Sep 6, 1983·3 cites·2 claims
- 2543US4177061AMethod for making iron-chromium alloysASEA AB·Filed 1978·Granted Dec 4, 1979·6 cites·4 claims
- 2641US4442526AElectric arc furnace arcing electrode sealASEA AB·Filed 1982·Granted Apr 10, 1984·4 cites·3 claims
- 2741US4161618ADC arc furnace operation indicating systemASEA AB·Filed 1978·Granted Jul 17, 1979·6 cites·4 claims
- 2841US3988525ADirect current arc furnace with charging meansASEA AB·Filed 1975·Granted Oct 26, 1976·4 cites·3 claims
- 2940US5923698AMethod of operating an arc furnace, and an arc furnaceCONCAST STANDARD AG·Filed 1997·Granted Jul 13, 1999·6 cites·10 claims
- 3040US5376911AChoke coilASEA BROWN BOVERI·Filed 1993·Granted Dec 27, 1994·6 cites·5 claims
- 3140US4701931AElectrically conductive bricksASEA AB·Filed 1986·Granted Oct 20, 1987·6 cites·6 claims
- 3240US3997712AElectric arc furnaceASEA AB·Filed 1975·Granted Dec 14, 1976·4 cites·8 claims
- 3339US5173920ADirect-current electric-arc furnaceASEA BROWN BOVERI·Filed 1991·Granted Dec 22, 1992·12 cites·8 claims
- 3438US4853941AD.C. arc furnace having electrically conductive hearth and method for making sameASEA BROWN BOVERI·Filed 1988·Granted Aug 1, 1989·6 cites·3 claims
- 3537US5134628ADirect-current arc furnace having bottom electrodes with bath agitation electromagnetASEA BROWN BOVERI·Filed 1991·Granted Jul 28, 1992·6 cites·6 claims
- 3637US4606055ADC arc furnace having starting equipmentASEA AB·Filed 1984·Granted Aug 12, 1986·3 cites·3 claims
- 3736US5787109AFurnace vessel for a DC arc furnaceASEA BROWN BOVERI·Filed 1995·Granted Jul 28, 1998·2 cites·9 claims
- 3835US5317591ADirect-current arc furnaceASEA BROWN BOVERI·Filed 1992·Granted May 31, 1994·5 cites·5 claims
- 3934US5274663ADirect-current arc furnace plantASEA BROWN BOVERI·Filed 1992·Granted Dec 28, 1993·4 cites·5 claims
- 4034US4612650ADC arc furnaceASEA AB·Filed 1985·Granted Sep 16, 1986·2 cites·1 claims
- 4134US4145562ADC Arc furnace melt electrodeASEA AB·Filed 1978·Granted Mar 20, 1979·3 cites·6 claims
- 4233US4018974ADirect current arc furnaceASEA AB·Filed 1975·Granted Apr 19, 1977·2 cites·2 claims
- 4332US4532633ADC arc furnace improved hearth constructionASEA AB·Filed 1984·Granted Jul 30, 1985·2 cites·3 claims
- 4432US4034146AMethod and apparatus for equalizing the wall lining wear in three phase alternating current electric arc furnacesSTENKVIST SVEN EINAR·Filed 1976·Granted Jul 5, 1977·3 cites·11 claims
- 4532US3985945ADirect-current arc furnaceASEA AB·Filed 1975·Granted Oct 12, 1976·1 cites·1 claims
- 4630US4097978ADC Arc furnace hearth electrode installationASEA AB·Filed 1977·Granted Jul 4, 1978·0 cites·4 claims
- 4729US5719897AFurnace vessel for a direct current arc furnaceASEA BROWN BOVERI·Filed 1995·Granted Feb 17, 1998·0 cites·9 claims
- 4825US5738823AMeltdown apparatusASEA BROWN BOVERI·Filed 1996·Granted Apr 14, 1998·1 cites·4 claims
- 4921US4031308ADirect current arc furnace hearth connection installationASEA AB·Filed 1976·Granted Jun 21, 1977·0 cites·2 claims
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