Assignee
ESTEL HOOGOVENS BV
NL·25 granted patents·275 citations·filing 1979–1984
Top patents by PatentIndex Score
25 records- 0185US4749446AHorizontal coke-oven batteryESTEL HOOGOVENS BV·Filed 1984·Granted Jun 7, 1988·49 cites·11 claims
- 0279US4438653ASublance for measuring and/or sampling in a metallurgical furnaceESTEL HOOGOVENS BV·Filed 1982·Granted Mar 27, 1984·15 cites·4 claims
- 0375US4427186ALiquid-cooled lance for blowing oxygen onto a steel bathESTEL HOOGOVENS BV·Filed 1982·Granted Jan 24, 1984·12 cites·13 claims
- 0473US4439049ATemperature scannerESTEL HOOGOVENS BV·Filed 1982·Granted Mar 27, 1984·42 cites·7 claims
- 0567US4503978ASupport for cylindrical objects such as rolled coilsESTEL HOOGOVENS BV·Filed 1982·Granted Mar 12, 1985·26 cites·5 claims
- 0656US4379548AExhaust system especially for use in the cast house of a blast furnaceESTEL HOOGOVENS BV·Filed 1981·Granted Apr 12, 1983·15 cites·13 claims
- 0755US4532789AProcess for reducing the width of a flat metal product by rollingESTEL HOOGOVENS BV·Filed 1983·Granted Aug 6, 1985·10 cites·14 claims
- 0849US4379427AApparatus for applying marks to a product e.g. a coil of rolled steelESTEL HOOGOVENS BV·Filed 1981·Granted Apr 12, 1983·12 cites·5 claims
- 0947US4473519AMethod of agglomeration of fly ash into pelletsESTEL HOOGOVENS BV·Filed 1982·Granted Sep 25, 1984·10 cites·8 claims
- 1047US4340401ABag-filter type dust collectorESTEL HOOGOVENS BV·Filed 1980·Granted Jul 20, 1982·19 cites·25 claims
- 1143US4441701AApparatus for supporting and guiding a sub-lanceESTEL HOOGOVENS BV·Filed 1982·Granted Apr 10, 1984·5 cites·2 claims
- 1243US4388816AMethod and apparatus for rolling a length of metal bar or wireESTEL HOOGOVENS BV·Filed 1981·Granted Jun 21, 1983·8 cites·5 claims
- 1343US4376043AProcess of treating dust containing zinc and lead and derived in an iron or steel making processESTEL HOOGOVENS BV·Filed 1981·Granted Mar 8, 1983·11 cites·2 claims
- 1441US4371334AShaft furnace, particularly the refractory construction of the bottom thereofESTEL HOOGOVENS BV·Filed 1981·Granted Feb 1, 1983·3 cites·9 claims
- 1535US4398999ACoke-oven battery having tie cooking membersESTEL HOOGOVENS BV·Filed 1982·Granted Aug 16, 1983·3 cites·6 claims
- 1635US4387004ASeal for a coke oven doorESTEL HOOGOVENS BV·Filed 1981·Granted Jun 7, 1983·3 cites·9 claims
- 1734US4456157AConnection arrangement for a spout and an immersion nozzle, both of refractory materialESTEL HOOGOVENS BV·Filed 1982·Granted Jun 26, 1984·5 cites·6 claims
- 1833US4441935AApparatus and method for scarfingESTEL HOOGOVENS BV·Filed 1982·Granted Apr 10, 1984·6 cites·10 claims
- 1931US4664750AMethod for coke quenching controlESTEL HOOGOVENS BV·Filed 1980·Granted May 12, 1987·4 cites·3 claims
- 2031US4456083ABlast furnace taphole drillESTEL HOOGOVENS BV·Filed 1981·Granted Jun 26, 1984·5 cites·3 claims
- 2126US4436508ACeramic burner for gas, particularly for a hot-blast stove for a blast furnaceESTEL HOOGOVENS BV·Filed 1982·Granted Mar 13, 1984·1 cites·7 claims
- 2224US4378547AElectromagnetESTEL HOOGOVENS BV·Filed 1980·Granted Mar 29, 1983·5 cites·8 claims
- 2323US4412479AGas flow arrangementESTEL HOOGOVENS BV·Filed 1981·Granted Nov 1, 1983·3 cites·8 claims
- 2422US4350324AMethod of removal of slag deposits from the bottom of a furnaceESTEL HOOGOVENS BV·Filed 1980·Granted Sep 21, 1982·3 cites·5 claims
- 2511US4300616AManufacture of cast-iron ingot mouldsESTEL HOOGOVENS BV·Filed 1979·Granted Nov 17, 1981·0 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →