Assignee
HOOGOVENS IJMUIDEN BV
43 granted patents·412 citations·filing 1973–1986
Top patents by PatentIndex Score
43 records- 0190US3953007AWall construction of a shaft furnaceHOOGOVENS IJMUIDEN BV·Filed 1974·Granted Apr 27, 1976·33 cites·10 claims
- 0285US4143104ARepairing damaged refractory walls by gunningHOOGOVENS IJMUIDEN BV·Filed 1977·Granted Mar 6, 1979·66 cites·1 claims
- 0368US4390346AApparatus for mixing at least one additional gas into a main flow of gasHOOGOVENS IJMUIDEN BV·Filed 1981·Granted Jun 28, 1983·25 cites·7 claims
- 0467US4186665ALocomotive engine housing arrangementHOOGOVENS IJMUIDEN BV·Filed 1977·Granted Feb 5, 1980·21 cites·7 claims
- 0562US4213577AExpandable coiler mandrelHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Jul 22, 1980·12 cites·7 claims
- 0661US4305678ACoupling for a mill rollHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Dec 15, 1981·19 cites·3 claims
- 0756US4287983AConveyors having a plurality of driven endless chainsHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Sep 8, 1981·18 cites·4 claims
- 0853US4294431AMethod of providing and maintaining a wear-lining of a steel converter and a steel converter having such a liningHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Oct 13, 1981·8 cites·9 claims
- 0951US4373320APacking line for packing stacks of rectangular tinplate sheets on palletsHOOGOVENS IJMUIDEN BV·Filed 1981·Granted Feb 15, 1983·18 cites·5 claims
- 1051US3984089ACooled refractory lined shaft furnace and stave-cooler to be used thereforeHOOGOVENS IJMUIDEN BV·Filed 1974·Granted Oct 5, 1976·10 cites·10 claims
- 1148US4292993AClosure plate for hot blast slide valvesHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Oct 6, 1981·7 cites·6 claims
- 1247US4165261AApparatus for cleaning a coke oven doorHOOGOVENS IJMUIDEN BV·Filed 1977·Granted Aug 21, 1979·8 cites·6 claims
- 1347US4067264ALocomotive cab running boardsHOOGOVENS IJMUIDEN BV·Filed 1976·Granted Jan 10, 1978·13 cites·3 claims
- 1446US4231845AEquipment for emission-free operation of a coking plantHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Nov 4, 1980·6 cites·2 claims
- 1545US4332554AShaft furnace having cooling platesHOOGOVENS IJMUIDEN BV·Filed 1980·Granted Jun 1, 1982·6 cites·13 claims
- 1645US4219390AMethod for the regeneration of a tinning electrolyteHOOGOVENS IJMUIDEN BV·Filed 1978·Granted Aug 26, 1980·11 cites·2 claims
- 1744US4194434ADevice for controlling a longitudinally movable driving meansHOOGOVENS IJMUIDEN BV·Filed 1977·Granted Mar 25, 1980·10 cites·6 claims
- 1843US4214735APressure measurement in a hood above a converter for manufacturing steelHOOGOVENS IJMUIDEN BV·Filed 1978·Granted Jul 29, 1980·3 cites·4 claims
- 1943US4021309AAutomatic coke oven plant with means to insure sufficient cokingHOOGOVENS IJMUIDEN BV·Filed 1974·Granted May 3, 1977·6 cites·4 claims
- 2042US4051213AProcess for pressing briquettes from fine-grained fluorspar and pressed briquettes thus obtainedHOOGOVENS IJMUIDEN BV·Filed 1975·Granted Sep 27, 1977·4 cites·3 claims
- 2142US4022409AElectrically driven apparatus for operating a railwayHOOGOVENS IJMUIDEN BV·Filed 1976·Granted May 10, 1977·11 cites·11 claims
- 2240US4149706ASlag shield for a steel converterHOOGOVENS IJMUIDEN BV·Filed 1978·Granted Apr 17, 1979·6 cites·4 claims
- 2338US4046542AMethod and device for granulating blast furnace slagHOOGOVENS IJMUIDEN BV·Filed 1976·Granted Sep 6, 1977·6 cites·6 claims
- 2436US4366885AProtective strip for a road vehicle, and a road vehicle having such a stripHOOGOVENS IJMUIDEN BV·Filed 1980·Granted Jan 4, 1983·10 cites·10 claims
- 2536US4305450AApparatus for checking the operation of a plurality of liquid sprays in a continuous casting apparatusHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Dec 15, 1981·4 cites·10 claims
- 2636US4291854ARail system having wheel-engaged hydraulic piston-and-cylinder assembly, and such an assemblyHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Sep 29, 1981·7 cites·8 claims
- 2736US4203547ARailway level crossingHOOGOVENS IJMUIDEN BV·Filed 1978·Granted May 20, 1980·13 cites·4 claims
- 2835US4230807AMethod for regenerating a weak base anion exchangerHOOGOVENS IJMUIDEN BV·Filed 1976·Granted Oct 28, 1980·6 cites·8 claims
- 2934US4261274ADeformation properties of the edge of a deep-drawn metal canHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Apr 14, 1981·6 cites·4 claims
- 3033US4290764AMethod and apparatus for folding a cardboard sheet along a straight fold lineHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Sep 22, 1981·4 cites·9 claims
- 3130US4754591AConstruction and repair of refractory structures, in particular heated structuresHOOGOVENS IJMUIDEN BV·Filed 1986·Granted Jul 5, 1988·4 cites·6 claims
- 3229US4073390AShip loading systemHOOGOVENS IJMUIDEN BV·Filed 1976·Granted Feb 14, 1978·7 cites·11 claims
- 3327US4193867AOperation of a two-phase reactorHOOGOVENS IJMUIDEN BV·Filed 1975·Granted Mar 18, 1980·3 cites·11 claims
- 3426US4139183ARefractory-lined shaft furnace containing free carbonHOOGOVENS IJMUIDEN BV·Filed 1976·Granted Feb 13, 1979·0 cites·6 claims
- 3525US4375956AHot blast stove arrangement for a blast furnaceHOOGOVENS IJMUIDEN BV·Filed 1980·Granted Mar 8, 1983·7 cites·3 claims
- 3624US4078776ASupport construction for a horizontal conduit, which is connected to a vesselHOOGOVENS IJMUIDEN BV·Filed 1976·Granted Mar 14, 1978·1 cites·13 claims
- 3721US3960615AWeldable bar, especially for use in reinforcing concreteHOOGOVENS IJMUIDEN BV·Filed 1974·Granted Jun 1, 1976·4 cites·5 claims
- 3820US4103978ALiquid passage through a machine-partHOOGOVENS IJMUIDEN BV·Filed 1976·Granted Aug 1, 1978·4 cites·9 claims
- 3920US3961032AMethod for cleaning gases and vaporsHOOGOVENS IJMUIDEN BV·Filed 1974·Granted Jun 1, 1976·2 cites·5 claims
- 4017US4255239AMethod for making tinned steel plate free from surface graphiteHOOGOVENS IJMUIDEN BV·Filed 1979·Granted Mar 10, 1981·1 cites·9 claims
- 4117US3959082AMethod of operating a battery of coke ovensHOOGOVENS IJMUIDEN BV·Filed 1973·Granted May 25, 1976·1 cites·5 claims
- 4215US4234390ASystem for control of a coking plantHOOGOVENS IJMUIDEN BV·Filed 1978·Granted Nov 18, 1980·1 cites·1 claims
- 4311US4087082ADevice for exchanging and/or repairing the down spout and seating brick in a steel ladleHOOGOVENS IJMUIDEN BV·Filed 1977·Granted May 2, 1978·0 cites·4 claims
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