Inventor · disambiguated record
Ralph Weber
Also filed as: WEBER RALPH · WEBER RALPH G · WEBER RALPH GOTTFRIED
21 granted patents·4 pending applications·353 citations·filing 1979–2020
95Inventor score
Files withKORTEC AG8KORF STAHL3BAYER IP GMBH2COVESTRO DEUTSCHLAND AG2BAYER TECHNOLOGY SERVICES GMBH1
Top patents by PatentIndex Score
25 records- 0195US6322745B1Direct smelting vessel and direct smelting processTECH RESOURCES PTY LTD·Filed 2000·Granted Nov 27, 2001·59 cites·24 claims
- 0291US4946498AProcess for the production of steel from fine ore hot briquetted after fluidized bed reductionWEBER RALPH·Filed 1989·Granted Aug 7, 1990·64 cites·7 claims
- 0388US10294198B2Method for producing xylylene diisocyanates in the gaseous phaseCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted May 21, 2019·3 cites·12 claims
- 0487US4448402AApparatus for directly making liquid pig-iron from coarse iron oreKORF ENGINEERING GMBH·Filed 1983·Granted May 15, 1984·33 cites·7 claims
- 0586US8398949B2Carbon nanotube powder, carbon nanotubes, and processes for their productionMEYER HELMUT·Filed 2008·Granted Mar 19, 2013·15 cites·14 claims
- 0685US4389043AMetallurgical melting and refining unitKORF IND HANDEL·Filed 1980·Granted Jun 21, 1983·39 cites·14 claims
- 0783US4317677AProcess for producing liquid crude iron and reduction gasKORF STAHL·Filed 1979·Granted Mar 2, 1982·28 cites·25 claims
- 0874US4409023AProcess for directly making liquid pig-iron from coarse iron oreKORF STAHL·Filed 1981·Granted Oct 11, 1983·17 cites·7 claims
- 0973US4392637AMetallurgical melting apparatus with a blow-nozzle or burner capable of swivelling in different directionsKORF STAHL·Filed 1981·Granted Jul 12, 1983·18 cites·12 claims
- 1072US9422162B2Carbon nanotube agglomerateHOCKE HEIKO·Filed 2010·Granted Aug 23, 2016·3 cites·8 claims
- 1168US4949940ACharging arrangement for shaft furnaces, in particular blast furnacesKORTEC AG·Filed 1989·Granted Aug 21, 1990·11 cites·8 claims
- 1268US4852858ACharging material preheater for preheating charging material for a metallurgical smelting unitKORTEC AG·Filed 1988·Granted Aug 1, 1989·27 cites·17 claims
- 1361US11795260B2Bulk material comprising solid diisocyanates and prepolymers containing urethane groups obtainable therefromCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Oct 24, 2023·0 cites·4 claims
- 1461US4881972AProcess for feeding heat energy into a molten metal bathKORTEC AG·Filed 1988·Granted Nov 21, 1989·11 cites·23 claims
- 1556US4586897AInstallation including a heating furnace for continuous castings, which are cut to length, from a continuous casting installationKORTEC AG·Filed 1985·Granted May 6, 1986·9 cites·10 claims
- 1651US5403378AMethod and apparatus for protecting an injection device disposed in a hot blast conduit of a blast furnaceKORTEC AG·Filed 1993·Granted Apr 4, 1995·8 cites·11 claims
- 1749US2010019201A1Hydrothermal process for producing nanosize to microsize particlesSTARCK H C GMBH·Filed 2007·Application pending·0 cites
- 1849US2010247944A1Hydrogen-permeable membrane made of a metal composite materialBAYER TECHNOLOGY SERVICES GMBH·Filed 2008·Application pending·0 cites
- 1944US7425234B2Iron oxide pigmentsLANXESS DEUTSCHLAND GMBH·Filed 2004·Granted Sep 16, 2008·0 cites·23 claims
- 2043US4736930AClosure apparatus for a tap holeKORTEC AG·Filed 1985·Granted Apr 12, 1988·5 cites·12 claims
- 2143US2013011328A1Preparation of cntsBAYER IP GMBH·Filed 2011·Application pending·0 cites
- 2238US10307727B2Method for processing hydrogen chloride from isocyanate preparationCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Jun 4, 2019·0 cites·5 claims
- 2337US5571475AReducing and smelting furnace having filter layerKORTEC AG·Filed 1994·Granted Nov 5, 1996·2 cites·13 claims
- 2436US2013039839A1Production of carbon nanotubesBAYER IP GMBH·Filed 2011·Application pending·0 cites
- 2533US5364448AProcess for the production of liquid metal from fine-grain metal oxide particles and reducing and smelting furnace for carrying out the processKORTEC AG·Filed 1992·Granted Nov 15, 1994·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →