Inventor · disambiguated record
Franz-Josef Irnich
Also filed as: IRNICH FRANZ-JOSEF
7 granted patents·1 pending application·54 citations·filing 1994–2008
83Inventor score
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8 records- 0180US6580744B1Feed device for a shaft furnaceZIMMERMANN & JANSEN GMBH·Filed 2000·Granted Jun 17, 2003·18 cites·16 claims
- 0260US8071014B2Apparatus and method for closing or opening an opening, especially a bottom opening of a material hopper for a blast furnace, and blast furnace having such an apparatusIRNICH FRANZ-JOSEF·Filed 2008·Granted Dec 6, 2011·1 cites·13 claims
- 0349US7156371B2Device for opening or closing an opening, in particular a bottom opening of a material bunker for a blast furnaceZ&J TECHNOLOGIES GMBH·Filed 2004·Granted Jan 2, 2007·2 cites·8 claims
- 0448US6948930B2Furnace head or furnace throat sealZ&J TECHNOLOGIES GMBH·Filed 2004·Granted Sep 27, 2005·5 cites·9 claims
- 0546US5551666AButterfly flap valveZIMMERMANN & JANSEN GMBH·Filed 1994·Granted Sep 3, 1996·14 cites·3 claims
- 0636US6415811B1Cooled slider plate, particularly a water-cooled hot air slider plateZIMMERMANN & JANSEN GMBH·Filed 1994·Granted Jul 9, 2002·9 cites·16 claims
- 0736US2005063803A1Device for the distribution of loose material into at least two hoppers arranged above the mouth of a blast furnaceFiled 2004·Application pending·0 cites
- 0831US5667196ASlide valve to close large fluid conduits, in particular double-disk slide valveZIMMERMANN & JANSEN GMBH·Filed 1995·Granted Sep 16, 1997·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →