Franz-Josef Irnich

Person

Hurtgenwal-Gey, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for closing or opening an opening, especially...
- Patent number 8,071,014
- Issue date Dec 6, 2011
- Z&J Technologies GmbH
- Franz-Josef Irnich
- C21 - METALLURGY OF IRON
Information Patent Grant
Device for opening or closing an opening, in particular a bottom op...
- Patent number 7,156,371
- Issue date Jan 2, 2007
- Z&J Technologies GmbH
- Frank Engl
- C21 - METALLURGY OF IRON
Information Patent Grant
Furnace head or furnace throat seal
- Patent number 6,948,930
- Issue date Sep 27, 2005
- Z&J Technologies GmbH
- Ekkehard Brzoska
- C21 - METALLURGY OF IRON
Information Patent Grant
Feed device for a shaft furnace
- Patent number 6,580,744
- Issue date Jun 17, 2003
- Zimmermann & Jansen GmbH
- Franz-Josef Irnich
- C21 - METALLURGY OF IRON
Information Patent Grant
Cooled slider plate, particularly a water-cooled hot air slider plate
- Patent number 6,415,811
- Issue date Jul 9, 2002
- Zimmermann & Jansen GmbH
- Franz-Josef Irnich
- C21 - METALLURGY OF IRON
Information Patent Grant
Slide valve to close large fluid conduits, in particular double-dis...
- Patent number 5,667,196
- Issue date Sep 16, 1997
- Zimmermann & Jansen GmbH
- Franz-Josef Irnich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Butterfly flap valve
- Patent number 5,551,666
- Issue date Sep 3, 1996
- Zimmerman & Jansen GmbH
- Franz-Josef Irnich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and Method for Closing or Opening an Opening, Especially...
- Publication number 20080302796
- Publication date Dec 11, 2008
- Z & J Technologies GmbH
- Franz-Josef Irnich
- C21 - METALLURGY OF IRON
Information Patent Application
Device for opening or closing an opening, in particular a bottom op...
- Publication number 20040262324
- Publication date Dec 30, 2004
- Frank Engl
- C21 - METALLURGY OF IRON
Information Patent Application
Furnace head or furnace throat seal
- Publication number 20040265766
- Publication date Dec 30, 2004
- Ekkehard Brzoska
- C21 - METALLURGY OF IRON

Franz-Josef Irnich

Person

Patents Grantslast 30 patents

Apparatus and method for closing or opening an opening, especially...

Device for opening or closing an opening, in particular a bottom op...

Furnace head or furnace throat seal

Feed device for a shaft furnace

Cooled slider plate, particularly a water-cooled hot air slider plate

Slide valve to close large fluid conduits, in particular double-dis...

Butterfly flap valve

Patents Applicationslast 30 patents

Apparatus and Method for Closing or Opening an Opening, Especially...

Device for opening or closing an opening, in particular a bottom op...

Furnace head or furnace throat seal