Hans Rothfuss

Person

Wiesbaden, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Refractory purging devices
- Patent number 9,469,882
- Issue date Oct 18, 2016
- Vesuvius Crucible Company
- Hans Rothfuss
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Crack resistant valve plate for a slide gate valve
- Patent number 6,814,268
- Issue date Nov 9, 2004
- Vesuvius Crucible Company
- Hans K. Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fireproof plate and a clamping device for a sliding gate at the out...
- Patent number 6,092,701
- Issue date Jul 25, 2000
- Stopinc AG
- Rolf Waltenspuhl
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for inductive heating of ceramic shaped parts
- Patent number 5,413,744
- Issue date May 9, 1995
- Didier-Werke AG
- Raimund Bruckner
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tapping pipe and system for a converter or electric arc furnace
- Patent number 5,310,164
- Issue date May 10, 1994
- Didier-Werke AG
- Hans Rothfuss
- C21 - METALLURGY OF IRON
Information Patent Grant
Gas injection stone and process of manufacture thereof
- Patent number 5,279,993
- Issue date Jan 18, 1994
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory joint packing for an annular gap in a metallurgical vessel
- Patent number 5,249,811
- Issue date Oct 5, 1993
- Didier-Werke AG
- Raimund Bruckner
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Means and method for determining the degree of wear of a gas inject...
- Patent number 5,202,079
- Issue date Apr 13, 1993
- Didier-Werke AG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for manufacturing and preheating a shaped ceramic part
- Patent number 5,190,716
- Issue date Mar 2, 1993
- Didier-Werke AG
- Raimund Bruckner
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for use in replacing a worn pouring pipe and for adjustin...
- Patent number 5,173,199
- Issue date Dec 22, 1992
- Didier-Werke AG
- Raimund Bruckner
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gas flushing apparatus for metallurgical vessel
- Patent number 5,160,478
- Issue date Nov 3, 1992
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for manufacturing a composite assembly of ceramic and steel
- Patent number 5,152,048
- Issue date Oct 6, 1992
- Didier-Werke AG
- Raimund Bruckner
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Gas flushing device including perforated brick and gas flushing sto...
- Patent number 5,127,632
- Issue date Jul 7, 1992
- Didier-Werke AG
- Udo Muschner
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sealing structure for use in guiding molten metal from a metallurgi...
- Patent number 5,106,106
- Issue date Apr 21, 1992
- Didier-Werke AG
- Raimund Bruckner
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for mounting a gas washing sink in a centered manner in a...
- Patent number 5,056,762
- Issue date Oct 15, 1991
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for mounting a gas washing sink in a centered manner in p...
- Patent number 5,007,621
- Issue date Apr 16, 1991
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for repairing a perforated brick in a metallurgical vessel
- Patent number 4,995,596
- Issue date Feb 26, 1991
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tap spout for metallurgical vessels and method of repairing
- Patent number 4,984,769
- Issue date Jan 15, 1991
- Didier-Werke AG
- Raimund Bruckner
- C21 - METALLURGY OF IRON
Information Patent Grant
Gas washing sink without integral closure member
- Patent number 4,978,108
- Issue date Dec 18, 1990
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Safety-type gas washing sink having improved heat dissipation prope...
- Patent number 4,971,295
- Issue date Nov 20, 1990
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory ceramic sink
- Patent number 4,905,971
- Issue date Mar 6, 1990
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory wear parts for sliding closure units
- Patent number 4,789,086
- Issue date Dec 6, 1988
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gas washing device with reduced gas flow upon wear of gas sink
- Patent number 4,779,849
- Issue date Oct 25, 1988
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gas washing device
- Patent number 4,711,432
- Issue date Dec 8, 1987
- Didier-Werke AG
- Michael Heinz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gas scavenging apparatus for metallurgical vessels
- Patent number 4,695,043
- Issue date Sep 22, 1987
- Didier-Werke AG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Unfired refractory structural member in the form of a plate for use...
- Patent number 4,545,568
- Issue date Oct 8, 1985
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
REFRACTORY PURGING DEVICES
- Publication number 20140300036
- Publication date Oct 9, 2014
- Vesuvius Crucible Company
- Hans Rothfuss
- C21 - METALLURGY OF IRON
Information Patent Application
Crack resistant valve plate for a slide gate valve
- Publication number 20020189676
- Publication date Dec 19, 2002
- Hans K. Rothfuss
- B22 - CASTING POWDER METALLURGY

Hans Rothfuss

Person

Patents Grantslast 30 patents

Refractory purging devices

Crack resistant valve plate for a slide gate valve

Fireproof plate and a clamping device for a sliding gate at the out...

Process for inductive heating of ceramic shaped parts

Tapping pipe and system for a converter or electric arc furnace

Gas injection stone and process of manufacture thereof

Refractory joint packing for an annular gap in a metallurgical vessel

Means and method for determining the degree of wear of a gas inject...

Process for manufacturing and preheating a shaped ceramic part

Apparatus for use in replacing a worn pouring pipe and for adjustin...

Gas flushing apparatus for metallurgical vessel

Process for manufacturing a composite assembly of ceramic and steel

Gas flushing device including perforated brick and gas flushing sto...

Sealing structure for use in guiding molten metal from a metallurgi...

Apparatus for mounting a gas washing sink in a centered manner in a...

Apparatus for mounting a gas washing sink in a centered manner in p...

Apparatus for repairing a perforated brick in a metallurgical vessel

Tap spout for metallurgical vessels and method of repairing

Gas washing sink without integral closure member

Safety-type gas washing sink having improved heat dissipation prope...

Refractory ceramic sink

Refractory wear parts for sliding closure units

Gas washing device with reduced gas flow upon wear of gas sink

Gas washing device

Gas scavenging apparatus for metallurgical vessels

Unfired refractory structural member in the form of a plate for use...

Patents Applicationslast 30 patents

REFRACTORY PURGING DEVICES

Crack resistant valve plate for a slide gate valve