Manfred Winkelmann

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Stopper for a metallurgical melting pot
- Patent number 7,910,050
- Issue date Mar 22, 2011
- Refractory Intellectual Property GmbH & Co. KG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY
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
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 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
Flow starting tube for initiating the flow of molten material from...
- Patent number 5,097,995
- Issue date Mar 24, 1992
- Stopinc Aktiengesellschaft
- Clemens Zybok
- 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
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 plate assembly including replaceable refractory erosion...
- Patent number 4,911,338
- Issue date Mar 27, 1990
- Didier-Werke AG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory immersion tube providing laminar flow of molten metal
- Patent number 4,730,754
- Issue date Mar 15, 1988
- Didier-Werke AG
- Heinz Buhr
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory plate formed with expansion joints
- Patent number 4,728,013
- Issue date Mar 1, 1988
- Didier-Werke AG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sleeve for blowing solid materials into a molten metal bath and met...
- Patent number 4,721,287
- Issue date Jan 26, 1988
- Didier-Werke AG
- Manfred Winkelmann
- 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
Casing assembly for injecting material into a metallurgical vessel
- Patent number 4,709,905
- Issue date Dec 1, 1987
- Didier-Werke AG
- Manfred Winkelmann
- 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

Patents Applicationslast 30 patents

Information Patent Application
STOPPER FOR A METALLURGICAL MELTING POT
- Publication number 20100044402
- Publication date Feb 25, 2010
- Refractory Intellectual Property GmbH & Co. KG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Stopper Device for Controlling a Flow of Moten Metal
- Publication number 20080169318
- Publication date Jul 17, 2008
- Refractory Intellectual Property GmbH & Co. KG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY

Manfred Winkelmann

Person

Patents Grantslast 30 patents

Stopper for a metallurgical melting pot

Gas injection stone and process of manufacture thereof

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

Process for manufacturing a composite assembly of ceramic and steel

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

Flow starting tube for initiating the flow of molten material from...

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...

Gas washing sink without integral closure member

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

Refractory plate assembly including replaceable refractory erosion...

Refractory immersion tube providing laminar flow of molten metal

Refractory plate formed with expansion joints

Sleeve for blowing solid materials into a molten metal bath and met...

Gas washing device

Casing assembly for injecting material into a metallurgical vessel

Gas scavenging apparatus for metallurgical vessels

Patents Applicationslast 30 patents

STOPPER FOR A METALLURGICAL MELTING POT

Stopper Device for Controlling a Flow of Moten Metal