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Duren, DE
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Patents Grants
last 30 patents
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
Apparatus for controlled adjustment of a stopper of a distributor c...
Patent number
5,118,084
Issue date
Jun 2, 1992
Zimmermann & Jansen GmbH
Friedhelm Paulus
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Stop valve for pipe bridge
Patent number
5,116,022
Issue date
May 26, 1992
Zimmermann & Jansen GmbH
Hans Genreith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Closing apparatus for the bottom pouring hole of a casting ladle
Patent number
5,110,018
Issue date
May 5, 1992
Zimmermann & Jansen
Josef Lothmann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Exact position feedback of double-acting power piston in hydraulic...
Patent number
4,572,054
Issue date
Feb 25, 1986
Zimmermann & Jansen GmbH
Heinz D. Hannes
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Machine for charging a glass melting tank furnace
Patent number
4,545,717
Issue date
Oct 8, 1985
Zimmermann & Jansen GmbH
Fritz Wittler
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for the exact position feedback of a double-acting power...
Patent number
4,478,129
Issue date
Oct 23, 1984
Zimmermann & Jansen GmbH
Heinz D. Hannes
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Method of controlling the nozzle damper of a metallurgical vessel
Patent number
4,355,787
Issue date
Oct 26, 1982
Zimmermann & Jansen GmbH
Heinz D. Hannes
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Compressed air dredge
Patent number
4,292,747
Issue date
Oct 6, 1981
Zimmermann & Jansen GmbH
Walter Hoppe
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Closure plate for hot blast slide valves
Patent number
4,292,993
Issue date
Oct 6, 1981
Hoogovens IJmuiden BV
Jacob Felthuis
C21 - METALLURGY OF IRON
Information
Patent Grant
High-temperature slide valve, especially hot-blast slide valve
Patent number
4,161,959
Issue date
Jul 24, 1979
Zimmermann & Jansen GmbH
Hermann Jansen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hot blast or hot gas valve
Patent number
4,146,213
Issue date
Mar 27, 1979
Zimmermann & Jansen
Donald H. Regelin
C21 - METALLURGY OF IRON
Information
Patent Grant
Water-cooled high-temperature slide valve, especially hot blast sli...
Patent number
3,941,186
Issue date
Mar 2, 1976
Zimmermann & Jansen GmbH
Heinz Schneider
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73625690 - ZJ
Serial number
73625690
Registration number
1478294
Filing date
Oct 17, 1986
ZIMMERMANN & JANSEN, G.M.B.H.
7 - Machines and machine tools
Information
Trademark
72240816 - ZJ
Serial number
72240816
Registration number
821028
Filing date
Mar 11, 1966
ZIMMERMANN & JANSEN, G.M.B.H.
6 - Common metals and their alloys