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Gutehoffnungshutte Sterkrade A.G.
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Oberhausen 11, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for limiting the end thrust of turbo compresso...
Patent number
4,384,818
Issue date
May 24, 1983
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Wilfried Blotenberg
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Apparatus for the generation of compressed air
Patent number
4,341,506
Issue date
Jul 27, 1982
Gutehoffnungshutte Sterkrade A.G.
Rudiger Klein
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Process and apparatus for prevention of surging in turbocompressors
Patent number
4,298,310
Issue date
Nov 3, 1981
Gutehoffnungshutte Sterkrade A.G.
Wilfried Blotenberg
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Positive control system for piston compressor valves
Patent number
4,297,083
Issue date
Oct 27, 1981
Gutehoffnungshutte Sterkrade A.G.
Curt von Petery
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Spherical joint for connecting a concrete tower supporting a water...
Patent number
4,266,888
Issue date
May 12, 1981
Gutehoffnungshutte Sterkrade AG
Karl Bayer
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Scraper chain conveyor with rack for the chainless feed of winning...
Patent number
4,256,345
Issue date
Mar 17, 1981
Gutehoffnungshutte Sterkrade A.G.
Karl-Heinz Schwarting
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cooling device for smelting plants
Patent number
4,249,723
Issue date
Feb 10, 1981
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Bruno Kammerling
C21 - METALLURGY OF IRON
Information
Patent Grant
Composite underground fluid conduit of concrete and steel sections
Patent number
4,241,762
Issue date
Dec 30, 1980
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Heinz Link
E21 - EARTH DRILLING MINING
Information
Patent Grant
Power shovel
Patent number
4,239,444
Issue date
Dec 16, 1980
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Michael Schmelzer
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydromechanical planer with cutting and breaking heads
Patent number
4,239,290
Issue date
Dec 16, 1980
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Heinrich Goris
E21 - EARTH DRILLING MINING
Information
Patent Grant
Extensible telescopic coal bunker for subsurface mining
Patent number
4,236,630
Issue date
Dec 2, 1980
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Gunter Sander
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Bucket conveyor
Patent number
4,227,609
Issue date
Oct 14, 1980
Gutehoffnungshutte Sterkrade A.G.
Roland Gunther
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Cooling plate for a furnace in a metallurgical plant
Patent number
4,217,954
Issue date
Aug 19, 1980
Gutehoffnungshutte Sterkrade Aktiengesellschaft
August Vincent
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for regulating the output quantity of compressed...
Patent number
4,212,599
Issue date
Jul 15, 1980
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Heinz Lantermann
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Mixing car for transporting molten metals
Patent number
4,200,400
Issue date
Apr 29, 1980
Gutehoffnungshutte Sterkrade A.G.
Winfried Laubach
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Mining method and mining machine for cutting away hard mineral mate...
Patent number
4,181,363
Issue date
Jan 1, 1980
Gutehoffnungshutte Sterkrade A.G.
Heinrich Goris
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for extending the working range of axial flow compressors
Patent number
4,116,584
Issue date
Sep 26, 1978
Gutehoffnungshutte Sterkrade AG
Karl Bammert
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Diffusion barrier and separation substance for metal parts adjoinin...
Patent number
4,104,096
Issue date
Aug 1, 1978
Laboratoire Suisse de Recherches Horlogeries
Hans Gass
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Gas-sealed contact-free shaft seal
Patent number
4,097,052
Issue date
Jun 27, 1978
Gutehoffnungshutte Sterkrade A. G.
Manfred Heinen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
High-speed rotation system
Patent number
4,091,687
Issue date
May 30, 1978
Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
Peter Meinke
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Floating dry dock with lifting pontoons
Patent number
4,084,529
Issue date
Apr 18, 1978
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Helmut Katernberg
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Diffusion barrier and separation substance for metal parts adjoinin...
Patent number
4,072,797
Issue date
Feb 7, 1978
Laboratoire Suisse de Recherches Horlogeres
Hans Gass
C21 - METALLURGY OF IRON
Information
Patent Grant
Gas-sealed shaft packing
Patent number
4,071,253
Issue date
Jan 31, 1978
Gutehoffnungshutte Sterkrade A. G.
Manfred Heinen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mixer truck for shipping molten metals
Patent number
4,069,975
Issue date
Jan 24, 1978
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Winfried Laubach
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method and apparatus for avoiding the emission of carbon monoxide f...
Patent number
4,054,274
Issue date
Oct 18, 1977
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Winfried Hogner
C21 - METALLURGY OF IRON
Information
Patent Grant
Roller bearing construction
Patent number
4,039,229
Issue date
Aug 2, 1977
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Karlheinz Ohlberg
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lubricating and sealing liquid for a high pressure compressor
Patent number
3,960,245
Issue date
Jun 1, 1976
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Hellmut Weinrich
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Tubular apparatus, in particular a steam generator
Patent number
3,937,277
Issue date
Feb 10, 1976
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Siegfried Krolmann
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Multi-stage axial flow compressor
Patent number
3,937,592
Issue date
Feb 10, 1976
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Karl Bammert
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Procedure and device suitable for the speed control of a closed gas...
Patent number
3,932,996
Issue date
Jan 20, 1976
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Karl Bammert
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73233075
Serial number
73233075
Registration number
1150827
Filing date
Sep 28, 1979
Gutehoffnungshutte Sterkrade A.G.
7 - Machines and machine tools
Information
Trademark
73219999
Serial number
73219999
Registration number
1172861
Filing date
Jun 18, 1979
Gutehoffnungshutte Sterkrade A.G.
7 - Machines and machine tools
Information
Trademark
73175693 - TURBOLOG
Serial number
73175693
Registration number
1203408
Filing date
Jun 22, 1978
Gutehoffnungshutte Sterkrade A.G.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments