Ruhrgas Aktiengesellschaft

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for the optical scanning of media, objects, or areas
- Patent number 7,483,192
- Issue date Jan 27, 2009
- E.ON RUHRGAS Aktiengesellschaft
- Matthias Ulbricht
- G01 - MEASURING TESTING
Information Patent Grant
Method for measuring the quantity of heat present in fuel gas
- Patent number 6,446,487
- Issue date Sep 10, 2002
- N.V. Nederlandse Gasunie
- Petrus J. M. M. Van Wesenbeeck
- G01 - MEASURING TESTING
Information Patent Grant
Method and device for drying a gas
- Patent number 6,425,942
- Issue date Jul 30, 2002
- Ruhrgas Aktiengesellschaft
- Randolf Ruediger Forster
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Noncombustive method of determining the calorific value of fuel gas
- Patent number 6,279,380
- Issue date Aug 28, 2001
- N. V. Nederlandese Gasunie
- Petrus J. M. M. Van Wesenbeeck
- G01 - MEASURING TESTING
Information Patent Grant
Method for measuring without combustion the heat value of fuel gas
- Patent number 6,244,097
- Issue date Jun 12, 2001
- N.V. Nederlandae Gasunie
- Peter Schley
- G01 - MEASURING TESTING
Information Patent Grant
Fuel combustion device and method
- Patent number 6,193,502
- Issue date Feb 27, 2001
- Ruhrgas Aktiengesellschaft
- Anatolij Vladimirovic Sudarev
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Automatic closing device for a shut-off device
- Patent number 5,913,326
- Issue date Jun 22, 1999
- Ruhrgas Aktiengesellschaft
- Gerhard Lembser
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device to control a gas-fired appliance
- Patent number 5,333,591
- Issue date Aug 2, 1994
- Ruhrgas Aktiengesellschaft
- Wilhelm Korsmeier
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of and system for cleaning the surface of furnace rollers of...
- Patent number 5,188,527
- Issue date Feb 23, 1993
- Ruhrgas Aktiengesellschaft
- Sahibzada S. R. Laiquddin
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
A burner with a flame retention device
- Patent number 5,055,032
- Issue date Oct 8, 1991
- Ruhrgas Aktiengesellschaft
- Detlef Altemark
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Gas burner
- Patent number 4,960,378
- Issue date Oct 2, 1990
- Ruhrgas Aktiengesellschaft
- Theo Jannemann
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method and apparatus for the measurement of gas properties
- Patent number 4,941,345
- Issue date Jul 17, 1990
- Ruhrgas Aktiengesellschaft
- Detlef Altemark
- G01 - MEASURING TESTING
Information Patent Grant
Cooled tubular assembly for industrial reheating furnace
- Patent number 4,886,450
- Issue date Dec 12, 1989
- Ruhrgas Aktiengesellschaft
- Helmut Heuss
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method and apparatus of operating pre-mixed burners
- Patent number 4,859,171
- Issue date Aug 22, 1989
- Ruhrgas Aktiengesellschaft
- Detlef Altemark
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Device for controlling the flow rate of a fuel gas/air mixture and/...
- Patent number 4,802,142
- Issue date Jan 31, 1989
- Ruhrgas Aktiengesellschaft
- Wilhelm Korsmeier
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Shut-off device in the form of a ball valve
- Patent number 4,749,002
- Issue date Jun 7, 1988
- Ruhrgas Aktiengesellschaft
- Gerhard Lembser
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Furnace for the heat treatment of work pieces
- Patent number 4,738,577
- Issue date Apr 19, 1988
- Ruhrgas Aktiengesellschaft
- Wolfgang Schalberger
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for preparing an existing buried conduit for repl...
- Patent number 4,723,873
- Issue date Feb 9, 1988
- Ruhrgas Aktiengesellschaft
- Laszlo Masznyik
- E21 - EARTH DRILLING MINING
Information Patent Grant
Storage water heater system
- Patent number 4,699,122
- Issue date Oct 13, 1987
- Ruhrgas Aktiengesellschaft
- Theo Jannemann
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Skid system for carrying a furnace charge
- Patent number 4,689,009
- Issue date Aug 25, 1987
- Ruhrgas Aktiengesellschaft
- Helmut Heuss
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method of and system for determining the ratio between the oxygen-c...
- Patent number 4,659,306
- Issue date Apr 21, 1987
- Ruhrgas Aktiengesellschaft
- Detlef Altemark
- G05 - CONTROLLING REGULATING
Information Patent Grant
Composition and a method for covering the sump in cavities
- Patent number 4,618,282
- Issue date Oct 21, 1986
- Ruhrgas Aktiengesellschaft
- Karl F. L. Gloria
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for the heat treatment of workpieces
- Patent number 4,612,065
- Issue date Sep 16, 1986
- Ruhrgas Aktiengesellschaft
- Friedhelm Kuhn
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the gasification of carbonaceous agglomerates in a fixe...
- Patent number 4,599,092
- Issue date Jul 8, 1986
- Ruhrgas Aktiengesellschaft
- Michael Eichelsbacher
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Hardening metal parts
- Patent number 4,596,610
- Issue date Jun 24, 1986
- Ruhrgas Aktiengesellschaft
- Friedhelm Kuhn
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat treatment furnace with crown-shaped transport path for the wor...
- Patent number 4,591,337
- Issue date May 27, 1986
- Ruhrgas Aktiengesellschaft
- Horst Gillhaus
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the conversion of nitrogen oxides contained in gaseous p...
- Patent number 4,585,631
- Issue date Apr 29, 1986
- Ruhrgas Aktiengesellschaft
- Roland Pfeiffer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Burner
- Patent number 4,582,476
- Issue date Apr 15, 1986
- Ruhrgas Aktiengesellschaft
- Detlef Altemark
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method of operating a controlled atmosphere furnace
- Patent number 4,579,523
- Issue date Apr 1, 1986
- Ruhrgas Aktiengesellschaft
- Sahibzada S. Laiquddin
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for increasing the heating value of fuel gas mixtures conta...
- Patent number 4,569,890
- Issue date Feb 11, 1986
- Ruhrgas Aktiengesellschaft
- Gunter Barthel
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Device and method for the optical scanning of media, objects, or areas
- Publication number 20070091409
- Publication date Apr 26, 2007
- E.ON RUHRGAS AKTIENGESELLSCHAFT
- Matthias Ulbricht
- G02 - OPTICS

Ruhrgas Aktiengesellschaft

Organization

Patents Grantslast 30 patents

Device and method for the optical scanning of media, objects, or areas

Method for measuring the quantity of heat present in fuel gas

Method and device for drying a gas

Noncombustive method of determining the calorific value of fuel gas

Method for measuring without combustion the heat value of fuel gas

Fuel combustion device and method

Automatic closing device for a shut-off device

Device to control a gas-fired appliance

Method of and system for cleaning the surface of furnace rollers of...

A burner with a flame retention device

Gas burner

Method and apparatus for the measurement of gas properties

Cooled tubular assembly for industrial reheating furnace

Method and apparatus of operating pre-mixed burners

Device for controlling the flow rate of a fuel gas/air mixture and/...

Shut-off device in the form of a ball valve

Furnace for the heat treatment of work pieces

Method and device for preparing an existing buried conduit for repl...

Storage water heater system

Skid system for carrying a furnace charge

Method of and system for determining the ratio between the oxygen-c...

Composition and a method for covering the sump in cavities

Method for the heat treatment of workpieces

Process for the gasification of carbonaceous agglomerates in a fixe...

Hardening metal parts

Heat treatment furnace with crown-shaped transport path for the wor...

Method for the conversion of nitrogen oxides contained in gaseous p...

Burner

Method of operating a controlled atmosphere furnace

Process for increasing the heating value of fuel gas mixtures conta...

Patents Applicationslast 30 patents

Device and method for the optical scanning of media, objects, or areas

Trademarklast 30 trademarks