Michael Dettmers

Person

Kamen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Arrangement for the admission of pressurized water to spray systems
- Patent number 7,740,421
- Issue date Jun 22, 2010
- DBT GmbH
- Franz-Heinrich Suilmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Housing cover for switching solenoid housing
- Patent number 7,489,216
- Issue date Feb 10, 2009
- DBT GmbH
- Michael Dettmers
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Valve for hydraulic props of shield-type support frames, and shield...
- Patent number 7,428,861
- Issue date Sep 30, 2008
- DBT GmbH
- Michael Dettmers
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic shield support
- Patent number 7,237,983
- Issue date Jul 3, 2007
- DBT GmbH
- Franz-Heinrich Suilmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Intrinsically safe electrically magnetically operated hydraulic valve
- Patent number 6,779,776
- Issue date Aug 24, 2004
- DBT GmbH
- Franz-Heinrich Suilmann
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Electromagnet switching device
- Patent number 6,616,122
- Issue date Sep 9, 2003
- DBT GmbH
- Wolfgang Kobow
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulically operated directional control valve
- Patent number 6,609,539
- Issue date Aug 26, 2003
- DBT GmbH
- Werner Reinelt
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Powered support frame for large seam thicknesses with controlled ga...
- Patent number 6,481,933
- Issue date Nov 19, 2002
- DBT Deutsche Bergbau-Technik GmbH
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve arrangement
- Patent number 6,398,181
- Issue date Jun 4, 2002
- DBT Deutsche Bergbau-Technik GmbH
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulically trippable check valve for underground mine support hy...
- Patent number 6,073,654
- Issue date Jun 13, 2000
- DBT Deutsche Bergbau-Technik GmbH
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve device for use in electro-hydraulic control systems of mining...
- Patent number 5,427,142
- Issue date Jun 27, 1995
- Westfalia Becorit Industrietechnik GmbH
- Bernd Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve units for use in hydraulic control systems of mining equipment
- Patent number 5,159,872
- Issue date Nov 3, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Balanced hydraulic valve devices
- Patent number 5,157,947
- Issue date Oct 27, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Walter Weirich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Arrangement for emergency operation of hydraulic appliance in an el...
- Patent number 5,060,556
- Issue date Oct 29, 1991
- Gewerkschaft Eisenhutte Westfalia GmbH
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electro-magnetically operated valve devices
- Patent number 4,907,779
- Issue date Mar 13, 1990
- Gewerkschaft Eisenhutte Westfalia GmbH
- Michael Dettmers
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control of the actuation of hydraulic consumers
- Patent number 4,702,148
- Issue date Oct 27, 1987
- Gewerkschaft Eisenhutte Westfalia GmbH
- Willy Kussel
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic control arrangement
- Patent number 4,613,257
- Issue date Sep 23, 1986
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control apparatus
- Patent number 4,572,709
- Issue date Feb 25, 1986
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic control devices for use with mining apparatus
- Patent number 4,537,221
- Issue date Aug 27, 1985
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof supports
- Patent number 4,534,681
- Issue date Aug 13, 1985
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic control arrangement for a roof support unit of a mineral...
- Patent number 4,440,522
- Issue date Apr 3, 1984
- Gewerkschaft Eisenhutte Westfalia
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof supports
- Patent number 4,422,807
- Issue date Dec 27, 1983
- Gewerkschaft Eisenhutte Westfalia
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic control systems for mining apparatus
- Patent number 4,391,181
- Issue date Jul 5, 1983
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic roof support control system
- Patent number 4,327,628
- Issue date May 4, 1982
- Gewerkschaft Eisenhutte Westialia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic conduit systems for mine installations
- Patent number 4,247,226
- Issue date Jan 27, 1981
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tensioning a longwall mineral mining installation
- Patent number 4,169,689
- Issue date Oct 2, 1979
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ARRANGEMENT FOR THE ADMISSION OF PRESSURIZED WATER TO SPRAY SYSTEMS
- Publication number 20070158995
- Publication date Jul 12, 2007
- Franz-Heinrich Suilmann
- E21 - EARTH DRILLING MINING
Information Patent Application
Housing cover for switching solenoid housing
- Publication number 20070109083
- Publication date May 17, 2007
- Michael Dettmers
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Hydraulically switchable directional control valve
- Publication number 20060219306
- Publication date Oct 5, 2006
- Michael Dettmers
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Valve for hydraulic props of shield-type support frames, and shield...
- Publication number 20060213363
- Publication date Sep 28, 2006
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulic shield support
- Publication number 20040258487
- Publication date Dec 23, 2004
- DBT GmbH
- Franz-Heinrich Suilmann
- E21 - EARTH DRILLING MINING
Information Patent Application
Intrinsically safe electrically magnetically operated hydraulic valve
- Publication number 20030160200
- Publication date Aug 28, 2003
- Franz-Heinrich Suilmann
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Electromagnet switching device
- Publication number 20020130745
- Publication date Sep 19, 2002
- Wolfgang Kobow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Hydraulically operated directional control valve
- Publication number 20020069920
- Publication date Jun 13, 2002
- Werner Reinelt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Michael Dettmers

Person

Patents Grantslast 30 patents

Arrangement for the admission of pressurized water to spray systems

Housing cover for switching solenoid housing

Valve for hydraulic props of shield-type support frames, and shield...

Hydraulic shield support

Intrinsically safe electrically magnetically operated hydraulic valve

Electromagnet switching device

Hydraulically operated directional control valve

Powered support frame for large seam thicknesses with controlled ga...

Valve arrangement

Hydraulically trippable check valve for underground mine support hy...

Valve device for use in electro-hydraulic control systems of mining...

Valve units for use in hydraulic control systems of mining equipment

Balanced hydraulic valve devices

Arrangement for emergency operation of hydraulic appliance in an el...

Electro-magnetically operated valve devices

Control of the actuation of hydraulic consumers

Hydraulic control arrangement

Control apparatus

Hydraulic control devices for use with mining apparatus

Mine roof supports

Hydraulic control arrangement for a roof support unit of a mineral...

Mine roof supports

Hydraulic control systems for mining apparatus

Hydraulic roof support control system

Hydraulic conduit systems for mine installations

Tensioning a longwall mineral mining installation

Patents Applicationslast 30 patents

ARRANGEMENT FOR THE ADMISSION OF PRESSURIZED WATER TO SPRAY SYSTEMS

Housing cover for switching solenoid housing

Hydraulically switchable directional control valve

Valve for hydraulic props of shield-type support frames, and shield...

Hydraulic shield support

Intrinsically safe electrically magnetically operated hydraulic valve

Electromagnet switching device

Hydraulically operated directional control valve