Stephan Waldemar

Person

Dortmund, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for feedback of states of an electric component to an engine...
- Patent number 8,392,060
- Issue date Mar 5, 2013
- Pierburg GmbH
- Waldemar Stephan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Wet-running pump
- Patent number 8,360,755
- Issue date Jan 29, 2013
- Pierburg GmbH
- Waldemar Stephan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electrically commutated motor and method for controlling said motor
- Patent number 7,646,159
- Issue date Jan 12, 2010
- Pierburg GmbH
- Matthias Markmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controller for pump and valve
- Patent number 6,474,951
- Issue date Nov 5, 2002
- Wilo GmbH
- Waldemar Stephan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method for low-speed operation of brushless DC motors
- Patent number 6,473,562
- Issue date Oct 29, 2002
- Wilo GmbH
- Waldemar Stephan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for starting brushless DC motors
- Patent number 6,342,770
- Issue date Jan 29, 2002
- Wilo GmbH
- Waldemar Stephan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of and circuit for operating a motor using power transistors
- Patent number 6,327,424
- Issue date Dec 4, 2001
- Wilo GmbH
- Waldemar Stephan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Plug-in connection for electric motors
- Patent number 6,276,946
- Issue date Aug 21, 2001
- Wilo GmbH
- Waldemar Stephan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Determining fill level of engine cooling system
- Patent number 6,272,923
- Issue date Aug 14, 2001
- Pierburg Aktiengesellschaft
- Waldemar Stephan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Tube pump
- Patent number 6,175,173
- Issue date Jan 16, 2001
- Wilo GmbH
- Waldemar Stephan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR FEEDBACK OF STATES OF AN ELECTRIC COMPONENT TO AN ENGINE...
- Publication number 20100174441
- Publication date Jul 8, 2010
- PIERBURG GMBH
- Waldemar Stephan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
WET-RUNNING PUMP
- Publication number 20090232675
- Publication date Sep 17, 2009
- Stephan Waldemar
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Electrically Commutated Motor and Method for Controlling Said Motor
- Publication number 20080106226
- Publication date May 8, 2008
- Matthias Markmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Controller for pump and valve
- Publication number 20010054395
- Publication date Dec 27, 2001
- WILO GmbH
- Waldemar Stephan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Stephan Waldemar

Person

Patents Grantslast 30 patents

Method for feedback of states of an electric component to an engine...

Wet-running pump

Electrically commutated motor and method for controlling said motor

Controller for pump and valve

Method for low-speed operation of brushless DC motors

Method for starting brushless DC motors

Method of and circuit for operating a motor using power transistors

Plug-in connection for electric motors

Determining fill level of engine cooling system

Tube pump

Patents Applicationslast 30 patents

METHOD FOR FEEDBACK OF STATES OF AN ELECTRIC COMPONENT TO AN ENGINE...

WET-RUNNING PUMP

Electrically Commutated Motor and Method for Controlling Said Motor

Controller for pump and valve