P

Inventor

STEPHAN WALDEMAR

DE11 patents
⚠️ This page may combine multiple inventors who share the name “STEPHAN WALDEMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WILO GMBH

7 patents
US6474951B2Nov 5, 2002

Controller for pump and valve

WILO GMBH39 citations91
US6276946B1Aug 21, 2001

Plug-in connection for electric motors

WILO GMBH23 citations91
US6175173B1Jan 16, 2001

Tube pump

WILO GMBH53 citations91
US6473562B1Oct 29, 2002

Method for low-speed operation of brushless DC motors

WILO GMBH18 citations82
US6342770B1Jan 29, 2002

Method for starting brushless DC motors

WILO GMBH19 citations76
US6801031B1Oct 5, 2004

Method and apparatus for current measurement for electronically-controlled pump

WILO GMBH10 citations72
US6327424B1Dec 4, 2001

Method of and circuit for operating a motor using power transistors

WILO GMBH2 citations61

PIERBURG GMBH

2 patents
US8360755B2Jan 29, 2013

Wet-running pump

PIERBURG GMBH4 citations61
US7646159B2Jan 12, 2010

Electrically commutated motor and method for controlling said motor

PIERBURG GMBH0 citations38

PIERBURG AG

1 patent
US6272923B1Aug 14, 2001

Determining fill level of engine cooling system

PIERBURG AG4 citations61

STEPHAN WALDEMAR

1 patent
US8392060B2Mar 5, 2013

Method for feedback of states of an electric component to an engine control device of an internal combustion engine

STEPHAN WALDEMAR0 citations36