P

Inventor

VOLLMER ROLF

DE76 patents
⚠️ This page may combine multiple inventors who share the name “VOLLMER ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEMENS AG

36 patents
US7141905B2Nov 28, 2006

Permanent magnet synchronous machine

SIEMENS AG61 citations96
US6483221B1Nov 19, 2002

Electric motor

SIEMENS AG76 citations95
US6879079B2Apr 12, 2005

Permanent magnet rotor electrical synchronous machine with different alternatively arranged tooth pitch widths

SIEMENS AG21 citations93
US6858965B2Feb 22, 2005

Stator for a synchronous machine

SIEMENS AG26 citations93
US6628031B2Sep 30, 2003

Harmonic-frequency synchronous machine with flux concentration

SIEMENS AG28 citations93
US8026640B2Sep 27, 2011

Electric machine having a rotary and a linear actuator

SIEMENS AG20 citations92
US7564158B2Jul 21, 2009

Three-phase synchronous machine having a permanent magnet rotor with an induction cage

SIEMENS AG24 citations92
US7285883B2Oct 23, 2007

Drive system for linear and rotary movements

SIEMENS AG25 citations92
US6812612B2Nov 2, 2004

Stator for a synchronous machine

SIEMENS AG48 citations92
US6768238B2Jul 27, 2004

Rotor for a permanent magnet synchronous machine

SIEMENS AG44 citations92
US7777373B2Aug 17, 2010

Cooling device of an electrical machine

SIEMENS AG23 citations91
US7732967B2Jun 8, 2010

Electrical machine comprising a winding system with coil groups

SIEMENS AG25 citations91
US6943467B2Sep 13, 2005

Electric machine with heat pipes

SIEMENS AG46 citations91
US6885187B2Apr 26, 2005

Transmitter system for a ferraris motion transmitter

SIEMENS AG20 citations90
US8378541B2Feb 19, 2013

Magnetic radial bearing and magnetic bearing system having a three-phase controller

SIEMENS AG14 citations84
US7977826B2Jul 12, 2011

Multipole permanent-magnet synchronous machine having tooth-wound coils

SIEMENS AG13 citations84
US7915777B2Mar 29, 2011

Ring coil motor

SIEMENS AG16 citations84
US7859160B2Dec 28, 2010

Electric machine with concentrated windings

SIEMENS AG17 citations84
US7755315B2Jul 13, 2010

Rotary linear drive having a transmitter device

SIEMENS AG18 citations84
US7709984B2May 4, 2010

Device for determining a shaft center deviation

SIEMENS AG16 citations84
US7705507B2Apr 27, 2010

Electrical machine having a three-phase winding system

SIEMENS AG14 citations84
US8035371B2Oct 11, 2011

Measuring system for detecting a rotary-linear displacement and corresponding rotary-linear drive

SIEMENS AG14 citations79
US9935534B2Apr 3, 2018

Electric machine with permanently excited inner stator

SIEMENS AG6 citations73
US10097055B2Oct 9, 2018

Permanently-excited dynamoelectric machine

SIEMENS AG2 citations72
US9343935B2May 17, 2016

Rotor of a permanently excited synchronous machine

SIEMENS AG5 citations71
US10014737B2Jul 3, 2018

Rotor for an electric machine

SIEMENS AG2 citations70
US11031838B2Jun 8, 2021

Housing unit for an electric machine

SIEMENS AG2 citations66
US9673672B2Jun 6, 2017

Individual-segment rotor having retaining rings

SIEMENS AG3 citations65
US12184132B2Dec 31, 2024

Method for manufacturing a magnetic sheet and a stack of magnetic sheets and electric machine and electric vehicle

SIEMENS AG0 citations63
US11482893B2Oct 25, 2022

Material layer for high rotational speeds

SIEMENS AG1 citations63
US11215235B2Jan 4, 2022

Coupling element having vibration damping

SIEMENS AG0 citations63
US12129892B2Oct 29, 2024

Bearing bush for a rotating shaft, bearing shield, electric motor and method for manufacturing a damping element

SIEMENS AG0 citations62
US12057745B2Aug 6, 2024

Cooling-optimised housing of a machine

SIEMENS AG0 citations62
US12519357B2Jan 6, 2026

Rotor with permanent magnets

SIEMENS AG0 citations61
US11451121B2Sep 20, 2022

Method for producing a material layer and a material layer structure for a dynamoelectric rotary machine

SIEMENS AG1 citations61
US9509185B2Nov 29, 2016

Rotor with permanent excitation including permanent magnets and soft-magnetic flux conducting elements therebetween, electric machine having such a rotor and manufacturing method for the rotor

SIEMENS AG2 citations60

VOLLMER ROLF

4 patents

WALTER AG

3 patents

BOTT ERICH

2 patents

GROSSMANN UDO

1 patent

WALTER GMBH MONTANWERKE

1 patent

FICK MICHAEL

1 patent

BUDDE THOMAS

1 patent

POTORADI DETLEF

1 patent

Showing the top 50 of 76 patents by PatentIndex Score.