Rolf Muller

Person

St. Georgen, Schwarzw., DE

People

Patents Grantslast 30 patents

Information Patent Grant
Disk storage device having an undercut hub member
- Patent number RE38772
- Issue date Aug 9, 2005
- Papst Licensing GmbH & Co. KG
- Dieter Elsässer
- 360 - Dynamic magnetic information storage or retrieval
Information Patent Grant
Disk storage device having a radial magnetic yoke feature
- Patent number RE38601
- Issue date Sep 28, 2004
- Papst Licensing, GmbH & Co. KG
- Dieter Elsässer
- 360 - Dynamic magnetic information storage or retrieval
Information Patent Grant
Disk storage device having an underhub spindle motor
- Patent number RE38178
- Issue date Jul 8, 2003
- Papst Licensing GmbH & Co. KG
- Dieter Elsässer
- 360 - Dynamic magnetic information storage or retrieval
Information Patent Grant
Disk storage device having a three-phase brushless DC underhub conf...
- Patent number RE38179
- Issue date Jul 8, 2003
- Papst Licensing GmbH & Co. KG
- Dieter Elsässer
- 360 - Dynamic magnetic information storage or retrieval
Information Patent Grant
Brushless three-phase dc motor
- Patent number 5,909,072
- Issue date Jun 1, 1999
- Papst Licensing GmbH
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brushless DC drive motor with external rotor for use in disc drives...
- Patent number RE36168
- Issue date Mar 30, 1999
- Papst Licensing,GmbH
- Johann von der Heide
- 310 - Electrical generator or motor structure
Information Patent Grant
Brushless three-phase dc motor
- Patent number 5,834,873
- Issue date Nov 10, 1998
- Papst Licensing GmbH
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disk storage device, with hub and drive motor rotor features
- Patent number 5,801,900
- Issue date Sep 1, 1998
- Papst Licensing GmbH
- Dieter Elsaesser
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc drive having a brushless DC drive motor with an external rotor...
- Patent number 5,661,351
- Issue date Aug 26, 1997
- Papst Licensing, GmbH
- Johann von der Heide
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brushless DC drive motor with external rotor for use in disc drives...
- Patent number 5,652,470
- Issue date Jul 29, 1997
- Papst Licensing, GmbH
- Johann von der Heide
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency monitoring device
- Patent number 5,610,594
- Issue date Mar 11, 1997
- Papst Licensing GmbH
- Hans-Martin Baumann
- G01 - MEASURING TESTING
Information Patent Grant
Frequency monitoring device
- Patent number 5,469,148
- Issue date Nov 21, 1995
- Papst Licensing GmbH
- Hans-Martin Baumann
- G01 - MEASURING TESTING
Information Patent Grant
Brushless three-phase DC motor
- Patent number 5,418,416
- Issue date May 23, 1995
- Papst Licensing GmbH
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brushless DC drive motor with external rotor for use in disc drives...
- Patent number 5,382,853
- Issue date Jan 17, 1995
- Papst Licencing GmbH
- Johann von der Heide
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Tachogenerator for speed control of electric motors
- Patent number 5,361,010
- Issue date Nov 1, 1994
- Papst Licensing GmbH
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brushless direct current motor
- Patent number 5,349,275
- Issue date Sep 20, 1994
- Papst Licensing GmbH
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
D.c. motor with a current-limiting arrangement
- Patent number 5,268,623
- Issue date Dec 7, 1993
- Papst Licensing GmbH
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Miniaturized direct current fan
- Patent number 5,267,842
- Issue date Dec 7, 1993
- Papst Licensing GmbH
- Siegfried Harmsen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Brushless direct current motor system
- Patent number RE34268
- Issue date Jun 1, 1993
- Papst-Motoren GmbH & Co KG
- Rolf Muller
- 310 - Electrical generator or motor structure
Information Patent Grant
Miniaturized direct current fan
- Patent number 5,135,363
- Issue date Aug 4, 1992
- Papst-Motoren GmbH & Co. KG
- Siegfried Harmsen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Driver circuit for a d.c. motor without commutator
- Patent number 5,134,682
- Issue date Jul 28, 1992
- Papst-Motoren GmbH & Co KG
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor, particularly a brushless direct current motor
- Patent number RE33813
- Issue date Feb 4, 1992
- Papst-Motoren GmbH & Co KG
- Johann von der Heide
- 310 - Electrical generator or motor structure
Information Patent Grant
Driver circuit for a d.c. motor without commutator
- Patent number 5,038,083
- Issue date Aug 6, 1991
- Papst-Motoren GmbH & Co. KG
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driver circuit for a D.C. motor without commutator
- Patent number 4,924,156
- Issue date May 8, 1990
- Papst-Motoren GmbH & Co. KG
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive motor for information-storage-disk devices
- Patent number 4,902,941
- Issue date Feb 20, 1990
- Papst-Motoren GmbH & Co KG
- Alfred Merkle
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit arrangement for monitoring speed of a drive motor
- Patent number RE33167
- Issue date Feb 20, 1990
- Papst-Motoren GmbH & Co KG
- Helmut Moosmann
- 307 - Electrical transmission or interconnection systems
Information Patent Grant
Fan with temperature controlled rotation speed
- Patent number 4,806,832
- Issue date Feb 21, 1989
- Papst Motoren KG
- Rolf Muller
- G05 - CONTROLLING REGULATING
Information Patent Grant
Collectorless direct current motor, driver circuit for a drive and...
- Patent number 4,804,892
- Issue date Feb 14, 1989
- Papst-Motoren GmbH & Co KG
- Rolf Muller
- G05 - CONTROLLING REGULATING
Information Patent Grant
Brushless d.c. motor having RC time-delay stage(s) and driver trans...
- Patent number 4,748,388
- Issue date May 31, 1988
- Papst-Motoren GmbH & Co KG
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Two-pulse permanent magnet brushless D-C motor
- Patent number 4,730,136
- Issue date Mar 8, 1988
- Papst-Motoren GmbH & Co KG
- Rolf Muller
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Rolf Muller

Person

Patents Grantslast 30 patents

Disk storage device having an undercut hub member

Disk storage device having a radial magnetic yoke feature

Disk storage device having an underhub spindle motor

Disk storage device having a three-phase brushless DC underhub conf...

Brushless three-phase dc motor

Brushless DC drive motor with external rotor for use in disc drives...

Brushless three-phase dc motor

Disk storage device, with hub and drive motor rotor features

Disc drive having a brushless DC drive motor with an external rotor...

Brushless DC drive motor with external rotor for use in disc drives...

Frequency monitoring device

Frequency monitoring device

Brushless three-phase DC motor

Brushless DC drive motor with external rotor for use in disc drives...

Tachogenerator for speed control of electric motors

Brushless direct current motor

D.c. motor with a current-limiting arrangement

Miniaturized direct current fan

Brushless direct current motor system

Miniaturized direct current fan

Driver circuit for a d.c. motor without commutator

Electric motor, particularly a brushless direct current motor

Driver circuit for a d.c. motor without commutator

Driver circuit for a D.C. motor without commutator

Drive motor for information-storage-disk devices

Circuit arrangement for monitoring speed of a drive motor

Fan with temperature controlled rotation speed

Collectorless direct current motor, driver circuit for a drive and...

Brushless d.c. motor having RC time-delay stage(s) and driver trans...

Two-pulse permanent magnet brushless D-C motor