Ralph L. Hollis

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spherical induction motor
- Patent number 9,853,528
- Issue date Dec 26, 2017
- Carnegie Mellon University, CTTEC
- Ralph L. Hollis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic levitation haptic interface system
- Patent number 8,497,767
- Issue date Jul 30, 2013
- Butterfly Haptics, LLC
- Ralph LeRoy Hollis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic balancing mobile robot
- Patent number 7,847,504
- Issue date Dec 7, 2010
- Carnegie Mellon University
- Ralph L. Hollis
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Field-joinable platen tiles for planar motors
- Patent number 6,545,375
- Issue date Apr 8, 2003
- Ralph L. Hollis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Closed-loop planar linear motor with integral monolithic three-degr...
- Patent number 6,175,169
- Issue date Jan 16, 2001
- Ralph L. Hollis
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Spherical Induction Motor
- Publication number 20140191626
- Publication date Jul 10, 2014
- Carnegie Mellon University, CTTEC
- Ralph L. Hollis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Dynamic balancing mobile robot
- Publication number 20080084175
- Publication date Apr 10, 2008
- Ralph L. Hollis
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Field-joinable platen tiles for planar motors
- Publication number 20020113496
- Publication date Aug 22, 2002
- Ralph L. Hollis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER