David William Wallis

Person

Atlanta, GA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic transmitter
- Patent number 10,065,212
- Issue date Sep 4, 2018
- MOTOROLA SOLUTIONS, INC.
- David W. Wallis
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Ultrasonic charging apparatus, system and method
- Patent number 9,837,849
- Issue date Dec 5, 2017
- MOTOROLA SOLUTIONS, INC.
- David W. Wallis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Methods and systems for providing a ballast load for a magnetic res...
- Patent number 9,780,571
- Issue date Oct 3, 2017
- MOTOROLA SOLUTIONS, INC.
- Edward W Brumley
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wireless power transfer using a microwave signal
- Patent number 9,711,973
- Issue date Jul 18, 2017
- MOTOROLA SOLUTIONS, INC.
- David Wallis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter apparatus
- Patent number 9,231,481
- Issue date Jan 5, 2016
- Motorola Solutions, Inc.
- David W Wallis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for non-latching, bi-directional communication...
- Patent number 8,803,117
- Issue date Aug 12, 2014
- Motorola Solutions, Inc.
- David W. Wallis
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable equalizer apparatus
- Patent number 8,077,474
- Issue date Dec 13, 2011
- Edward Perez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low loss RF transmission lines having a reference conductor with a...
- Patent number 7,855,623
- Issue date Dec 21, 2010
- Tessera, Inc.
- Ronald Green
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Surge-gap end plug
- Patent number 6,473,285
- Issue date Oct 29, 2002
- Scientific-Atlanta, Inc.
- Alan J. Schlenz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Battery-powered adapter
- Patent number 5,848,135
- Issue date Dec 8, 1998
- In a Pinch Inc.
- Jeffrey Elghanayan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Simplified driver for controlled flux ferrite phase shifter
- Patent number 5,089,716
- Issue date Feb 18, 1992
- Electromagnetic Sciences, Inc.
- David W. Wallis
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus for extracting the fundamental frequency from a complex a...
- Patent number 4,162,461
- Issue date Jul 24, 1979
- S.W.I.S., Inc.
- David W. Wallis
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
ULTRASONIC TRANSMITTER
- Publication number 20170066016
- Publication date Mar 9, 2017
- MOTOROLA SOLUTIONS, INC.
- David W. Wallis
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
ULTRASONIC CHARGING APPARATUS, SYSTEM AND METHOD
- Publication number 20170063129
- Publication date Mar 2, 2017
- MOTOROLA SOLUTIONS, INC.
- DAVID W. WALLIS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
WIRELESS POWER TRANSFER USING A MICROWAVE SIGNAL
- Publication number 20160315480
- Publication date Oct 27, 2016
- MOTOROLA SOLUTIONS, INC.
- David Wallis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHODS AND SYSTEMS FOR PROVIDING A BALLAST LOAD FOR A MAGNETIC RES...
- Publication number 20160064942
- Publication date Mar 3, 2016
- MOTOROLA SOLUTIONS, INC.
- EDWARD W. BRUMLEY
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER HAVING REDUCED SWITCHING TRANSIENTS
- Publication number 20140320086
- Publication date Oct 30, 2014
- MOTOROLA SOLUTIONS, INC.
- DAVID W. WALLIS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
APPARATUS AND METHOD FOR NON-LATCHING, BI-DIRECTIONAL COMMUNICATION...
- Publication number 20130256569
- Publication date Oct 3, 2013
- MOTOROLA SOLUTIONS, INC.
- David W. Wallis
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Variable equalizer apparatus
- Publication number 20090041106
- Publication date Feb 12, 2009
- Edward Perez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Low loss RF transmission lines
- Publication number 20080315977
- Publication date Dec 25, 2008
- Tessera, Inc.
- Ronald Green
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Radio frequency (RF) detector with a light emitting diode (LED) ind...
- Publication number 20020128006
- Publication date Sep 12, 2002
- Joseph W. Martine
- G01 - MEASURING TESTING
Information Patent Application
Electrically and environmentally sealed mechanical control device f...
- Publication number 20020079113
- Publication date Jun 27, 2002
- David Wallis
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

David William Wallis

Person

Patents Grantslast 30 patents

Ultrasonic transmitter

Ultrasonic charging apparatus, system and method

Methods and systems for providing a ballast load for a magnetic res...

Wireless power transfer using a microwave signal

Power converter apparatus

Apparatus and method for non-latching, bi-directional communication...

Variable equalizer apparatus

Low loss RF transmission lines having a reference conductor with a...

Surge-gap end plug

Battery-powered adapter

Simplified driver for controlled flux ferrite phase shifter

Apparatus for extracting the fundamental frequency from a complex a...

Patents Applicationslast 30 patents

ULTRASONIC TRANSMITTER

ULTRASONIC CHARGING APPARATUS, SYSTEM AND METHOD

WIRELESS POWER TRANSFER USING A MICROWAVE SIGNAL

METHODS AND SYSTEMS FOR PROVIDING A BALLAST LOAD FOR A MAGNETIC RES...

POWER CONVERTER HAVING REDUCED SWITCHING TRANSIENTS

APPARATUS AND METHOD FOR NON-LATCHING, BI-DIRECTIONAL COMMUNICATION...

Variable equalizer apparatus

Low loss RF transmission lines

Radio frequency (RF) detector with a light emitting diode (LED) ind...

Electrically and environmentally sealed mechanical control device f...