Inventor
RITTER DAVID W
US42 patents
⚠️ This page may combine multiple inventors who share the name “RITTER DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLE INC
10 patentsUS9813041B1Nov 7, 2017
Automatic boost control for resonant coupled coils
APPLE INC23 citations94
US10333333B2Jun 25, 2019
Wireless charging retail systems
APPLE INC15 citations91
US10116279B2Oct 30, 2018
Impedance matching for inductive power transfer systems
APPLE INC7 citations84
US9923383B2Mar 20, 2018
Adjusting filter in a coupled coil system
APPLE INC5 citations73
US12003121B2Jun 4, 2024
Detection of object location and orientation on a wireless charge mat
APPLE INC2 citations72
US11159065B2Oct 26, 2021
Detection of object location and orientation on a wireless charge mat
APPLE INC4 citations72
US10277056B2Apr 30, 2019
Wireless charging station
APPLE INC3 citations70
US10593291B2Mar 17, 2020
Methods for color sensing ambient light sensor calibration
APPLE INC1 citations58
US9837866B2Dec 5, 2017
Reducing power dissipation in inductive energy transfer systems
APPLE INC0 citations52
US10720789B2Jul 21, 2020
Wireless charging station
APPLE INC0 citations49
HALLIBURTON ENERGY SERV INC
6 patentsUS7025134B2Apr 11, 2006
Surface pulse system for injection wells
HALLIBURTON ENERGY SERV INC89 citations97
US7165617B2Jan 23, 2007
Viscosified treatment fluids and associated methods of use
HALLIBURTON ENERGY SERV INC104 citations95
US7222672B2May 29, 2007
Wellbore fluids containing additives for removing a filter cake and methods of using the same
HALLIBURTON ENERGY SERV INC22 citations92
US7299876B2Nov 27, 2007
Viscosified treatment fluids and associated methods of use
HALLIBURTON ENERGY SERV INC41 citations90
US7125826B2Oct 24, 2006
Methods of using invertible oil external-water internal fluids in subterranean applications
HALLIBURTON ENERGY SERV INC8 citations74
US7939474B2May 10, 2011
Wellbore fluids containing additives for removing a filter cake and methods of using the same
HALLIBURTON ENERGY SERV INC6 citations73
RITTER DAVID W
6 patentsUS8274037B2Sep 25, 2012
Automatic calibration technique for time of flight (TOF) transceivers
RITTER DAVID W58 citations95
US8760631B2Jun 24, 2014
Distance sensing by IQ domain differentiation of time of flight (TOF) measurements
RITTER DAVID W18 citations90
US8530819B2Sep 10, 2013
Direct current (DC) correction circuit for a time of flight (TOF) photodiode front end
RITTER DAVID W9 citations81
US8558955B2Oct 15, 2013
Cable equalization locking
RITTER DAVID W2 citations59
US8390740B2Mar 5, 2013
Systems and methods for cable equalization
RITTER DAVID W3 citations59
US8872978B2Oct 28, 2014
Cable equalization and monitoring for degradation and potential tampering
RITTER DAVID W1 citations42
MICREL INC
4 patentsUS7218086B1May 15, 2007
Switching regulator with programmable output levels using a single input pin
MICREL INC37 citations88
US7259521B1Aug 21, 2007
Video driver architecture for AMOLED displays
MICREL INC17 citations84
US7323854B2Jan 29, 2008
Zero cancellation in multiloop regulator control scheme
MICREL INC6 citations63
US7298125B1Nov 20, 2007
Right half-plane zero compensation and cancellation for switching regulators
MICREL INC6 citations63