WiTricity Intellectual Property

Issued and Pending Patents Worldwide

WiTricity is exclusive licensee of MIT patents for Wireless Energy Transfer. Our founder, MIT professor Marin Soljačić, was the leader of the MIT research team that developed WiTricity technology. This includes the MIT patents for highly resonant magnetic coupling as well as many energy transfer system improvements. Since the original discovery, WiTricity Corporation has filed for patents on dozens of its own innovations, including improvements to the technology, as well as a large number of products and applications that use the technology. The MIT and WiTricity patents are available for licensing for interested parties. Please contact us to discuss potential licensing agreements.

Below is a partial list of our issued patents and pending patent applications.

Issued Patents

United States
Publication No. Title
US8400024 Wireless Energy Transfer Across Variable Distances
US8400023 Wireless Energy Transfer with High-Q Capacitively Loaded Conducting Loops
US8400022 Wireless Energy Transfer with High-Q Similar Resonant Frequency Resonators
US8400021 Wireless Energy Transfer with High-Q Sub-Wavelength Resonators
US8400020 Wireless Energy Transfer with High-Q Devices at Variable Distances
US8400019 Wireless Energy Transfer with High-Q From More Than One Source
US8400018 Wireless Energy Transfer with High-Q at High Efficiency
US8400017 Wireless Energy Transfer for Computer Peripheral Applications
US8304935 Wireless Energy Transfer Using Field Shaping to Reduce Loss
US8324759 Wireless Energy Transfer Using Magnetic Materials to Shape Field and Reduce Loss
US8362651 Efficient Near-Field Wireless Energy Transfer Using Adiabatic System Variations
US8395283 Wireless Energy Transfer Over a Distance at High Efficiency
US8395282 Wireless Non-Radiative Energy Transfer
US8115448 System and Methods for Wireless Power
US8106539 Wireless Energy Transfer for Refrigerator Application
US8097983 Wireless Energy Transfer
US8084889 Wireless Non-Radiative Energy Transfer
US8076801 Wireless Energy Transfer, Including Interference Enhancement
US8076800 Wireless Non-Radiative Energy Transfer
US8035255 Wireless Energy Transfer Using Planar Capacitively Loaded Conducting Loop Resonators
US8022576 Wireless Non-Radiative Energy Transfer
US7825543 Wireless Energy Transfer
US7741734 Wireless Non-Radiative Energy Transfer
USD636333S1 Wireless Power Source
Non-US
Publication No. Title
AU2010200044 Wireless Non-Radiative Energy Transfer—Australia
AU2009246310 Wireless Energy Transfer, Including Interference Enhancement—Australia
AU2007349874 Wireless Energy Transfer—Australia
AU2006269374 Wireless Non-Radiative Energy Transfer—Australia
JP4921466 Wireless Non-Radiative Energy Transfer—Japan
KR 10-1136889 Wireless Non-Radiative Energy Transfer—South Korea
KR 10-1118710 Wireless Non-Radiative Energy Transfer—South Korea

Pending Patents

United States
Publication No. Title
2012-0153738 Wireless Energy Transfer Across Variable Distances Using Field Shaping with Magnetic Materials to Improve the Coupling Factor
2012-0153737 Wireless Energy Transfer Over Distance Using Field Shaping to Improve the Coupling Factor
2012-0153736 Wireless Energy Transfer Using Object Positioning for Improved K
2012-0153735 Wireless Energy Transfer with High-Q Resonators Using Field Shaping to Improve K
2012-0153734 Wireless Energy Transfer Using Conducting Surfaces to Shape Field and Improve K
2012-0153733 Wireless Energy Transfer Systems
2012-0153732 Wireless Energy Transfer for Computer Peripheral Applications
2012-0139355 Wireless Energy Transfer for Medical Applications
2012-0119698 Wireless Energy Transfer for Vehicles
2012-0119576 Safety Systems for Wireless Energy Transfer in Vehicle Applications
2012-0119575 Wireless Energy Transfer for Vehicles
2012-0119569 Multi-Resonator Wireless Energy Transfer Inside Vehicles
2012-0112691 Wireless Energy Transfer Security for Vehicles
2012-0112538 Wireless Energy Transfer for Vehicle Applications
2012-0112536 Wireless Energy Transfer for Vehicles
2012-0112535 Wireless Energy Transfer for Vehicles
2012-0112534 Wireless Energy Transfer with Multi Resonator Arrays for Vehicle Applications
2012-0112532 Tunable Wireless Energy Transfer for In-Vehicle Applications
2012-0112531 Secure Wireless Energy Transfer  for Vehicle Applications
2012-0091950 Position Insensitive Wireless Charging
2012-0091949 Wireless Energy Transfer for Energizing Power Tools
2012-0091820 Wireless Power Transfer within a Circuit Breaker
2012-0091819 A Computer That Wirelessly Powers Accessories
2012-0091797 An Energized Tabletop
2012-0091796 Wireless Powered Projector
2012-0091795 Wirelessly Powered Television
2012-0091794 Wirelessly Powered Laptop and Desktop Environment
2012-0086867 Modular Upgrades for Wirelessly Powered Televisions
2012-0086284 Wireless Transmission of Solar Generated Power
2012-0068549 Wireless Energy Transfer, Including Interference Enhancement
2012-0062345 Low Resistance Electrical Conductor
2012-0032522 Wireless Energy Transfer for Implantable Devices
2011-0221278 Power Supply System and Method of Controlling Power Supply System
2011-0198939 Flat, Asymmetric, and E-Field Confined Wireless Power Transfer Apparatus and Method Thereof
2011-0193419 Wireless Energy Transfer
2011-0193416 Tunable Wireless Energy Transfer Systems
2011-0169339 Method and Apparatus of Load Detection for a Planar Wireless Power System
2011-0162895 Noncontact Electric Power Receiving Device, Noncontact Electric Power Transmitting Device, Noncontact Electric Power Feeding System, and Electrically Powered Vehicle
2011-0140544 Adaptive Wireless Power Transfer Apparatus and Method Thereof
2011-0121920 Wireless Energy Transfer Resonator Thermal Management
2011-0095618 Wireless Energy Transfer Using Repeater Resonators
2011-0089895 Wireless Energy Transfer
2011-0074347 Wireless Energy Transfer
2011-0074346 Vehicle Charger Safety System and Method
2011-0074218 Wireless Energy Transfer
2011-0049998 Wireless Delivery of Power to a Fixed-Geometry Power Part
2011-0043049 Wireless Energy Transfer with High-Q Resonators Using Field Shaping to Improve K
2011-0043048 Wireless Energy Transfer Using Object Positioning for Low Loss
2011-0043047 Wireless Energy Transfer Using Field Shaping to Reduce Loss
2011-0043046 Wireless Energy Transfer with High-Q Capacitively Loaded Conducting Loop
2011-0018361 Tuning and Gain Control in Electro-Magnetic Power Systems
2011-0012431 Resonators for Wireless Power Transfer
2010-0327661 Packaging and Details of a Wireless Power Device
2010-0327660 Resonators and Their Coupling Characteristics for Wireless Power Transfer Via Magnetic Coupling
2010-0308939 Integrated Resonator-Shield Structures
2010-0277121 Wireless Energy Transfer Between a Source and a Vehicle
2010-0277005 Wireless Powering and Charging Station
2010-0264747 Wireless Energy Transfer Converters
2010-0264745 Resonators for Wireless Power Applications
2010-0259110 Resonator Optimizations for Wireless Energy Transfer
2010-0259108 Wireless Energy Transfer Using Repeater Resonators
2010-0253152 Long Range Low Frequency Resonator
2010-0237709 Resonator Arrays for Wireless Energy Transfer
2010-0237708 Transmitters and Receivers for Wireless Energy Transfer
2010-0237707 Increasing the Q Factor of a Resonator
2010-0237706 Wireless Power System and Proximity Effects
2010-0231340 Wireless Energy Transfer Resonator Enclosures
2010-0231053 Wireless Power Range Increase Using Parasitic Resonators
2010-0225175 Wireless Power Bridge
2010-0219694 Wireless Energy Transfer in Lossy Environments
2010-0207458 Wireless Energy Transfer Over a Distance with Devices at Variable Distances
2010-0201205 Biological Effects of Magnetic Power Transfer
2010-0201203 Wireless Energy Transfer with Feedback Control for Lighting Application
2010-0181844 High Efficiency and Power Transfer in Wireless Power Magnetic Resonator
2010-0181845 Temperature Compensation in a Wireless Transfer System
2010-0187911 Wireless Energy Transfer Over Distances to a Moving Device
2010-0171370 Maximizing Power Yield From Wireless Power Magnetic Resonators
2010-0171368 Wireless Energy Transfer with Frequency Hopping
2010-0164298 Wireless Energy Transfer Using Magnetic Materials to Shape Field and Reduce Loss
2010-0164297 Wireless Energy Transfer Using Conducting Surfaces to Shape Fields and Reduce Loss
2010-0164296 Wireless Energy Transfer Using Variable Size Resonators and System Monitoring
2010-0148589 Efficient Near-Field Wireless Energy Transfer Using Adiabatic System Variations
2010-0141042 Wireless Energy Transfer Systems
2010-0133920 Wireless Energy Transfer Across a Distance to a Moving Device
2010-0133919 Wireless Energy Transfer Across Variable Distances with High-Q Capacitively-Loaded Conducting-Wire Loops
2010-0133918 Wireless Energy Transfer Over Variable Distances Between Resonators of Substantially Similar Resonant Frequencies
2010-0127575 Wireless Energy Transfer with High-Q to More Than One Device
2010-0127574 Wireless Energy Transfer with High-Q at High Efficiency
2010-0127573 Wireless Energy Transfer Over a Distance at High Efficiency
2010-0123355 Wireless Energy Transfer with High-Q Sub-Wavelength Resonators
2010-0123354 Wireless Energy Transfer with High-Q Devices at Variable Distances
2010-0123353 Wireless Energy Transfer with High-Q From More Than One Source
2010-0117456 Applications of Wireless Energy Transfer Using Coupled Antennas
2010-0117455 Wireless Energy Transfer Using Coupled Resonators
2010-0102641 Wireless Energy Transfer Across Variable Distances
2010-0102640 Wireless Energy Transfer to a Moving Device Between High-Q Resonators
2010-0102639 Wireless Non-Radiative Energy Transfer
2010-0096934 Wireless Energy Transfer with High-Q Similar Resonant Frequency Resonators
2009-0267710 Wireless Non-Radiative Energy Transfer
2008-0278264 Wireless Energy Transfer
Non-US
Publication No. Title Country
AU2010200044 Wireless Non-Radiative Energy Transfer Australia
AU2009246310 Wireless Energy Transfer, Including Interference Enhancement Australia
2724341 Wireless Energy Transfer, Including Interference Enhancement Canada
2682284 Wireless Energy Transfer Canada
2615123 Wireless Non-Radiative Energy Transfer Canada
CN101860089A Wireless Non-Radiative Energy Transfer China
CN101682216A China
CN101258658 Wireless Non-Radiative Energy Transfera China
EP2345100 Efficient Near-Field Wireless Energy Transfer Using Adiabatic System Variations Europe
EP2340611 Wireless Energy Transfer Systems Europe
EP2306616 Wireless Non-Radiative Energy Transfer Europe
EP2306615 Wireless Non-Radiative Energy Transfer Europe
EP2281322 Wireless Energy Transfer, Including Interference Enhancement Europe
EP2130287 Wireless Energy Transfer Europe
EP1902505 Wireless Non-Radiative Energy Transfer Europe
HK1139515 Hong Kong
HK1120933 Hong Kong
IN7357-CHENP-2010 Wireless Energy Transfer, Including Interference Enhancement India
IN6195/DELNP/2009 India
IN00735/DELNP/2008 India
JP2011177018 Japan
JP2010500897 Japan
KR2011014649 Wireless Energy Transfer, Including Interference Enhancement South Korea
KR20110074761 Wireless Energy Transfer Systems South Korea
KR20100015954 Wireless Energy Transfer South Korea
KR20080031398 Wireless Non-Radiative Energy Transfer South Korea
PCT
Publication No. Title
WO/2012/047779 Vehicle Charger Safety System and Method
WO/2012/037279 Wireless Energy Distribution System
WO/2011/112795 Wireless Energy Transfer Converters
WO/2010/093997 Wireless Energy Transfer in Lossy Environments
WO/2010/039967 Efficient Near-Field Wireless Energy Transfer Using Adiabatic System Variations
WO/2010/036980 Wireless Energy Transfer Systems
WO/2009/140506 Wireless Energy Transfer, including Interference Enhancement
WO/2008/118178 Wireless Energy Transfer
WO/2007/008646 Wireless Non-Radiative Energy Transfer