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
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
2006269374 Wireless Non-Radiative Energy Transfer—Australia

Pending Patents

United States
Publication No. Title
20110221278 Power Supply System and Method of Controlling Power Supply System
20110198939 Flat, Asymmetric, and E-Field Confined Wireless Power Transfer Apparatus and Method Thereof
20110193419 Wireless Energy Transfer
20110193416 Tunable Wireless Energy Transfer Systems
20110169339 Method and Apparatus of Load Detection for a Planar Wireless Power System
20110162895 Noncontact Electric Power Receiving Device, Noncontact Electric Power Transmitting Device, Noncontact Electric Power Feeding System, and Electrically Powered Vehicle
20110140544 Adaptive Wireless Power Transfer Apparatus and Method Thereof
20110121920 Wireless Energy Transfer Resonator Thermal Management
20110095618 Wireless Energy Transfer Using Repeater Resonators
20110089895 Wireless Energy Transfer
20110074347 Wireless Energy Transfer
20110074346 Vehicle Charger Safety System and Method
20110074218 Wireless Energy Transfer
20110049998 Wireless Delivery of Power to a Fixed-Geometry Power Part
20110043049 Wireless Energy Transfer with High-Q Resonators Using Field Shaping to Improve K
20110043048 Wireless Energy Transfer Using Object Positioning for Low Loss
20110043047 Wireless Energy Transfer Using Field Shaping to Reduce Loss
20110043046 Wireless Energy Transfer with High-Q Capacitively Loaded Conducting Loop
20110018361 Tuning and Gain Control In Electro-Magnetic Power Systems
20110012431 Resonators for Wireless Power Transfer
20100327661 Packaging and Details of a Wireless Power Device
20100327660 Resonators and Their Coupling Characteristics for Wireless Power Transfer Via Magnetic Coupling
20100308939 Integrated Resonator-Shield Structures
20100277121 Wireless Energy Transfer Between a Source and a Vehicle
20100277005 Wireless Powering and Charging Station
20100264747 Wireless Energy Transfer Converters
20100264745 Resonators for Wireless Power Applications
20100259110 Resonator Optimizations for Wireless Energy Transfer
20100259108 Wireless Energy Transfer Using Repeater Resonators
20100253152 Long Range Low Frequency Resonator
20100237709 Resonator Arrays for Wireless Energy Transfer
20100237708 Transmitters and Receivers for Wireless Energy Transfer
20100237707 Increasing the Q Factor of a Resonator
20100237706 Wireless Power System and Proximity Effects
20100231340 Wireless Energy Transfer Resonator Enclosures
20100231053 Wireless Power Range Increase Using Parasitic Resonators
20100225175 Wireless Power Bridge
20100219694 Wireless Energy Transfer in Lossy Environments
20100207458 Wireless Energy Transfer Over a Distance with Devices at Variable Distances
20100201205 Biological Effects of Magnetic Power Transfer
20100201203 Wireless Energy Transfer with Feedback Control for Lighting Application
20100181844 High Efficiency and Power Transfer In Wireless Power Magnetic Resonator
20100181845 Temperature Compensation In a Wireless Transfer System
20100181843 Wireless Energy Transfer for Refrigerator Application
20100187911 Wireless Energy Transfer Over Distances to a Moving Device
20100171370 Maximizing Power Yield From Wireless Power Magnetic Resonators
20100171368 Wireless Energy Transfer with Frequency Hopping
20100164298 Wireless Energy Transfer Using Magnetic Materials to Shape Field and Reduce Loss
20100164297 Wireless Energy Transfer Using Conducting Surfaces to Shape Fields and Reduce Loss
20100164296 Wireless Energy Transfer Using Variable Size Resonators and System Monitoring
20100148589 Efficient Near-Field Wireless Energy Transfer Using Adiabatic System Variations
20100141042 Wireless Energy Transfer Systems
20100133920 Wireless Energy Transfer Across a Distance to a Moving Device
20100133919 Wireless Energy Transfer Across Variable Distances with High-Q Capacitively-Loaded Conducting-Wire Loops
20100133918 Wireless Energy Transfer Over Variable Distances Between Resonators of Substantially Similar Resonant Frequencies
20100127575 Wireless Energy Transfer with High-Q to More Than One Device
20100127574 Wireless Energy Transfer with High-Q at High Efficiency
20100127573 Wireless Energy Transfer Over a Distance at High Efficiency
20100123355 Wireless Energy Transfer with High-Q Sub-Wavelength Resonators
20100123354 Wireless Energy Transfer with High-Q Devices at Variable Distances
20100123353 Wireless Energy Transfer with High-Q From More Than One Source
20100117456 Applications of Wireless Energy Transfer Using Coupled Antennas
20100117455 Wireless Energy Transfer Using Coupled Resonators
20100102641 Wireless Energy Transfer Across Variable Distances
20100102640 Wireless Energy Transfer to a Moving Device Between High-Q Resonators
20100102639 Wireless Non-Radiative Energy Transfer
20100096934 Wireless Energy Transfer with High-Q Similar Resonant Frequency Resonators
20090267710 Wireless Non-Radiative Energy Transfer
20080278264 Wireless Energy Transfer
Non-US
Publication No. Title Country
AU2010200044 Wireless Non-Radiative Energy Transfer Australia
AU2009246310 Wireless Energy Transfer, Including Interference Enhancement Australia
AU2007349874 Wireless Energy Transfer 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 Wireless Energy Transfer 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
KR1139515 Wireless Energy Transfer Hong Kong
HK1120933 Wireless Non-Radiative Energy Transfer Hong Kong
IN7357-CHENP-2010 Wireless Energy Transfer, Including Interference Enhancement India
IN6195/DELNP/2009 Wireless Energy Transfer India
IN00735/DELNP/2008 Wireless Non-Radiative Energy Transfer India
JP2011177018 Wireless Non-Radiative Energy Transfer Japan
JP2010500897 Wireless Energy Transfer Japan
JP2008521453 Wireless Non-Radiative Energy Transfer Japan
KR2011014649 Wireless Energy Transfer, Including Interference Enhancement South Korea
KR20110074761 Wireless Energy Transfer Systems South Korea
KR20110069182 Wireless Non-Radiative Energy Transfer South Korea
KR20100015954 Wireless Energy Transfer South Korea
KR20080031398 Wireless Non-Radiative Energy Transfer South Korea
PCT
Publication No. Title
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