Features such as temperature monitoring, tiered network protocols...http://www.google.co.uk/patents/US8115448?utm_source=gb-gplus-sharePatent US8115448 - Systems and methods for wireless powerAdvanced Patent SearchPublication numberUS8115448 B2Publication typeGrantApplication numberUS 12/131,886Publication date14 Feb 2012Filing date2 Jun 2008Priority date1 Jun 2007Also published asUS8805530, US200