Inventor
WILLETS JULIE A
US12 patents
Patents
12 patentsUS7112891B2Sep 26, 2006
Mobile-power system with solar-powered hydrogen liberator, fuel cell, turbine, and capacitors
SPRINT COMMUNICATIONS CO65 citations97
US7245032B2Jul 17, 2007
Mobile-power system utilizing propane generator, fuel cell and super capacitors
SPRINT COMMUNICATIONS CO52 citations95
US7157803B2Jan 2, 2007
Power system including lithium-metal-polymer batteries
SPRINT COMMUNICATIONS CO30 citations95
US7635926B2Dec 22, 2009
Redundant mobile power supply system
SPRINT COMMUNICATIONS CO17 citations92
US7615877B2Nov 10, 2009
Power generation system for mobile power supply
SPRINT COMMUNICATIONS CO17 citations92
US7557531B2Jul 7, 2009
Power system utilizing flow batteries
SPRINT COMMUNICATIONS CO10 citations83
US7456513B2Nov 25, 2008
Modular cell site with air-turbine backup
SPRINT COMMUNICATIONS CO14 citations83
US7352578B2Apr 1, 2008
Fuel cell system with inverter and phase change material
SPRINT COMMUNICATIONS CO12 citations81
US7629707B2Dec 8, 2009
Power system with hydrogen on demand
SPRINT COMMUNICATIONS CO3 citations62
US7982340B1Jul 19, 2011
Telecommunications megasite with backup power system
SPRINT COMMUNICATIONS CO0 citations51
US7728458B2Jun 1, 2010
Telecommunications megasite with backup power system
SPRINT COMMUNICATIONS CO0 citations51
US7615889B2Nov 10, 2009
Modular cell site
SPRINT COMMUNICATIONS CO1 citations51