Inventor
SPERANZA A JOHN
US17 patents
⚠️ This page may combine multiple inventors who share the name “SPERANZA A JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROTON ENERGY SYS INC
13 patentsUS6887601B2May 3, 2005
Regenerative electrochemical cell system and method for use thereof
PROTON ENERGY SYS INC83 citations95
US7060379B2Jun 13, 2006
Method and system for controlling and recovering short duration bridge power to maximize backup power
PROTON ENERGY SYS INC64 citations93
US7354675B2Apr 8, 2008
Apparatus and method for maintaining compression of the active area in an electrochemical cell
PROTON ENERGY SYS INC31 citations92
US6833205B2Dec 21, 2004
Electrochemical cell system output control method and apparatus
PROTON ENERGY SYS INC23 citations92
US6828056B2Dec 7, 2004
Electrode catalyst composition, electrode, and membrane electrode assembly for electrochemical cells
PROTON ENERGY SYS INC30 citations92
US7241522B2Jul 10, 2007
Regenerative electrochemical cell system and method for use thereof
PROTON ENERGY SYS INC24 citations90
US7083875B2Aug 1, 2006
Method and apparatus for providing modular power
PROTON ENERGY SYS INC24 citations86
US7014947B2Mar 21, 2006
Integral membrane support and frame structure
PROTON ENERGY SYS INC13 citations83
US7550113B2Jun 23, 2009
System for maintaining hydrogen purity in electrical generators and method thereof
PROTON ENERGY SYS INC10 citations79
US6723220B2Apr 20, 2004
Protonic rate level sensing device for an electrolysis cell
PROTON ENERGY SYS INC7 citations73
US6814841B2Nov 9, 2004
Gas liquid phase separator with improved pressure control
PROTON ENERGY SYS INC11 citations70
US6652732B2Nov 25, 2003
Fan flow sensor for proton exchange membrane electrolysis cell
PROTON ENERGY SYS INC5 citations55
US7879613B2Feb 1, 2011
System for maintaining hydrogen purity in electrical generators and method thereof
PROTON ENERGY SYS INC0 citations47
PROTON ENERGY SYSTEMS
3 patentsUS5980726ANov 9, 1999
Hydrogen electrochemical system environment
PROTON ENERGY SYSTEMS106 citations96
US7552622B2Jun 30, 2009
System for monitoring the health of electrical generators and method thereof
PROTON ENERGY SYSTEMS6 citations73
US7888124B2Feb 15, 2011
System for monitoring the health of electrical generators and method thereof
PROTON ENERGY SYSTEMS2 citations62