Inventor
VENKATESAN SRINIVASAN
US65 patents
⚠️ This page may combine multiple inventors who share the name “VENKATESAN SRINIVASAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OVONIC BATTERY CO
20 patentsUS5344728ASep 6, 1994
Compositionally and structurally disordered multiphase nickel hydroxide positive electrode for alkaline rechargeable electrochemical cells
OVONIC BATTERY CO50 citations96
US6878485B2Apr 12, 2005
Mechanical and thermal improvements in metal hydride batteries, battery modules and battery packs
OVONIC BATTERY CO42 citations95
US6372377B1Apr 16, 2002
Mechanical and thermal improvements in metal hydride batteries, battery modules and battery packs
OVONIC BATTERY CO63 citations95
US5879831AMar 9, 1999
Mechanical and thermal improvements in metal hydride batteries, battery modules and battery packs
OVONIC BATTERY CO78 citations95
US5856047AJan 5, 1999
High power nickel-metal hydride batteries and high power electrodes for use therein
OVONIC BATTERY CO59 citations95
US6617072B2Sep 9, 2003
Positive active electrode composition with graphite additive
OVONIC BATTERY CO70 citations94
US5851698ADec 22, 1998
Nickel-metal hydride batteries having high power electrodes and low-resistance electrode connections
OVONIC BATTERY CO27 citations93
US7217473B2May 15, 2007
Mechanical and thermal improvements in metal hydride batteries, battery modules, and battery packs
OVONIC BATTERY CO31 citations92
US6818348B1Nov 16, 2004
Nickel hydroxide paste with molasses binder
OVONIC BATTERY CO45 citations92
US6017655AJan 25, 2000
Nickel hydroxide positive electrode material exhibiting improved conductivity and engineered activation energy
OVONIC BATTERY CO22 citations92
US5637423AJun 10, 1997
Compositionally and structurally disordered multiphase nickel hydroxide positive electrode for alkaline rechargeable electrochemical cells
OVONIC BATTERY CO33 citations92
US5773164AJun 30, 1998
Robust terminal for rechargeable prismatic batteries
OVONIC BATTERY CO36 citations90
US5171647ADec 15, 1992
Hydrogen containment cover assembly for sealing the cell can of a rechargeable electrochemical hydrogen storage cell
OVONIC BATTERY CO22 citations88
US6537700B1Mar 25, 2003
Nickel positive electrode material with misch metal additives
OVONIC BATTERY CO12 citations74
US6150054ANov 21, 2000
Nickel positive electrode material comprising rare earth minerals
OVONIC BATTERY CO9 citations74
US6086843AJul 11, 2000
Structurally modified nickel hydroxide material and method for making same
OVONIC BATTERY CO13 citations74
US6605375B2Aug 12, 2003
Method of activating hydrogen storage alloy electrode
OVONIC BATTERY CO11 citations73
US6589686B2Jul 8, 2003
Method of fuel cell activation
OVONIC BATTERY CO11 citations73
US6503659B1Jan 7, 2003
Layered metal hydride electrode providing reduced cell pressure
OVONIC BATTERY CO12 citations70
US5327784AJul 12, 1994
Apparatus for measuring the pressure inside a rechargeable electrochemical cell
OVONIC BATTERY CO14 citations68
ENERGY CONVERSION DEVICES INC
13 patentsUS4551400ANov 5, 1985
Hydrogen storage materials and methods of sizing and preparing the same for electrochemical applications
ENERGY CONVERSION DEVICES INC112 citations96
US6613471B2Sep 2, 2003
Active material for fuel cell anodes incorporating an additive for precharging/activation thereof
ENERGY CONVERSION DEVICES INC24 citations92
US6447942B1Sep 10, 2002
Alkaline fuel cell
ENERGY CONVERSION DEVICES INC45 citations92
US4544461AOct 1, 1985
Hydrogen sulfide decomposition cell and catalytic materials therefor
ENERGY CONVERSION DEVICES INC28 citations92
US5778972AJul 14, 1998
Robust metal hydride hydrogen storage system with metal hydride support structure
ENERGY CONVERSION DEVICES INC29 citations91
US5697221ADec 16, 1997
Robust metal hydride hydrogen storage system
ENERGY CONVERSION DEVICES INC25 citations91
US6828057B2Dec 7, 2004
Fuel cell with framed electrodes
ENERGY CONVERSION DEVICES INC20 citations90
US6920873B2Jul 26, 2005
Portable heating pack
ENERGY CONVERSION DEVICES INC16 citations84
US6620539B2Sep 16, 2003
Fuel cell cathodes and their fuel cells
ENERGY CONVERSION DEVICES INC16 citations84
US5948564ASep 7, 1999
Compositionally and structurally disordered multiphase nickel hydroxide positive electrode containing modifiers
ENERGY CONVERSION DEVICES INC12 citations82
US4430391AFeb 7, 1984
Fuel cell cathode
ENERGY CONVERSION DEVICES INC25 citations82
US6783891B2Aug 31, 2004
Fuel cell cathode with redox couple
ENERGY CONVERSION DEVICES INC6 citations73
US6777125B2Aug 17, 2004
Fuel cell cathode with redox couple
ENERGY CONVERSION DEVICES INC7 citations72
TEXACO OVONIC FUEL CELL LLC
6 patentsUS6991719B2Jan 31, 2006
Method for producing and transporting hydrogen
TEXACO OVONIC FUEL CELL LLC21 citations92
US6835489B2Dec 28, 2004
Double layer oxygen electrode and method of making
TEXACO OVONIC FUEL CELL LLC19 citations92
US6989216B2Jan 24, 2006
Fuel cell with overmolded electrode assemblies
TEXACO OVONIC FUEL CELL LLC15 citations82
US6998184B2Feb 14, 2006
Hybrid fuel cell
TEXACO OVONIC FUEL CELL LLC9 citations73
US6703156B2Mar 9, 2004
Fuel cell cathode utilizing multiple redox couples
TEXACO OVONIC FUEL CELL LLC8 citations73
US6960406B2Nov 1, 2005
Electrode utilizing fluorinated carbon
TEXACO OVONIC FUEL CELL LLC4 citations62
OVONIC FUEL CELL COMPANY LLC
5 patentsUS7435492B2Oct 14, 2008
Hybrid fuel cell
OVONIC FUEL CELL COMPANY LLC11 citations83
US7175751B2Feb 13, 2007
Method and apparatus for electrorefining impure hydrogen
OVONIC FUEL CELL COMPANY LLC8 citations73
US7008706B2Mar 7, 2006
Drive system incorporating a hybrid fuel cell
OVONIC FUEL CELL COMPANY LLC7 citations73
US7309535B2Dec 18, 2007
Air breathing fuel cell having bi-cell unit cells
OVONIC FUEL CELL COMPANY LLC9 citations70
US7070878B2Jul 4, 2006
Multi-layered oxygen electrode with peroxide decomposition catalyst
OVONIC FUEL CELL COMPANY LLC4 citations62
TEXACO OVONIC BATTERY SYSTEMS
2 patentsUS7201857B2Apr 10, 2007
Performance enhancing additive material for the nickel hydroxide positive electrode in rechargeable alkaline cells
TEXACO OVONIC BATTERY SYSTEMS21 citations91
US7238446B2Jul 3, 2007
Active electrode composition with conductive polymeric binder
TEXACO OVONIC BATTERY SYSTEMS2 citations62
KRISHNAMURTHY VISHWA
1 patentOVONIE FUEL CELL LLC
1 patentTEXACO OVONIC FUEL CELL UC
1 patentTEXACO OVORIC FUEL CELL LLC
1 patentShowing the top 50 of 65 patents by PatentIndex Score.