Inventor
DHAR SUBHASH K
US25 patents
⚠️ This page may combine multiple inventors who share the name “DHAR SUBHASH K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OVONIC BATTERY CO
11 patentsUS6878485B2Apr 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
US7264901B2Sep 4, 2007
Monoblock battery
OVONIC BATTERY CO24 citations92
US7217473B2May 15, 2007
Mechanical and thermal improvements in metal hydride batteries, battery modules, and battery packs
OVONIC BATTERY CO31 citations92
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
US7172710B2Feb 6, 2007
Performance enhancing additive material for the nickel hydroxide positive electrode in rechargeable alkaline cells
OVONIC BATTERY CO0 citations52
TEXACO OVONIC FUEL CELL LLC
4 patentsUS6991719B2Jan 31, 2006
Method for producing and transporting hydrogen
TEXACO OVONIC FUEL CELL LLC21 citations92
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
US7018740B2Mar 28, 2006
Fuel cell cathode with redox couple
TEXACO OVONIC FUEL CELL LLC0 citations51
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