| 429 / | HD | CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS |
| 12 | ![]() | FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING {10} |
| 13 | DF | .~> Process of operating {3} |
| 18 | DF | .~> Plural cells having means to reduce ionic short circuit |
| 19 | DF | .~> Having means for active material generation or regeneration {2} |
| 22 | DF | .~> Automatic control means {3} |
| 26 | DF | .~> Having heat exchange means |
| 27 | DF | .~> Active material electrode-type cell or subcombination thereof {2} |
| 30 | DF | .~> Solid electrolyte {3} |
| 34 | DF | .~> Housing member, seal, spacer or fluid distributing or directing means {1} |
| 40 | DF | .~> Catalytic electrode structure or composition {3} |
| 46 | DF | .~> Chemically specified electrolyte |