73487183
Jun 27, 1984
Nov 19, 1985
SYSTEM FOR PRODUCTION OF METHANE GAS FROM ANIMAL MANURE AND OTHER BIO-CONVERTIBLE WASTES AND MATERIALS CONSISTING OF THE FOLLOWING PARTS SOLD AS A UNIT; AN AIRTIGHT AND INSULATED DIGESTOR TANK, PUMPS, HEAT EXCHANGER, HEATERS FOR DIGESTOR TEMPERATURE MAINTENANCE, A GAS SCRUBBER, A COMPRESSOR, AND ASSOCIATE CONTROLS INCLUDING SWITCHES, GUAGES, VALVES AND PIPING AND IN CERTAIN APPLICATIONS AN ENGINE GENERATOR FOR CONVERTING THE METHANE GAS TO ELECTRICITY FOR USE ON A FARM OR FOR SALE TO AN ELECTRIC POWER COMPANY
Machinery