Today in 1969, US Patent 3450600 A was issued, an invention of James Richard Allan Pollack, Alan Aldred Pool, and Graham John Ellis, assigned to Arthur Guinness Sons & Co. Dublin, The Irish Mallsters Association, and Rimer Mfg. Co. Ltd., for their “Malting Apparatus In Series.” There’s no Abstract, although in the description it includes this summary:

[This invention is an] Apparatus for malting steeped cereal grain comprising two vessels one of which is a malting vessel and the other a storage vessel. The internal surface of the malting vessel converges downwardly toward the outlet. Sweeper means within the malting vessel is gyrationally mounted adjacent the outlet, grain engaging means provided on the sweeper, and the sweeper is adapted to sweep over substantially the whole area of the convergent surface for loosening the grain to be discharged. Means associated with the malting vessel for adjusting temperature, humidity, and rate of air flow therein to condition the cereal grain. First transfer means for conveying grain discharged from the malting vessel to the storage vessel. Second transfer means associated with the storage vessel for returning to the inlet means of the malting vessel grain discharged from the storage vessel.