ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,353, issued on March 31, was assigned to NW Systems Ab Oy (Sundom, Finland).
"Greenhouse air humidity and/or temperature control" was invented by Daniel Nordberg (Sundom, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control arrangement for controlling the temperature and/or humidity conditions of a greenhouse. Greenhouse air flow from the greenhouse is received in a first heat exchanger. Heat is exchanged between the greenhouse air flow and an ambient air flow in the first heat exchanger. The first heat exchanger removes moisture from the greenhouse air flow by condensing. After the exchange of heat in the first heat exchanger, the gree...