ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,382,882, issued on Aug. 12, was assigned to Van der Hoeven Horticultural Projects B.V. (Den Hoorn, Netherlands).
"Greenhouse" was invented by Willem Nowe ('s-Gravenzande, Netherlands) and Vincent Martijn Kickert (Den Hoorn, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for conditioning the air within a greenhouse comprising transparent walls and a structure including one or more ridge beams as part of a roof of the greenhouse. The process comprises maintaining a pressure difference between an average pressure within the greenhouse and a pressure exterior to the greenhouse, taking in air from the exterior of the greenhouse and mixi...