US 11,985,928 B2
Air distribution conduit
Vincent Martijn Kickert, Den Hoorn (NL)
Assigned to VAN DER HOEVEN HORTICULTURAL PROJECTS B.V., Den Hoorn (NL)
Appl. No. 17/040,681
Filed by VAN DER HOEVEN HORTICULTURAL PROJECTS B.V., Den Hoorn (NL)
PCT Filed Mar. 25, 2019, PCT No. PCT/EP2019/057363
§ 371(c)(1), (2) Date Sep. 23, 2020,
PCT Pub. No. WO2019/185503, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 2020665 (NL), filed on Mar. 26, 2018; and application No. 2021188 (NL), filed on Jun. 27, 2018.
Prior Publication US 2021/0161082 A1, Jun. 3, 2021
Int. Cl. A01G 9/24 (2006.01); A01G 9/04 (2006.01)
CPC A01G 9/246 (2013.01) [A01G 9/047 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An air distribution conduit for use in a greenhouse defined by an elongated lower end of an elongated cultivation gutter and by an elongated flexible sheet having two elongated side ends which elongated side ends are connected to the elongated cultivation gutter and wherein the conduit is provided with multiple openings along its length fluidly connecting the interior of the conduit with the exterior of the conduit;
wherein the cultivation gutter comprises of a central strip for supporting a cultivation and two lower positioned gutters to which water can flow from a higher positioned cultivation; and
wherein the cultivation gutter is made from plate metal.