US 12,356,906 B2
Hydroponic high density grow board for deep water culture
Nicholas Alexander Chaney, Clarksville, OH (US)
Assigned to BRIGHTFARMS, INC., Irvington, NY (US)
Filed by BRIGHTFARMS, INC., Irvington, NY (US)
Filed on Mar. 23, 2021, as Appl. No. 17/209,709.
Claims priority of provisional application 62/993,252, filed on Mar. 23, 2020.
Prior Publication US 2021/0289725 A1, Sep. 23, 2021
Int. Cl. A01G 31/04 (2006.01); A01C 7/00 (2006.01)
CPC A01G 31/042 (2013.01) [A01C 7/002 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A raft for growing crops hydroponically, comprising:
a rectangular frame;
a plurality of ribs within and connected to the rectangular frame; and
a plurality of furrows, wherein each of the plurality of furrows is defined by the plurality of ribs, so that each furrow is between a pair of the plurality of ribs,
wherein each of the plurality of ribs has a top surface, wherein the top surface has no flat portion,
wherein each of the plurality of ribs has a width that increases in a direction from the top surface to a bottom surface of the ribs, so that each of the plurality of furrows is narrower at the bottom end than at the top end, wherein each of the ribs has a concave surface on an underside thereof, and
wherein the raft is made of a material that consists of expanded polypropylene.