US Patent 10144513 High density full flat business class seat cabin

Described are arrangements of seats, which include at least one column having rows of pairs of seats (12A,12B), each seat having a chair position and a bed position. A pair of foot wells (34A,34B) are positioned within an aft side of each row and configured to vertically align with the pair of seats in a next-aft row when the pair of seats are positioned in the bed position. The bed position of a first seat (12A) of the pair of seats is vertically offset from the bed position of a second seat (12B) of the pair of seats so that the first seat has a high bed position and the second seat has a low bed position.