US 9,809,211 B2
Three stage watercraft
Walter Schulz, New Bedford, MA (US)
Filed by Walter Schulz, New Bedford, MA (US)
Filed on Jun. 23, 2017, as Appl. No. 15/632,096.
Application 15/632,096 is a continuation in part of application No. 15/080,509, filed on Mar. 24, 2016, granted, now 9,688,356.
Claims priority of provisional application 62/137,720, filed on Mar. 24, 2015.
Prior Publication US 2017/0291592 A1, Oct. 12, 2017
Int. Cl. B63B 1/24 (2006.01); B60V 1/22 (2006.01); B63H 7/02 (2006.01); B63B 1/26 (2006.01); B63B 1/32 (2006.01); B60V 1/14 (2006.01)
CPC B60V 1/22 (2013.01) [B60V 1/14 (2013.01); B63B 1/248 (2013.01); B63B 1/26 (2013.01); B63B 1/322 (2013.01); B63H 7/02 (2013.01); B63B 2759/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A watercraft for three-stage operation, in a first stage the watercraft riding in the water as a boat, in a second stage the watercraft riding on the surface of the water, and in a third stage the watercraft being in contact with the water while traveling in ground effect, the watercraft comprising:
a hydro-wing including a combined hull and wings, the hull constructed and arranged to support a cabin, and the wings constructed and arranged to provide lift, a bottom surface of the combined hull and wings forming a substantially continuous ground effect surface of the hydro-wing;
at least a single hydrofoil supported by the hydro-wing;
a pair of outboard hydro-floats supported on the bottom surface of the hydro-wing on a port and a starboard side thereof; and
at least one pivotally mounted air propeller, pivotal between a first position substantially parallel to a horizontal plane of travel of the watercraft and second position substantially vertical to a horizontal plane of travel of the watercraft.