US 12,108,743 B2
Raiseable floating structure and a method for raising the same in a water column
Alf Reidar Sandstad, Stavanger (NO)
Assigned to Spring Innovation AS, Stavanger (NO)
Appl. No. 17/275,026
Filed by Spring Innovation AS, Stavanger (NO)
PCT Filed Sep. 12, 2019, PCT No. PCT/NO2019/050185
§ 371(c)(1), (2) Date Mar. 10, 2021,
PCT Pub. No. WO2020/055268, PCT Pub. Date Mar. 19, 2020.
Claims priority of application No. 20181197 (NO), filed on Sep. 13, 2018.
Prior Publication US 2022/0061277 A1, Mar. 3, 2022
Int. Cl. A01K 61/60 (2017.01)
CPC A01K 61/60 (2017.01) 15 Claims
OG exemplary drawing
 
1. A floatable structure for fish farming in a body of water, the floatable structure comprising
a cage having a surrounding wall and a bottom, wherein together the surrounding wall and the bottom are configured to retain fish; and
a surrounding skirt extending downwardly from the bottom, wherein the surrounding skirt and the bottom together define a bottom section that is open to the body of water and together with the body of water retains a gas for providing buoyancy to the floatable structure;
wherein the bottom section comprises at least one bulkhead dividing the bottom section into at least two buoyancy sections.