US Patent 10086977 Holding device for fluid medium

A fluid medium holding device may include a holder body having a plurality of side walls, a bottom wall and an opening defined by the side walls that allows access to an interior space of the holder body. The holding device may also include a first handle attached to the first wall of the holder body and pivotable about a first pivot axis; and a second handle attached to the second wall of the holder body and pivotable about a second pivot axis. The first and second handles can be folded on an upper edge of the holder body with the first and second handles positioned generally parallel to each other.