Patent ID: 7516739
Filing Date: 2009-04-14
Classification: A62B

Abstract:
1. A portable oxygen delivery system comprising a housing and a plurality of tanks disposed within the housing and configured to store pressurized gaseous oxygen, a plurality of output ports disposed on a first outer surface of the housing, a regulator connecting the plurality of tanks with the plurality of the output ports such that oxygen from any of the plurality of tanks can be discharged through any of the output ports, at least a first gauge disposed adjacent to the plurality of the output ports, the first gauge being of a first type of pressurized fluid gauge, a second gauge disposed on a second side of the housing, the second gauge being of the first type, a plurality of grooves being disposed on a lower surface of the housing and a corresponding plurality of projections disposed on an upper surface of the housing such that when a plurality of housings are stacked on top of each other, corresponding grooves and projections nest with each other thereby stabilizing the stack of housings.