KEEPALIVE, INC. Patent applications |
Patent application number | Title | Published |
20100206240 | ENDLESS STREAM FISH TANK - An endless flow fish tank, which occupies relatively little space, yet allows instinctively swimming fish to swim comfortably. Aerated water is pumped in one direction through a swim chamber, and water returns through a space between inner and outer container, through return flow piping, or through a second swim chamber which also serves as a return flow chamber. | 08-19-2010 |
20090120853 | ENDLESS STREAM FISH TANK - A single tank configuration of a fish tank or livewell includes an outer container; an inner container installed inside the outer container, the inner container having a first end with an entry hole and a second end with an exit hole; and a pump installed between the inner and outer containers at one end of the fish tank or livewell for facilitating water circulation inside the fish tank or livewell. The inner and outer containers have an elongated shape. A double tank configuration of a fish tank or livewell includes two single tanks; connecting pipes for connecting the two single tanks to each other; and at least one pump installed between the two single tanks ( | 05-14-2009 |
20080226467 | IMPELLER WITH ANTI-VAPOR LOCK MECHANISM - An impeller for preventing air-lock in a pump, the impeller in its basic embodiment includes a top plate, the top plate having a center axis and a peripheral edge, a plurality of vanes, each vane attached to the top plate, at least one small protrusion projecting from the periphery of the top plate, and at least one ventilation channel having an outlet located near the protrusion, and an inlet located near the center axis of the top plate. The present invention also contemplates a centrifuge pump and an aerator device having the impeller of the present invention. | 09-18-2008 |