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| Number | Title | Issue Date |
| 7341015 | Watercraft drain A watercraft drain assembly has a tubular drain body having a first end and a second end, at least one inlet opening disposed on the drain body for allowing water to enter the drain body, a first outlet opening disposed at the first end of the drain body for allowin... | 03/11/2008 |
| 4913075 | Pumpless bilge water draining system and method A pumpless bilge water draining system combines a valve system and vented air loop apparatus. The vented air loop is bracketed above the load water line for positive control of the system as well as preventing the system from falling below the water line ... | 04/03/1990 |
| 4667616 | Boat drain An automatic boat drain for siphoning water from the interior of a boat, the drain including a flow tube secured to the exterior of the boat transom with the inlet end of the flow tube being below the water surface and oriented so that water is forced to ... | 05/26/1987 |
| 4595372 | Water ejector and injector attachment for boats A water ejector and injector attachment for the motor of a boat comprising a motor adapted to be secured to the frame of the boat carrying a propeller at its lower end and defining a cavitation plate extending rearwardly thereof and having a bore therethr... | 06/17/1986 |
| 4217846 | Boat bailing apparatus Boat bailing apparatus for removing water from the interior of a boat comprising: a tubular housing adapted for attachment to the transom of the boat providing a passage through which fluid may pass from the interior of the boat to the exterior thereof; a... | 08/19/1980 |
