Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7743723 | Davit assembly and a method for moving a boat An onboard davit assembly for launching a boat from a ship is disclosed. In at least one embodiment, the assembly includes two spaced apart davits, each davit including a substantially horizontal boom, a hoist cable extending downwards from a suspension frame on the... | 06/29/2010 |
| 7293521 | Hydraulic transom lift Devices, apparatus and systems for raising and lowering watercraft such as personal watercraft, jet skis, inflatables from transoms on boats, from bulkheads and from docks, and for raising and lowering other types of vessels. A single actuator such as a fluid operat... | 11/13/2007 |
| 7162969 | Boat Platform A platform unit (2) is seated on the tail (5) of a hull (1) of a boat and may be lowered by powered actuator means (8) down guides (7) on an incline (6) to descend into the water. This exposes steps (62) in the inclin... | 01/16/2007 |
| 7069874 | Davit-launched life raft Life raft (1) launched by davit (7) and comprising for this purpose hanging means (4, 5) able to be held in a hook (6) suspended from the davit (7), this raft (1) being fitted out with equipment comprising at least one load ... | 07/04/2006 |
| 7056167 | Life boot A multipurpose amphibious vehicle is configured with an enclosed cabin to protect occupants from impacts, hazardous environments, fire and extreme temperatures. The vehicle can be deployed from an aircraft with a parachute to remote areas for rescue, relief and secu... | 06/06/2006 |
| 6953003 | Watercraft landing cradle A parallelgram arrangement of linkages interconnect a stern ramp frame with a plurality of parallel rails vertically adjusted to positions above the ramp frame by actuators for reception and maintenance of a watercraft thereon with minimized vibration, further reduc... | 10/11/2005 |
| 6938572 | Swim lift platform A swim lift platform using hydraulic force to lift a swimmer between positions in which the platform is above water level to a submerged position. The movement is under the control of a swimmer occupying the platform. ... | 09/06/2005 |
| 6782842 | Boat-lift systems and methods A boat-lift system adapted to move a smaller boat relative to a larger boat. The boat-lift system comprises a structural support, a lift structure, a pivot system, and an actuator assembly. The structural support is adapted to be rigidly connected to a transom of th... | 08/31/2004 |
| 6474256 | Dinghy lift A dinghy lift for mounting to a boat beneath a swim platform. The dinghy lift includes a pair of space-apart lift mechanisms that are mounted to the stern beneath the swim platform. The lift mechanisms do not extend outwardly beyond the swim platform and ... | 11/05/2002 |
| 6327992 | Hydraulic lift for small watercraft mounted to a boat transom A transom bracket enclosing a hydraulic power cylinder is mounted to the transom of a watercraft. An actuation rod of the power cylinder moves multiple lift arms connected to a platform bracket supporting a platform for supporting a small auxiliary waterc... | 12/11/2001 |
| 6047659 | Mounting apparatus for a lift assembly A mounting apparatus comprises a plurality of main support tubes securely affixed to the transom and substantially hidden within the hull of a marine vessel. The number of main support tubes corresponds with the number of support units of a lifting device... | 04/11/2000 |
| 5690045 | Personal watercraft lift at transom A hoisting mechanism attached to the transom of pleasurecraft is provided which raises and lowers a platform to hoist personal watercraft, such as a water jet propelled personal watercraft, into and out of the water with a minimal amount of apparatus exte... | 11/25/1997 |
| 4627377 | Davit device A platform for a small boat or the like is pivoted to the free end of a pair of arms which are pivoted at their opposite ends to a larger boat such as a yacht. The arms are controlled by an hydraulic jack and a second hydraulic jack is arranged to drive o... | 12/09/1986 |
| 4586453 | Launching apparatus for boats Apparatus for launching a lifeboat, rescue craft or like small craft from a marine platform or other vessel in a bows-out heading comprises a boom mounted on the vessel that deploys outwardly as the boat is lowered and that carries a bow line releasably a... | 05/06/1986 |
| 4364326 | Devices to control boats and other objects on moving ships This invention relates to devices and methods to control the movement of boats and other objects, for example container loads, which are being moved above the deck of a ship moving in a seaway. In particular it is concerned with devices to restrain a boat... | 12/21/1982 |
