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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8091501 | Amphibious boats, canoes and kayaks An amphibious small boat, including rowing/fishing/motor/sailing boats, canoes and kayaks has a removable, retractable wheeled undercarriage enabling the craft to be trailered or managed singlehandedly on the ground; or the undercarriage retracted inboard. The canoe... | 01/10/2012 |
| 7690320 | Enclosure device for a marine drive unit An enclosure device has a protective cage shaped to fit around a marine drive unit of a boat, and trailer mounting elements adapted to be mounted on a trailer carrying the boat. Pivotal elements pivotally mount the protective cage on the trailer mounting elements so... | 04/06/2010 |
| 7637223 | Apparatus and method for transporting a vessel An apparatus and method for transporting a vessel is provided. The apparatus includes: a base which is attachable to the vessel; and a wheel rotatably mountable to the base such that the apparatus is operable at the wheel to support the vessel substantially midway b... | 12/29/2009 |
| 7527013 | Multi-function watercraft portage device An assembly for transporting a watercraft, wherein the assembly remains coupled to the watercraft during transport of the craft and during operation of the craft. The assembly is rotatably adjustable through a range of positions including a transport position, a plu... | 05/05/2009 |
| 7520239 | Retractable leg assembly for amphibious vehicle Leg assembly (10) for an amphibious vehicle comprises leg (11) and hydraulic ram (33) each pivotally mounted, above the waterline, externally to hull (17). The line of action of ram (33) is such that it is optimal (eg less than 30 ... | 04/21/2009 |
| 7455026 | Structure for use in body of water A structure can be installed in and removed from a body of water in a seasonal fashion. The structure has a lower level that includes a boat lift and may include an upper level that provides an entertainment area. The structure carries a buoyancy system for selectiv... | 11/25/2008 |
| 7357091 | Rapid self-repairing and unsinkable watercraft A self-repairing and unsinkable watercraft has the hull of the mid section of the craft covered by two moveable water impermeable sheaths. The sheaths rotate in opposite directions to temporarily seal a breach and to allow for better ease of permanent repair or repl... | 04/15/2008 |
| 7329161 | Amphibious recreation vehicle An amphibious passenger vehicle having several open or covered holes and a surrounding cover to accommodate fishing and hunting. An aft mounted engine, forward/reverse transmission, drive linkage and disk/caliper brake assembly controls a pair of rear wheels. Electr... | 02/12/2008 |
| 7314395 | Amphibious vehicle An amphibious vehicle (1), in the form of an inflatable boat (2) has a self propelled and steerable retractable undercarriage system, enabling the vehicle to enter and exit the water under its own power. The swing of the wheels and their supporting str... | 01/01/2008 |
| 7311568 | Amphibious vehicle An amphibious vehicle wheel suspension includes upper and lower linkages, a road suspension device and a retraction device for moving the wheel between a protracted position for road use, and a retracted position for marine use. Suspension device can be operatively ... | 12/25/2007 |
| 7281484 | Multimission transonic hull and hydrofield A transonic hull having a bow, a stern, a longitudinal length therebetween, side surfaces extending from the bow to outboard portions of the stern, a lower surface extending between the side surfaces, the transonic hull having a submerged volume with an approximatel... | 10/16/2007 |
| 7275907 | Boat trailer tug The boat trailer tug includes a primary frame with a mounting beam that is attachable to a boat trailer frame. A primary collar is fixed to the mounting beam front end. A hitch tongue is connected to the collar and extends forward from the collar. A hitch ball recei... | 10/02/2007 |
| 7273019 | Seasonal, multi-use, multi-level structure transportable both by ground and water for use in a body of water A multi-use, multi-level structure can be installed in and removed from a body of water in a seasonal fashion. The structure has a lower level that includes a boat lift and an upper level that provides an entertainment area. The structure carries a ballast system fo... | 09/25/2007 |
| 7267071 | Apparatuses and methods useful for centering watercraft Apparatuses and methods useful for helping to center watercraft—such as personal watercraft, ski boats, fishing boats, luxury boats, and the like—as they are docked (such as on trailers or watercraft-lifting systems), especially in rough waters and/or strong cro... | 09/11/2007 |
| 7267074 | Bi-fold dinghy A bi-fold dinghy, which is foldable from front to back, is being claimed in this application. It will be easily stowed and transported on the back of a sailboat or other vessel like the traditional dinghy. It will allow individuals to get to and from the boat and as... | 09/11/2007 |
| 7243928 | Foldable field transportable cart for small boats A lightweight foldable cart for transporting on wheels one end of a small boat including a pair of identical frame or strut members, each being U-shaped with spaced arms extending parallel to each other from ends of a rear plate. Distal ends of the arms each include... | 07/17/2007 |
| 7237788 | Boat loading system A system enables a boat to be loaded from water onto a trailer that is partially submerged on a ramp at the edge of the water. One part of the system is a connector that is mounted on the keel of the bow. Another part of the system is a transversely mounted removabl... | 07/03/2007 |
| 7219613 | Reconfigurable attack and reconnaissance vessel II A reconfigurable marine vessel is disclosed. The marine vessel includes an upper hull, two propulsion hulls, and two struts for coupling the propulsion hulls to the upper hull. The struts are segmented and are capable of reconfiguring the marine vessel. The upper hu... | 05/22/2007 |
| 7216602 | Seasonal, multi-use, multi-level structure transportable both by ground and water for use in a body of water A multi-use, multi-level structure can be installed in and removed from a body of water in a seasonal fashion. The structure has a lower level that includes a boat lift and an upper level that provides an entertainment area. The structure carries a buoyancy system f... | 05/15/2007 |
| 7216603 | Structure for use in body of water having reduced width for ground transport A structure can be installed in and removed from a body of water in a seasonal fashion. The structure has a lower level that includes a boat lift and may include an upper level that provides an entertainment area. The structure carries a buoyancy system for selectiv... | 05/15/2007 |
| 7213798 | Method and apparatus for retrieving submerged vehicles A submerged vehicle extraction method employing a specifically designed apparatus known as the submerged vehicle extractor. The primary purpose of the submerged vehicle extractor is to facilitate the transferring of a vehicle that has broken through the frozen surfa... | 05/08/2007 |
| 7207851 | Amphibious vehicle Amphibious vehicle needs less power on land than on water. A control system is provided to limit power and/or speed on land, using: restriction of flow of fuel, air, or exhaust gases; heated intake air; exhaust gas recirculation; declutching of a supercharger; bypas... | 04/24/2007 |
| 7191726 | Boat pad and boat pad assembly A boat pad may include a planar member composed of an elastomeric, rubber or like material. The planar member may include a plurality of spaced-apart raised features formed on a surface thereof and which are configured to contact a surface of a water vessel hull as ... | 03/20/2007 |
| 7179041 | Multi-compartmental winch device An apparatus positions a boat having a clip attached to a bow onto a boat trailer. The apparatus is used with a winch and two guides mounted on the boat trailer. The two guides are positioned a selected distance from the winch toward the rear of the boat trailer and... | 02/20/2007 |
| 7162967 | Control system for positioning of marine seismic streamers A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The metho... | 01/16/2007 |
| 7150442 | Ice shelter modular seating system An ice shelter modular seating system includes a base unit, one or more seat mount units and one or more seat leg units. The base unit is a generally rectangular tub-like member having a front wall and a floor. The floor includes a longitudinally extending and integ... | 12/19/2006 |
| 7147240 | Self-propelled platform for watercraft A self-propelled platform for a small watercraft. The platform is used to carry a small watercraft from a storage place on the land to sea, and when the watercraft is in use, the platform enables the watercraft to be moored and stored on sea. The platform also enabl... | 12/12/2006 |
| 7143868 | Underdeck pontoon lift system An underdeck pontoon lift system for supporting pontoons of various sizes in a stable manner. The underdeck pontoon lift system includes a base structure, a plurality of front lifting jacks and a rear lifting jack pivotally attached to the base structure, a support ... | 12/05/2006 |
| 7143713 | Carrier for personal watercraft A trailer for launching a boat and a personal watercraft includes a chassis. An elevated platform attached to the chassis supports a personal watercraft above the chassis. A boom assembly pivots relative to the chassis between stored and launch positions. The boom a... | 12/05/2006 |
| 7128175 | Multi-terrain amphibious vehicle A multi-terrain amphibious vehicle for travel across various types of surfaces and upon various bodies of water. The vehicle has an elongated longitudinally extending chassis having a bottom surface having a centerline. A plurality of left side propulsion units and ... | 10/31/2006 |
| 7117809 | Floating dry dock for light watercrafts A watercraft support platform casing for a floating dry dock for light weight watercrafts is described. The support platform casing has integrally formed floatation chambers and an elongated central ramp is formed in the top surface of the casing to support the hull... | 10/10/2006 |
| 7117646 | Privacy enclosure A privacy enclosure for use on a boat. The privacy enclosure includes a plurality of rigid wall structures that raise in a first vertical direction and extend in a second lateral direction to provide sufficient space for use as a changing room. The privacy enclosure... | 10/10/2006 |
| 7093555 | Docking system A docking system for a watercraft having a cross member carrying a tow hook cart to engage a bow eye on the watercraft and thereafter permit docking of the watercraft. The cross member is supported by at least one upright structure and may include a latch mechanism ... | 08/22/2006 |
| 7063039 | Trailer position indicator A trailer position indicator having a trailer attachment member, a boom arm, and a guidance member is provided. The trailer attachment member is configured to be attached to a cross member of a boat trailer. The boom arm is pivotally connected at a lower end to the ... | 06/20/2006 |
| 7063033 | Stackable watercraft float system A pair of spaced parallel female slots or grooves located on the bottom of a watercraft float enable the pair of spaced parallel male ribs or rails located on top of a float to fit within the slots or grooves on the bottom of another float when the watercraft floats... | 06/20/2006 |
| 7055449 | Apparatuses and methods useful for centering watercraft Apparatuses and methods useful for helping to center watercraft—such as personal watercraft, ski boats, fishing boats, luxury boats, and the like—as they are docked (such as on trailers or watercraft-lifting systems), especially in rough waters and/or strong cro... | 06/06/2006 |
| 7044076 | Pontoon for protection barrier system A pontoon provides buoyancy for a protection barrier to be provided in a body of water. The pontoon includes a metal structural member; a urethane inner shell that encases a portion of the metal structural member; a polyethylene region that encases the urethane inne... | 05/16/2006 |
| 7021228 | Road towed ferry This invention is a road towed ferry with a hull system with a central hull and multiple outboard hulls having adjustable positions relative to the central hull. A first outboard hull position corresponds with a road tow configuration wherein the ferry may be towed ... | 04/04/2006 |
| 7004801 | Amphibious vehicle An amphibious vehicle (1), in the form of an inflatable boat (2) has a self propelled and steerable retractable under-carriage system, enabling the vehicle to enter and exit the water under its own power. The swing of the wheels and their supporting st... | 02/28/2006 |
| 6988456 | Personal watercraft A personal watercraft including a hull and at least two pontoons repositionably attached to the hull with at least one pontoon attached proximate the starboard side and at least one pontoon attached proximate the port side. The pontoons are laterally and longitudina... | 01/24/2006 |
