...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 |
| 8225734 | Method for beaching a boat A method for beaching a boat that includes four steps. The first step is to attach one end of a boat fender to one end of another boat fender to form a roller assembly. The second step is to position the roller assembly near and parallel to a shoreline of a body of ... | 07/24/2012 |
| 8087371 | Deployable and inflatable fendering apparatus and method A deployable and inflatable/deflatable fendering apparatus capable of providing protection for watercrafts and docks. The apparatus has an inflatable cylindrical body, an outer collar body, and a water reservoir with an inflating and deflating means. The collar body... | 01/03/2012 |
| 8025019 | Buoyant bumper apparatus for absorbing water vessel impact against pilings A bumper apparatus includes a roller rack and rack fasteners for mounting the roller rack vertically along a dock structure; a bumper assembly having a buoyant structure having sufficient buoyancy to cause the bumper assembly to rise and fall with the water surface ... | 09/27/2011 |
| 7322307 | Buoyant bumper system A buoyant bumper system for attachment to a docking facility and cushioning a boat. The buoyant bumper system includes an elongated travel shaft for engaging the docking facility, a travel sleeve slidably carried by the travel shaft, a system float carried by the tr... | 01/29/2008 |
| 7237502 | Boat bumper A boat bumper for use on a boat dock includes a bumper body and a frame. The frame includes uprights and connectors that interconnect the uprights and permit the frame to deflect when a force is applied to the boat bumper. The body includes a base and a roller inser... | 07/03/2007 |
| 7159526 | Retractable bumper system and method A retractable boat bumper system includes a bumper plate and a positioning mechanism. The bumper plate is selectively operated between a first, retracted position wherein the bumper plate is proximate the boat and a second, extended position wherein the bumper plate... | 01/09/2007 |
| 7107923 | Vessel protection device particularly suited for protecting docked marine vessels Vessel protection device protects a floating vessel from rubbing against pilings or a stationary dock and eliminates the need for hanging or fixed vessel fenders. A fixed attachment may secure the protection device to a dock, for example, and be configured for suppo... | 09/19/2006 |
| 7090206 | Bumper system An impact absorption device is provided having a generally cylindrically shaped impact absorption member formed of an extruded material. The exterior wall defines an interior volume and further includes a flanged portion that extends to at least one end of the absor... | 08/15/2006 |
| 6948440 | Fender with leaf spring A fender having a compact spring shape for protecting an object, such as a dock or boat, includes a mounting portion connected to a resilient leaf spring portion. The leaf spring portion is designed to collapse and absorb a substantial amount of energy upon impact w... | 09/27/2005 |
| 6942533 | Floating aluminum box to protect dock workers The floating aluminum box to protect dockworkers is an aluminum cube with each side being approximately eighteen inches long. The floating aluminum box is watertight and made of one-quarter inch thick aluminum plate and of welded construction. The floating aluminum ... | 09/13/2005 |
| 6904857 | Boat lift securing device A device secured to a submersible portion of a boat lift to stabilize the submersible portion of the boat lift from unwanted lateral movement. Elongated pipe-like devices are attached to a submersible portion of a boat lift in proximity to a piling. The device is mo... | 06/14/2005 |
| 6540442 | High energy impact absorption fender system using valvular control logic An energy-absorbing "smart" bumper system features a variably controllable valve which is responsive to impact conditions. The initially closed valve opens upon maximization of the pressure reading upon the bumper, and maintains the same open setting (in ... | 04/01/2003 |
| 6406221 | Bridge pillar debris deflection apparatus A bridge pillar debris deflection apparatus (10), which attaches to a pillar supporting a structure located on a water way, such as a river or ocean. The apparatus (10) deflects debris to maintain the pillar clear from any unwanted build-up of rubbish. Th... | 06/18/2002 |
| 6332421 | Boat fender system and method A boat fender system and a method for deploying a cylindrical fender. The system includes a U-shaped member having a spindle on which is rotatably mounted a fender, and a lateral arm portion which is detachably connected to a locking assembly attached to ... | 12/25/2001 |
| 6283677 | Tailorable elastomeric composite pneumatic fender system for absorbing high energy impact An energy-absorbing bumper system features a variably controllable valve which is responsive to impact conditions. The initially closed valve opens upon maximization of the pressure reading upon the bumper, and maintains the same open setting (in other wo... | 09/04/2001 |
| 6196150 | Fender for protecting boat hulls against wear The invention concerns a fender for absorbing shocks and preventing wear of a first object in relative movement with respect to a second object, comprising a main protective element with axial symmetry and circular cross-section rotating freely about a ge... | 03/06/2001 |
| 6187420 | Fender The present invention provides a novel fender, which has a sufficient shock absorbing action with respect to a ship and is capable of dispersing a compressive force given at the time when the ship comes alongside at the pier and reducing a friction force ... | 02/13/2001 |
| 6112690 | Watercraft docking system A watercraft docking system for receiving watercraft along side of a dock. The watercraft docking system having a first and a second support member which are coupled to an elongated roller to allow the elongated roller to rotate on the longitudinal axis. ... | 09/05/2000 |
| 6053664 | Elastomeric composite bumper system and method for absorbing high energy impact The impact absorption system uniquely features arrangement of composite structures which include fiber-reinforced high strain-to-failure viscoelastic matrix material. According to many embodiments, a gravitationally or buoyantly suspended hollow fiber-rei... | 04/25/2000 |
| 5911189 | Boat guide for use in guiding a boat into or out of a boat slip A boat guide for use in guiding a boat into or out of a boat slip has an elongated upright tubular member with upper and lower end caps, each end cap having a central opening therethrough. An axle is received coaxially within the tubular member and extend... | 06/15/1999 |
| 5715769 | Simulated boat fender with an internal storage area A generally cylindrical simulated boat fender or bumper is provided that has an approximate width to length ratio of 1:3 to allow the device to be used in combination with an existing fender holder or holders mounted on a marine vessel. The device is pref... | 02/10/1998 |
| 5476060 | Cabin for docking watercraft A number of embodiments of docking watercraft, each embodying at least one cabin adapted to contain at least one bunk for accommodating a lying passenger. The cabin is disposed relative to the berthing area so that an operator on the smaller watercraft in... | 12/19/1995 |
| 5441006 | Spacer assembly particularly useful as a boat fender Protective mat assemblies are formed from lightweight beads which are secured together in a generally rectangular array. The beads have unobstructed longitudinal central openings to receive a rope. Certain of the beads have permanent rope members includin... | 08/15/1995 |
| 5429063 | Docking device The instant invention provides a docking device for a boat, which may include a pair of docking elements. Each docking element includes a vessel contacting element or wheel that may be retained between an upper wheel holder and a lower wheel holder. A spr... | 07/04/1995 |
| 5409199 | Shock absorbing fender A marine fender is disclosed which protects a vessel and a dock from damage caused by an impact. The fender is in the form of a tube with a substantial thickness, is comprised of polyurethane and has a uniform arrangement of cavities or openings in its ou... | 04/25/1995 |
| 5299522 | Inflatable acoustic buffer for boat hulls An acoustic buffer has a pair of inflatable cylinders that float in the water against the hull along the waterline around the bow of a boat to dampen noise of the water lapping against the hull when the boat is anchored. The cylinders are joined together ... | 04/05/1994 |
| 5016554 | Line storage reel for boat fenders, respectively, boat fenders equipped with line storage reels A boat fender provided with a reel about which the line, or rope, from which the boat fender is normally suspended when in use, is wound for containment and storage when such line, or rope, is not in use. The storage reel provides a means for the quick, f... | 05/21/1991 |
| 4938163 | Barge connector system A barge connecting system for connecting a first vessel to a second vessel omprising three spaced parallel rectangular shaped plates, the first plate of which is attached to the stern of a lead vessel, and the third plate of which abuts or may be attached ... | 07/03/1990 |
| 4924796 | Replaceable inflation valve A replaceable inflation valve for a marine fender wherein, in one embodiment, the valve is slidably received in a valve seat formed in the fender, and wherein a bored collar is threadably received in the valve seat to hold a flexible member of the valve i... | 05/15/1990 |
| 4887934 | Impact absorbing device A floating impact absorbing device for use in docking two adjacent vessels wherein at least two laterally spaced supports journal the ends of a pair of shafts for movement in a common plane. Torsion springs are journaled on the shafts and each torsion spr... | 12/19/1989 |
| 4854258 | Bumper rub strip assembly A bumper assembly to protect a marine or related dock from vessels or vehicles composed of a bumper strip of ultra-high molecular weight preferably 3.5 to 6 million molecular weight polyethylene covering a mass of rubber attached to the dock wall.... | 08/08/1989 |
| 4841893 | Boat fender A boat fender is provided with circumferential rings to prevent the fender from popping up from between the side of a boat and a corresponding dock or other structure to which the boat is tied off, with the circumferential exteriorally projecting rings pr... | 06/27/1989 |
| 4715310 | Marine shock absorbing apparatus with stabilizers In a shock absorbing system for an offshore platform one or more shock absorbing cells receive the initial impact of a floating vessel. When such a cell becomes disfunctional or damaged, it is temporarily immobilized by positioning a stabilizer thereon. T... | 12/29/1987 |
| 4697956 | Pivotal bumper attachment A bumper for attachment to a leg of an offshore platform comprising an upright, bumper holding element which carries resilient bumper members. A first arm projects outwardly from the upright element above the water line for fixed attachment to the leg of ... | 10/06/1987 |
| 4657440 | Fender A fender adapted to be mounted on a shore, for cushioning impacts applied by a ship to the shore installation, comprises first buffer elements 3, each of which has a circumferential surface for receiving impacts and an axial bore 3d, a horizontal shaft 2 ... | 04/14/1987 |
| 4480574 | Boat with seismic gun jib A ship is disclosed for seismic or geophysical exploration. The ship is provided with a pair of jibs which are supported between upper and lower decks for pivotal movement between a retracted position between the decks and an outwardly pivotted position e... | 11/06/1984 |
| 4478536 | Adjustable length shock absorbing arrangement for a marine structure Annular, hollow upper and lower members are secured to an upwardly extending supporting leg of an offshore structure to project therefrom in generally the same plane. Each of the members includes a cylinder with the upper and lower cylinders being axially... | 10/23/1984 |
| 4426174 | Easily replaceable shock absorber mount for vessel bumper on a marine structure An annular hollow support telescopically receives an annular hollow body in which is molded a longitudinally extending cylinder embedded in a frangible mass. The support includes an annular flange to seat and position the hollow body so that the hollow bo... | 01/17/1984 |
| 4411556 | Barge bumper construction A bumper construction for offshore oil rig structures in which an upright metal bumper pipe member of considerable length is encased or sheathed loosely with a tubular rubber enclosure rotatable on the pipe member. The tubular enclosure is formed by a ser... | 10/25/1983 |
| 4406241 | Device for absorbing friction between ship's hulls and the quay walls The device comprises worn pneumatic tires positioned against one another on a cylindrical metal tube. The tube is filled with light concrete. The worn tires are filled with a low density elastic material. The part of the tires adjacent to the tube is clos... | 09/27/1983 |