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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7244156 | Lightweight marine buoy and method of handling the same A lightweight constructed navigation buoy, and method for handling the same, is provided with waterborne stability comparable to the conventional and much heavier navigation buoys. The desired waterborne stability is achieved using a liquid-ballasting/-venting syste... | 07/17/2007 |
| 7156712 | Floating debris and weedline marker A marker for marking debris, weed lines and/or other objects floating in a body of water. The marker can consist of a tube, such as a plastic tube having a weighted end such that the marker floats upright in the ocean. Preferably, the marker is coated with a fluores... | 01/02/2007 |
| 7083484 | Inflatable dive marker and collection bag An inflatable diver marker and collection bag is disclosed which can be utilized by a diver for collecting lobster, conch, etc., as well as providing for a diver location marker to boats and other water vehicles traveling in the vicinity of the diver. The dive marke... | 08/01/2006 |
| 7001233 | Stackable buoy with rope nesting grooves The buoy has small and large cylindrical sections contiguous with each other and having a common central axis. A hole extends along the common central axis, for receiving a mooring rope. The small section has dimensions to fitly engage into a cavity in the bottom of... | 02/21/2006 |
| 6860773 | Inflatable dive marker and collection bag An inflatable diver marker and collection bag is disclosed which can be utilized by a diver for collecting lobster, conch, etc., as well as providing for a diver location marker to boats and other water vehicles traveling in the vicinity of the diver. The dive marke... | 03/01/2005 |
| 6652339 | Inflatable dive marker and collection bag An inflatable diver marker and collection bag is disclosed which can be utilized by a diver for collecting lobster, conch, etc., as well as providing for a diver location marker to boats and other water vehicles traveling in the vicinity of the diver. The... | 11/25/2003 |
| 6463800 | Energy conserving moored buoyant ocean profiler An energy conserving moored buoyant ocean profiler wherein an instrument carrying vertically traversing buoyant member of low buoyancy is interconnected with a second buoyant member of high buoyancy to travel in the opposite direction at lesser distance, ... | 10/15/2002 |
| 6273773 | Scuba diver's marker buoy and dry box A dive buoy/dry box assembly comprising a hollow canister-like main float assembly having a hinged latchable air-tight sealing lid, a collapsible marker flat and mast removably attached to the lid, a collapsible staff and ballast weight removably attached... | 08/14/2001 |
| 6183326 | Communication buoy with ice penetrating capabilities A deployable buoy having a nose cone and a tail section interconnected by a housing. The buoy comprises an outer shell and a canister with the outer shell axially moveable relative to the canister. An expansion chamber is provided between the outer shell ... | 02/06/2001 |
| 6092483 | Spar with improved VIV performance A method for reducing VIV is disclosed for a spar platform having a deck, a cylindrical hull having a buoyant tank assembly, a counterweight and an counterweight spacing structure. The overall aspect ratio of the hull is reduced by providing one or more a... | 07/25/2000 |
| 6086439 | Adjustable depth marker buoy An adjustable depth marker buoy for marking a spot beneath the surface of water. The buoy includes a float for floating on the surface of the water and a reel assembly disposed in the float. The bottom wall of the float has a weight depending therefrom th... | 07/11/2000 |
| 6021731 | Ballast system for underwater vehicle A ballast weight system for releasably attaching a ballast weight to an urwater vehicle is disclosed where the system comprises a ballast weight, a housing disposed about the ballast weight, a fairing connected to the ballast weight to facilitate a flush... | 02/08/2000 |
| 5769677 | Marker buoy A marker buoy includes a base with a post coupled to and extending theref, a line attached to the post and is wrapped about a portion thereof, and a float attached to the line and fitted over the wrapped portion of the post. When the marker buoy is deplo... | 06/23/1998 |
| 5735719 | Combination inflatable dive flag and float A combination inflatable dive flag and float that visually marks a position in a waterway where a diver is diving. The combination includes an inflatable, hollow, elongated, slender, vertically-oriented, and generally cylindrically-shaped mast tube, and a... | 04/07/1998 |
| 5727974 | Liquid-filled underwater sculptural object A flexible envelope made of water-tight material, such as rubber or plastic, partially filled with water, having a bubble of air at its upper end, and a weight at or attached to its lower end, the envelope being shaped and decorated for visual effect, whe... | 03/17/1998 |
| 5528851 | Fishing line bobber A bobber for supporting a fishing line within a body of water. The inventive device includes a spherical floatation member having a hollow hemi-spherical weight secured to a lower end of the floatation member. A swivel and line clasp extend from a center ... | 06/25/1996 |
| 5516316 | Diver awareness buoy A diver awareness buoy for signaling the presence of scuba divers diving underwater within a general diving area including a base and an inflatable bladder having a main body. The main body has a humanoid configuration including a torso section and a head... | 05/14/1996 |
| 5461816 | Decoy anchor A unitary structure which serves as a waterfowl decoy anchor having attached anchor line which structure is configured to be removably received for storage on the keel of a floatable waterfowl decoy.... | 10/31/1995 |
| 5449307 | Sea surveillance and control apparatus An apparatus and method for establishing and maintaining control over an area of the sea from a remote location, consisting of a remote control point, a number of submersible satellite stations and means for communicating by radio or conductive cable betw... | 09/12/1995 |
| 5379267 | Buoyancy control system A buoyancy control system is disclosed for maintaining a buoyant vehicle at a controlled depth by jettisoning either a heavy liquid or a light liquid. The control system monitors the depth of the buoyant vehicle and determines the direction and magnitude ... | 01/03/1995 |
| 5348501 | Compact retrievable marker buoy A compact, retrievable and inexpensive marker buoy has a primary housing in the shape of an hourglass having a throat in the center, and a base. The primary housing has a waterproof chamber situated closer to one end than the other and a non-waterproof ch... | 09/20/1994 |
| 5234365 | Marker buoy apparatus A marker buoy for temporary indication of various fishing positioning is provided to include buoyant structure to rotatably accommodate a spool therebetween, with the spool rotatably operative through a rotary tool to effect selective winding and unwindin... | 08/10/1993 |
| 5188551 | Marker body A marker device for fishermen including a body or flotation portion made from a transparent, plastic bottle. A sheet of brightly colored fluorescent or retroreflective paper lines the inside of the bottle, making the marker highly visible. A threaded cap ... | 02/23/1993 |
| 5098323 | Device for positioning of a buoy body Device for positioning a buoy body, comprising a ballast weight which in use is positioned under the buoy body and is provided with anchors, and a coupling connecting the ballast weight to the buoy body. The greatest horizontal cross sectional dimension o... | 03/24/1992 |
| 5066256 | Buoy and releasing system for ships in distress An improved water flotation release device for locating the submerged position of ships that have sunk. The device comprises an improved release buoy that is self contained and communicating and a releasing system that leads to non-violent and reliable re... | 11/19/1991 |
| 4981453 | Emergency transmitter buoy and bracket assembly An emergency position indicating radio beacon is controlled by an annular switch ring which rotates to ON, OFF, SET, and TEST positions. In the SET position, the buoy transmitter automatically turns on in response to removal of the buoy from a mounting br... | 01/01/1991 |
| 4927394 | Unitary buoy This invention is directed at a buoy which includes a body portion having a handle portion extending from one end and an engagement means extending from the other. The body portion of the buoy may be hollow and may be filled with flotation material. The h... | 05/22/1990 |
| 4639227 | Buoy A buoy having a mainly circular upper surface and on this surface an auxiliary circular float body located at the center of this surface, the dimensions of the this upper surface and the auxiliary float body being such, that the buoy in rough water restor... | 01/27/1987 |
| 4579536 | Floating search and rescue inflatable pyramid A pyramid constructed of upstanding inflatable beam members extending from an inflatable base upwardly to an apex. The inflatable base carries an integral sea anchor depending therefrom, comprising an inflatable cross tube carrying a centrally depending i... | 04/01/1986 |
| 4573933 | Floating search and rescue inflatable pyramid A pyramid constructed of upstanding inflatable beam members extending from an inflatable base upwardly to an apex. The inflatable base carries an integral sea anchor depending therefrom, comprising an inflatable cross tube carrying a depending inflatable ... | 03/04/1986 |
| 4557697 | Method of delivering to ocean bottom and raising to surface of station for deep water researches and design of station delivered using said method A method of delivering to the ocean bottom and raising to the surface of a station provided with instrument packages for deep-water researches is realized by way of free submergence of the station in a water mass under the action of negative buoyancy of a... | 12/10/1985 |
| 4544364 | Illuminated buoy marker The present invention is a self-setting, illuminated buoy marker for anglers, made of a translucent material which is elongated in shape and has a bifurcated body of two end members connected to a narrow waist stem member. The marker has a lighting device... | 10/01/1985 |
| 4501563 | Marker buoy There is provided a marker buoy useful to indicate the location of an underwater structure. The buoy is made from a material having a density less than water, including first and second elongated side members and a central portion therebetween. The centra... | 02/26/1985 |
| 4498879 | Emergency rescue device An emergency rescue assembly comprising a container attachable to a boat so as to overhang the water, with an automatically inflatable location or flotation device stored in the container. The container is readily opened by a pull on a release so that the... | 02/12/1985 |
| 4487151 | Floating highway The present invention is a floating highway unit which has a structure which facilitates both removal from linkage in a series of units forming the highway, provides for simple alignment of the units during assembly, and also allows vertical movement caus... | 12/11/1984 |
| 4464131 | Water ballast compartment for buoyant marine devices An improvement in buoyant marine devices, such as pyrotechnic markers, the displacement of which normally decreases during operation as a result of weight loss. The device is provided with a ballast means and means to enable the ballast compartment to fil... | 08/07/1984 |
| 4443203 | Floating marker A marker bouy to positively mark positions on a water surface with respect to the bottom. The marker includes a generally hollow body with line wound around the approximate center thereof with a weight on the end of the line which will cause the marker to... | 04/17/1984 |
| 4300254 | Release mechanism for underwater device, such as seismograph A release mechanism for use with an underwater exploration device such as one used to release ballast from an ocean bottom seismograph which includes primary and secondary release actuating devices. Ballast weights are secured to the seismograph by cables... | 11/17/1981 |
| 4138752 | Marine buoy A small, wave-following, relatively stable marine buoy designed for floating at the surface of a body of water and for carrying data measuring equipment. The buoy comprises a buoyant hull member of substantially cylindrical configuration of relatively sma... | 02/13/1979 |
| 4114137 | Directional sonobuoy A sonobuoy having a directional hydrophone centrally enclosed in a flexib acoustically transparent, spherical bag which upon deployment is filled with water to form a hydrosphere. A first embodiment comprises a plurality of upper and lower spreaders whic... | 09/12/1978 |
