Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7534154 | Water evaporation minimization A floating water surface cover module, comprising a rim (1), and a shallow dome-shaped cover (2 )extending from the top of the rim (1 )and formed with a vent (3), the rim and cover being formed with shaped air-filled air-tight cavities ( | 05/19/2009 |
| 7367859 | Beach buoy A multiple use device constructed of either closed or open cell insulated foam ball with a wood or plastic steak molded into such ball for the purpose of inserting in sand or soil which will be utilized in the beach and boating recreational environments allowing the... | 05/06/2008 |
| 7101475 | Autonomously navigating solar swimming pool skimmer An autonomously navigating solar swimming pool skimmer employing a forward impeller, navigation being improved by the use of forward mounted powered horizontal bumper wheels as deflectors, combined with occasional reversals of paddlewheels and bumper wheels to clear... | 09/05/2006 |
| 7052348 | Autonomous bird predation reduction device A self-guided apparatus for repelling birds through various means of deterrence. The device comprises a chassis, a floatation assembly, a propulsion system, and a guidance and control system. The device may operate in either of at least two modes: passive and active... | 05/30/2006 |
| 6991505 | Buoyant apparatus for attachment to beverage insulators holding beverage containers A buoyant apparatus for connection to a beverage insulator, comprising an elongate arm having a rod like configuration and including an upper portion and a lower portion, said upper and lower portions being joined at a predetermined angle; a top plate connected to t... | 01/31/2006 |
| 6907326 | Autonomous surf zone line charge deployment system A system and method autonomously clears obstacles and mines from an approach lane. A ship is distantly located from an approach lane spanning a surf zone and beach portion, and the ship has operator control station software in an onboard computer. At least one syste... | 06/14/2005 |
| 6749370 | Buoyancy compensating jacket A buoyancy compensating jacket is provided on a waist portion with a pocket having a first flap, a pouch having a flat cord adapted to be inserted into and taken out from the pocket with a weight packed into the pouch. As a guide means for the flat cord, at least on... | 06/15/2004 |
| 6726516 | Method and apparatus for enabling hand tools to float A method and apparatus for enabling hand tools to float is disclosed. In one aspect, the invention is a grip comprising a tubular sleeve which is placed over a handle or pre-existing tool grip and enables the tool to float grip side up, thereby allowing the tool to ... | 04/27/2004 |
| 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 |
| 6241570 | Hydrodynamic throwing disc A gliding or flying hydrodynamic disc designed for recreational use under water. The disc is circular and about 12 inches or 300 mm in diameter, and about 1/2 inch or 1.198 centimeters high. Circular grooves on the surface of the disc provide a grip surfa... | 06/05/2001 |
| 6220909 | Avalanche life saving system An avalanche life saving system has at least one inflatable buoyancy body of balloon design secured close to a user's body, a filling unit, a compressed gas unit with a compressed gas container and a release mechanism capable of actuation without a tool a... | 04/24/2001 |
| 6171160 | Floating devices connection and/or storage system and table A floating devices connection and/or storage system, including a wide variety of hermaphroditic and non-hermaphroditic connectors for interconnecting two or more floating devices together. The connectors may be original equipment or added as after-market ... | 01/09/2001 |
| 6139382 | Flotation unit for swimming pools A flotation unit, for example a table, for use within water such as a swimming pool has a sufficient size and weight to be self-stable without requiring any external stabilization such as weights or extensions. The flotation unit may have an upper portion... | 10/31/2000 |
| 6027393 | Recreational foam float with squirting device A water toy apparatus includes an elongated buoyant torso having first and second ends. A head is defined on the first end of the torso. First and second arms are connected to an intermediate location on the torso. The first and second arms include first ... | 02/22/2000 |
| 5971823 | Personal flotation device apparatus with hand-held tool An end portion of an elongate personal flotation device includes a hand-held tool. In one embodiment, a hand-held tool head assembly has a mounting cup with a cylindrical wall and a flat cup base. The cup is fitted over an end portion of a flexible, cylin... | 10/26/1999 |
| 5885123 | Flotation device utilizing cylindrical foam tubes A flotation device that converts an existing flexible round foam flotation piece into a flotation aid for recreational and/or exercise purposes. The flotation device is water resistant, lightweight, flexible and easy to carry and store. The round flotatio... | 03/23/1999 |
| 5803778 | Methods and apparatus for handling waste The present invention is directed to an apparatus for containers of human waste. The apparatus has a floating receiving station with receiving apertures projecting from the receiving station to receive containers of human waste which have been stored on a... | 09/08/1998 |
| 5800229 | Handle unit for buoyant aquatic devices A handle unit for rafts, towables, and other buoyant water sports equipment which is recessed within the interior of the device and therefore provides a relatively smooth surface, eliminating the dangers of injury from protruding handles. The handgrips ar... | 09/01/1998 |
| 5707724 | Fractal tube reinforcement Fractal hollow tube reinforced structural members are presented having a maximum strength-to-weight ratio and a wall density less than 1/2 that of water, which are versatile, practical and economical for use in any kind of construction. The strength is ma... | 01/13/1998 |
| 5465677 | Float post apparatus A float post (12, 12', 12") is shown having one end (14) receivable in a mounting stand (20) or directly into the bottom surface of a body of water and a second end (16) which mounts a storage locker 50 having a plurality of beverage container holders mou... | 11/14/1995 |
| 5308272 | Ascent rate indicator A non-mechanical ascent rate indicator for use in saltwater scuba diving. A high density sphere attached by means of a ball chain tether to the gauge, or hose, of a scuba diver has a free rate of ascent of less than 60 feet/minute, the difference in this ... | 05/03/1994 |
| 5291194 | Apparatus for interconnecting an underwater vehicle and a free-floating pod Apparatus is provided for interconnecting an unmanned underwater vehicle V) and a free-floating pod, the apparatus comprising a communications cable extending between the pod and a less buoyant buoy, the buoy being in communication with a distal station,... | 03/01/1994 |
| 5251113 | Lantern float apparatus A lantern float is arranged to attract fish, insects, and the like to enhance success of a fishing procedure. The organization includes a perimeter buoyant ring mounting a light transmissive support therewithin, with the support having a support ring to i... | 10/05/1993 |
| 5219309 | Inflatable amusement ring A bouncer ring amusement toy is disclosed in the form of an air-inflatable annular ring. The ring is designed to extend around the torso of a person to form a bouncing cushion, allowing the person to engage in bouncing amusement activities. The dimensions... | 06/15/1993 |
| 5197912 | Buoy for attachment to the net line of a fishing net In order to change defective buoys on the net line of a fishing net and to change the spacing between the buoys threaded onto the net line, it has hitherto been necessary to release the net line from the net and to re-secure it to the net after re-arrangi... | 03/30/1993 |
| 5162007 | Air-bubble cushion, mattress and water float items Cushions, mattresses and water float articles for body comfort, water safety and recreational use. The articles of the present invention include a light weight core structure fabricated of at least two stacked layers of two-ply laminated sheet plastic mat... | 11/10/1992 |
| 5083326 | Apparatus for protecting against expansion of freezing water Disclosed is an apparatus for protecting a swimming pool against damage due to forces created as water in the pool freezes and expands. The apparatus includes a hull that floats on the surface of the water and compresses as the water freezes and expands. ... | 01/28/1992 |
| 5074816 | Multipurpose boat bucket A multiple purpose bucket (10 or 110) can be used as a floatation device, an underwater viewing device, or a bailer. The bucket (10 or 110) includes a body (12 or 112), an open top (14 or 114), a clear plastic bottom (16 or 116), and a base (20 or 120). T... | 12/24/1991 |
| 4986267 | Underwater breathing apparatus An improved underwater breathing apparatus includes a net bag suspended from an interior portion of a donut-shaped float with a compressed air diving tank being supported within the bag. One or more breathing hoses may be attached to the tank, and each ho... | 01/22/1991 |
| 4960399 | Diver's utility console A hand-portable console device for use by underwater divers. A housing having at least a forward, water-vented storage compartment adapted to have an external illumination mounted thereon. The housing can also have an aft compartment. Attachment to the ho... | 10/02/1990 |
| 4834015 | Anchor device An anchor device for use with inflatable rafts and cushions includes a compartmentalized cylindrical tray. The tray is designed to store beverage containers and the personal effects of an individual floating on a raft or cushion. A sunshade may be adjusta... | 05/30/1989 |
| 4815761 | Amphibious scuba assist devices A device for use in making beach entry scuba dives by assisting the diver to transport scuba tanks and other diving gear across a beach or like land area and then serve as an off-shore floating work platform and dive flag holder has a quadrilateral frame,... | 03/28/1989 |
| 4781638 | Kickboard for swimmers A variable drag and buoyancy kickboard for a swimmer comprising a first portion, a second portion, and a plurality of pairs of hand grasping locations. The second portion extends from a lateral edge of the first portion. The first portion defines a first ... | 11/01/1988 |
| 4577262 | Life preserver storage container A container for storage on an offshore work site. A lightweight metal container is provided with a latching mechanism which is operable by hand or foot pressure for allowing opening of the container. The container has attached thereto a spring loaded asse... | 03/18/1986 |
| 4551108 | Exercise device for use in tank containing water A buoyant vest for use in a tank of water. The vest is made of a buoyant material. The vest has first vest loops attached adjacent the shoulder portions. The vest also has second vest loops attached adjacent the waist portion thereof. Adjustable security ... | 11/05/1985 |
| 4518364 | Swimming instruction device A swimming instruction device in the form of a kickboard having a top surface and a bottom surface. The kickboard is buoyant to float on water with at least a portion of the bottom surface in contact with the water and the top surface facing upwardly and ... | 05/21/1985 |
| 4336931 | Pool toy A pool toy comprising a buoyant body having a central part on which a rider is adapted to be seated, and two end parts, the end parts being raised relatively to the central part and each being of greater volume than the central part.... | 06/29/1982 |
| 4227273 | Aquatic swimming aid An aquatic swimming aid comprising spaced-apart floats and an elongate rigid structure fixed at its ends to said floats so as to hold the floats rigidly spaced apart, the elongate structure being sufficiently long to permit several swimmers to be supporte... | 10/14/1980 |
| 4098955 | Prevention of shipworm infestation of wooden marine structures An improved method is provided for solving the age-old problem of wood-boring marine organisms. Wooden structures which are exposed to sea water can be protected from shipworm infestation by surrounding the structure with a nonwoven fabric having an effec... | 07/04/1978 |
