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...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 |
| 8136465 | Apparatus and method for reducing motion of a floating vessel A vessel (2) comprises a first stabilizer assembly (14) and a second stabilizer assembly, each stabilizer assembly comprising at least one submergible at least partially hollow body; and suspending means (16) for suspending the or each body from... | 03/20/2012 |
| 8100074 | WET buoyancy engine Technologies such as stealth buoys and underwater gliders need to modify their own buoyancy in order to operate. Strategies such as pumping fluid are typically used to change the device's net volume. This in turn requires a mechanically sophisticated apparatus, incr... | 01/24/2012 |
| 7921790 | Ship buoyancy control system A tank (10) of a ship (1) is provided with an inflow port (6) and an outflow port (7) opening through a bottom of the ship (13). The inflow and outflow ports are spaced apart from each other in a headway direction of the hull. The ... | 04/12/2011 |
| 7856937 | Personal watercraft ballast A personal watercraft has a hull and a deck. The deck includes a pedestal, two gunnels, two footrests, and a rear platform. A straddle-type seat is disposed on the pedestal. A steering assembly is disposed at least in part forwardly of the seat. An engine is support... | 12/28/2010 |
| 7661378 | Wastewater ballast system and method The invention discloses a wastewater ballast method that includes the steps of collecting wastewater, treating the collected wastewater, storing the treated wastewater, and discharging the treated wastewater during ballast operations. ... | 02/16/2010 |
| 7540252 | Autostabilizer device for boat hull An apparatus or integrated hull design to stabilize boats with V-shaped hulls. This invention includes a cavity affixed to the inside of the hull confirming to the shape of the inside of the hull. The hull has a step toward the rear of the hull to transition from th... | 06/02/2009 |
| 7540251 | Apparatus and methods for treating ballast water by using electrolysis of natural seawater An electrolysis-type apparatus for treating ballast water using NaOCl and a method thereof is provided. The apparatus includes: a ballast tank; an electrolyzer; a first circulation pump; a second circulation pump; and a controller. The ballast tank is installed in a... | 06/02/2009 |
| 7455022 | Wastewater ballast system and method The invention discloses a wastewater ballast method that includes the steps of collecting wastewater, treating the collected wastewater, storing the treated wastewater, and discharging the treated wastewater during ballast operations. ... | 11/25/2008 |
| 7416660 | Bypass flow and ozone proportion method and system A method and system of ozone treatment diverts a portion of water from a flow of water in a conduit; injects an ozone-containing gas into the portion to provide an ozonated portion; recombines the ozonated portion with the flow of water in the conduit; and regulates... | 08/26/2008 |
| 7407592 | Ozone retention method and system A method and system of ozone treatment diverts a portion of water from a flow of water in a conduit, injects ozone into the portion to provide an ozonated portion, and recombines the ozonated portion with the flow of water in the conduit. Another method and system i... | 08/05/2008 |
| 7402253 | Controlled bypass flow and ozone proportion method and system A method and system of ozone treatment diverts a portion of water from a flow of water in a conduit; injects an ozone-containing gas into the portion to provide an ozonated portion; recombines the ozonated portion with the flow of water in the conduit; and controls ... | 07/22/2008 |
| 7381338 | Ballast water treatment system and method without off-gas A method and system treat ballast-water with ozone without release of detrimental off-gas into the atmosphere. ... | 06/03/2008 |
| 7374602 | System and method of water treatment The present invention generally offers a system and a method that allows a vessel to treat water while providing corrosion inhibition. An oxygen stripping gas source produces oxygen stripping gas that may be pumped directly to, preferably but optionally, a venturi i... | 05/20/2008 |
| 7353763 | Ship A ship includes semi-bottoms that transition into the ship's sides, and a keel that extends downwardly from the semi-bottoms. The keel and semi-bottoms form an equivalent of 120 degree therebetween. Each of the sides is located in the same planar surface with the ap... | 04/08/2008 |
| 7328578 | Integrated OTEC platform An integrated platform to house an ocean thermal energy conversion (OTEC) system that utilizes: (i) a cold water circuit consisting of a way of receiving and distributing the cold water from the cold water pipe (CWP) to vertical conduits housing the condensers into ... | 02/12/2008 |
| 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 |
| 7316193 | Vessel for water travel A vessel for water travel that has the stability of a heavy weighted vessel when at rest in the water and the performance of a lightweight vessel when in a planed condition. The vessel comprises at least one hull structure for partially submerged flotation in a body... | 01/08/2008 |
| 7299761 | Water sport towing apparatus Wakeboarding performance is improved using a vessel which is fitted with a skeletal towing frame having spaced supports attached on opposite sides of the vessel while coupling upper extremities of the supports with a horizontal bridging portion, to which a tow rope ... | 11/27/2007 |
| 7290374 | Vibration control apparatus using water tank located at top floor of a tall building A vibration control apparatus using a water tank, which is installed at the uppermost floor of a tall building, the water tank being formed at the inner wall surface thereof with horizontal protrusions. In order to improve a vibration attenuation rate in a horizonta... | 11/06/2007 |
| 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 |
| 7273562 | Ozone injection method and system A target biokill of species for water to be discharged from a ballast tank of a sea faring vessel is determined. A diverted portion of sea water is regulated prior to charging the water into the ballast tank. Regulation of the diverted portion of water and a rate of... | 09/25/2007 |
| 7252047 | Wave-forming apparatus for boats An adjustable wake-forming apparatus attachable to a boat stern providing means for generating waves of a particular form for water sport activities. The attachment is comprised of a pair of blades fastened to the transom by a plurality of struts. The present invent... | 08/07/2007 |
| 7240631 | Loop ballast exchange system for marine vessels A method and apparatus for replacing existing ballast water in a ballast tank of a ship while the ship is underway in the sea includes a seawater inlet port associated with the ballast tank in the sidewall of the ship's hull and admits water into the ballast tank wh... | 07/10/2007 |
| 7213530 | Hatch or door system for securing and sealing openings in marine vessels A hatch or door system for closing an opening in a surrounding structure has a panel assembly having a metal frame enclosing a composite material panel. An operating mechanism is operative in a first stage to hold the panel assembly in the closed position. In a seco... | 05/08/2007 |
| 7207284 | Tank installation for the storage of liquids A tank installation for the storage of liquids, especially oil in a floating storage or production installation, including a number of tanks which are connected to pipe systems for supply of liquid to or removal of liquid from the tanks. The installation includes a ... | 04/24/2007 |
| 7178474 | Ballast system for boats A hollow ballast tank contains within it a plurality of flexible bags for storing fluids such as fuel, freshwater and grey water. These fluids serve as functional ballast weight to complement the ballast weight provided by seawater which fills the remaining volume o... | 02/20/2007 |
| 7156040 | Extended semi-submersible vessel (ESEMI) A semi-submersible vessel has a pair of vertically spaced pontoons with varied buoyancy. The lower pontoon is retained in a close vertical proximity to the upper pontoon when the vessel is in transit. The lower pontoon is ballasted at the deployment site, dropping t... | 01/02/2007 |
| 7152544 | Ballast system for tension leg platform An apparatus and method for ballasting and de-ballasting a vessel having a hull with several watertight ballast compartments. In a first embodiment, a pressure tank is isolatably and fluidly coupled to a common sea chest, to the atmosphere, to ballast compartments v... | 12/26/2006 |
| 7146924 | Kayak ballast system A kayak ballast system is comprised of a cradle member configured to be fitted within the interior of the kayak. The cradle member defines a receiving unit for securely receiving weight, thereby providing a ready means for adding weight to a kayak and increasing the... | 12/12/2006 |
| 7128009 | Wastewater ballast system and method The invention discloses a wastewater ballast method that includes the steps of collecting wastewater, treating the collected wastewater, storing the treated wastewater, and discharging the treated wastewater during ballast operations. ... | 10/31/2006 |
| 7117810 | Platform structure The invention relates to a floating platform (1) for offshore drilling or production of hydrocarbons, comprising a topsides (2) and a substructure (3) having a lower pontoon (4) and columns (5) connecting the pontoon (4) to ... | 10/10/2006 |
| 7093551 | Freshwater supply system A freshwater supply system that stores fresh water transported by transport ships in storage devices and takes out the fresh water from the freshwater storage devices at need to use the same. The system comprises management device that puts management information to... | 08/22/2006 |
| 7090431 | Marine vessel lifting system with variable level detection A marine vessel, typically a power boat, lifting system includes a remotely operated transmitter module, a receiver module, a level sensing module, a motor control module, and motors are integrated to automatically position a cradle to the desired position relative ... | 08/15/2006 |
| 7059261 | Wastewater ballast system and method The invention discloses a wastewater ballast method that includes the steps of collecting wastewater, treating the collected wastewater, storing the treated wastewater, and discharging the treated wastewater during ballast operations. ... | 06/13/2006 |
| 7029340 | Regenerative surfing Regenerative surfing is utilizing a controllable regenerative braking system to regulate speed while surfing. A vertical sculling hydrofoil boat, utilizes the regenerative braking system and includes a vertical sculling drive system for both propulsion and regenerat... | 04/18/2006 |
| 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 |
| 7013829 | Mobile hunting vessel A semi-submersible hunting vessel is provided. A hunter can move the vessel to a designated hunting area and partially submerge the vessel to reduce the visibility of the vessel and hunter to flying game. The vessel includes a hull, at least one ballast chamber, a d... | 03/21/2006 |
| 6973847 | Gyroscopic roll stabilizer for boats A gyroscopic roll stabilizer for a boat. The stabilizer includes a flywheel, a flywheel drive motor configured to spin the flywheel about a spin axis, an enclosure surrounding a portion or all of the flywheel and maintaining a below-ambient pressure or containing a ... | 12/13/2005 |
| 6953002 | Boat wake system A water craft having a bow and a stern including an engine of sufficient thrust to create an enlarged wake at the stern of the boat as the boat moves along the surface of a body of water. The water tight compartment is positioned to carry water below the wate... | 10/11/2005 |
| 6945737 | Single column extendable draft offshore platform An extendable draft offshore oil and gas drilling and production platform (“EDP”) includes a buoyant deck having a central opening, an adjustably buoyant pontoon, and a single, adjustably buoyant column. The column is mounted upright on the pontoon, and is verti... | 09/20/2005 |
