Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8069800 | Stealth armed surface ship The invention relates to an armed stealth surface vessel (1) comprising a hull (2), a deck (5, 6) and superstructures (3). The inventive vessel is equipped with sensors, transmitters, arms and, optionally, handling means. The invention is... | 12/06/2011 |
| 7255762 | Camouflage tire The present invention is directed to a camouflage tire suitable for use in various vehicle use environments wherein it is desirable to reduce or eliminate a viewer's visual perception of the tire against the given environmental background. ... | 08/14/2007 |
| 7219612 | Naval ship decoy A method for defeating or reducing the effectiveness of efforts to detect, track or target a naval vessel by means of its characteristic underwater and electrical fields. In this method, a wave form which mimics the characteristic electrical field produced by a part... | 05/22/2007 |
| 7216463 | Camouflaged structure and method of camouflaging a structure against a background having a generally uniform composition A camouflaged structure and a method of camouflaging a structure against a background having a generally uniform composition of hue, saturation and brightness. In one embodiment, the camouflaged structures comprises a cell tower (100) camouflaged to decrease ... | 05/15/2007 |
| 7215275 | Independent temperature and apparent color control technology for adaptive camouflage An apparatus for adaptive camouflage with independent control of both temperature and apparent color. The apparatus has cells or individual pixels behind a transparent outer layer. The temperature of the outer layer is controlled by a heat transfer fluid flowing in ... | 05/08/2007 |
| 6927724 | Adaptive modification of surface properties to alter the perception of its underlying structure Adaptive modification of surface properties such as color, temperature and reflective properties by adjustably varying the temperature of a surface perceived by an observer, utilizing Peltier devices at the surface for temperature adjustment. ... | 08/09/2005 |
| 6736687 | Method for discharging waste gas from submarines without a signature The invention relates to a method and a device for discharging signature free exhaust gas from underwater vehicles, the exhaust gas being a by-product of the production of electric energy in energy converters and being directed by means of pressure into a pipe lengt... | 05/18/2004 |
| 6231217 | Watercraft illumination system and method A lighting system for a watercraft which provides a visual indication of the watercraft at a distance during darkness or other inclement conditions. The lighting system comprises a light source or a plurality of light sources which are directed to directl... | 05/15/2001 |
| 6123044 | Wake bubble coalescing system A system is provided to coalesce bubbles in the wake of a structure that rces the surface of the water. Acoustic sources mounted to the structure produce a plurality of plane waves above and below the surface of the water. The plane waves intersect to cr... | 09/26/2000 |
| 5222455 | Ship wake vorticity suppressor In accordance with the present invention, a device to suction off the portion of the boundary layer closest to the hull and expel it alongside the ship is provided. The invention comprises a casing mounted in substantially parallel spaced alignment to the... | 06/29/1993 |
| 5143007 | Method of operating submerged submarines and submarine A method for operating submerged submarines and a submarine are disclosed which are used to camouflage submerged submarines which, while submerged and travelling, draw a trail of heated cooling water behind themselves. In order to reduce the risk of detec... | 09/01/1992 |
| 4665870 | I.C. diesel engine with low permanent magnetic signature The invention relates to a Diesel engine in which there is obtained a very low permanent magnetic signature by embodying some of its component parts with high volume/mass ratio in a magnetic material, and by reducing or annulling the permanent magnetism o... | 05/19/1987 |
