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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7072794 | Statistical methods for multivariate ordinal data which are used for data base driven decision support A method of analysis including an intrinsically valid class of statistical methods for dealing with multivariate ordinal data. A decision support system that can (1) provide automated decision support in a transparent fashion (2) optionally be controlled by a decisi... | 07/04/2006 |
| 7072096 | Uniform illumination system A compact and efficient optical illumination system featuring planar multi-layered LED light source arrays concentrating their polarized or un-polarized output within a limited angular range. The optical system manipulates light emitted by a planar light emitters su... | 07/04/2006 |
| 7068446 | Compact non-imaging light collector A nonimaging optical system for processing a first and second light distribution. The nonimaging optical system includes at least two refractive surfaces, at least one reflective surface nearer to the first light distribution along at least one ray path than the nea... | 06/27/2006 |
| 6999899 | System for surveillance of spectral signals A method and system for monitoring at least one of a system, a process and a data source. A method and system have been developed for carrying out surveillance, testing and modification of an ongoing process or other source of data, such as a spectroscopic examinati... | 02/14/2006 |
| 6796325 | Apparatus for stormwater retention and release, and method of use thereof Apparatus and a method are aimed at reducing flood risk from stormwater draining from a property (1). The apparatus is adapted in use to retain stormwater at the property (1) releasing it from the property and comprises a container (6) which in ... | 09/28/2004 |
| 6676263 | Performance improvements of symmetry-breaking reflector structures in nonimaging devices A structure and method for providing a broken symmetry reflector structure for a solar concentrator device. The component of the optical direction vector along the symmetry axis is conserved for all rays propagated through a translationally symmetric opti... | 01/13/2004 |
| 6671350 | Multiple identification access codes for a single data file Systems, methods and devices for the communication of emergency information are disclosed. A subscriber to an emergency information data base places an emergency call. The communication device used by the subscriber sends an identifying message in a varie... | 12/30/2003 |
| 6637428 | Collapsible light concentration device A collapsible light collection and/or transmission device having an axis of symmetry. The device includes opposing first and second body portions each having a curved inner reflective surface and an outer surface. The first body portion is pivotally coupl... | 10/28/2003 |
| 6558612 | Process for producing spherical biocompatible ceramic particles A permanent, biocompatible material for soft tissue augmentation. The biocompatible material comprises a matrix of smooth, round, finely divided, substantially spherical particles of a biocompatible ceramic material, close to or in contact with each other... | 05/06/2003 |
| 6553334 | System for surveillance of spectral signals A method and system for monitoring at least one of a system, a process and a data source. A method and system have been developed for carrying out surveillance, testing and modification of an ongoing process or other source of data, such as a spectroscopi... | 04/22/2003 |
| 6541694 | Nonimaging light concentrator with uniform irradiance A nonimaging light concentrator system including a primary collector of light, an optical mixer disposed near the focal zone for collecting light from the primary collector, the optical mixer having a transparent entrance aperture, an internally reflectiv... | 04/01/2003 |
| 6532602 | Insert-molded helmet A comfortable, self-adjusting, protective helmet made from a process of insert molding. The helmet comprises an armature or insert made of a porous material that is embedded in the layers of the helmet to connect the structural parts of the helmet to one ... | 03/18/2003 |
| 6533135 | Portable lifting frame A portable lifting frame comprises an elongate track provided with a bogie movable there along. The bogie is adapted to accept a lifting device. An elongate support is provided for the track wherein the track and support are made up of two or more cojoini... | 03/18/2003 |
| 6536018 | Reverse engineering of integrated circuits Software and a method therein to analyze circuits. The software comprises several tools, each of which perform particular functions in the Reverse Engineering process. The analyst, through a standard interface, directs each tool to the portion of the task... | 03/18/2003 |
| 6520643 | Image projection system An image projection system for generating an image on a projection screen using a highly compact geometry. The optical system uses polarized light manipulated by at least one of a conicoid, or plane optical elements to effect a folded mirror system to pro... | 02/18/2003 |
| 6519535 | Eddy current technique for predicting burst pressure A signal processing technique which correlates eddy current inspection data from a tube having a critical tubing defect with a range of predicted burst pressures for the tube is provided. The method can directly correlate the raw eddy current inspection d... | 02/11/2003 |
| 6512942 | Radiation therapy and real time imaging of a patient treatment region A method and apparatus for three-dimensional imaging and treatment of a patient's body. The method and apparatus utilize a system for developing a therapy plan for treatment of an organ of the patient, a device for generating ultrasound image data from a ... | 01/28/2003 |
| 6478081 | Plate heat exchanger A plate heat exchanger comprising a stack of heat transfer plates which together with sealing means define first and second flow passages for first and second fluids respectively. The heat transfer plates are formed with through holes defining an inlet ch... | 11/12/2002 |
| 6469880 | Reducing vortex densities and transporting vortices in superconductors A system and method for removing unwanted magnetic flux from a superconductor. A device can generate a controllable electric field potential using an asymmetric electric field potential to efficiently remove the magnetic flux in different directions in th... | 10/22/2002 |
| 6467916 | Light transmission device A non-imaging optical system for operating on light using broken symmetry reflector surfaces (30). The theoretical upper limit for concentration of direct solar radiation at low latitudes with stationary concentrators is determined from the projected soli... | 10/22/2002 |
| 6416190 | Apparatus for using optical tweezers to manipulate materials A method and apparatus for control of optical trap arrays and formation of particle arrays using light that is in the visible portion of the spectrum. The method and apparatus provides a laser and a time variable diffractive optical element to allow dynam... | 07/09/2002 |
| 6375327 | Image projection system An image projection device having a spatial light modulator and a polarized source system for illuminating the spatial light modulator such that light of a first polarization state illuminates one region of the spatial light modulator and light of a secon... | 04/23/2002 |
| 6374503 | Oval cutter An apparatus for rendering ovals of adjustable sizes and ellipticity upon various materials. An oval cutter comprises a clickerplate for adjusting the ellipticity of ovals in a single movement. The clickerplate can be rotated about a base using a knob mou... | 04/23/2002 |
| 6349473 | Utility knife A utility knife for retractably retaining a replaceable blade with a body, at least two detents connected to the body and a blade adjusting knife retaining fastener mechanism. The body has first and second portions and a major longitudinal dimension. The ... | 02/26/2002 |
| 6335999 | Multilayer luminaire device An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n1 l, and top, bottom and side surfaces defining an angel of inclination $c;. A back surface spans the ... | 01/01/2002 |
| 6292952 | Insert-molded helmet A comfortable, self-adjusting, protective helmet made from a process of insert molding. The helmet comprises an armature or insert made of a porous material that is embedded in the layers of the helmet to connect the structural parts of the helmet to one ... | 09/25/2001 |
| 6272036 | Control of magnetic direction in multi-layer ferromagnetic devices by bias voltage A system for controlling the direction of magnetization of materials comprising a ferromagnetic device with first and second ferromagnetic layers. The ferromagnetic layers are disposed such that they combine to form an interlayer with exchange coupling. A... | 08/07/2001 |
| 6263699 | Separation of a two phase mixture by freezing The present invention provides a method for the separation and isolation of a water-immiscible organic phase and an aqueous phase from a two phase mixture which comprises insertion of a pin into the two phase mixture such that it extends into the aqueous ... | 07/24/2001 |
| 6256529 | Virtual reality 3D visualization for surgical procedures A method and apparatus for three-dimensional imaging and treatment of a patient's body. The method and apparatus utilize a system for developing a therapy plan for treatment of an organ of the patient, a device for generating ultrasound image data from a ... | 07/03/2001 |
| 6249453 | Voltage controlled spintronic devices for logic applications A reprogrammable logic gate comprising first and second voltage-controlled rotation transistors. Each transistor comprises three ferromagnetic layers with a spacer and insulating layer between the first and second ferromagnetic layers and an additional in... | 06/19/2001 |
| 6244264 | Non-imaging optical illumination system A passive solar collector has a reflector or a plurality of reflectors in a tube that is in a partial vacuum and is entirely or partly transparent. An absorber collects light reflected by the reflector or plurality of reflectors and delivers energy from t... | 06/12/2001 |
| 6240372 | System for surveillance of spectral signals A method and system for monitoring at least one of a system, a process and a data source. A method and system have been developed for carrying out surveillance, testing and modification of an ongoing process or other source of data, such as a spectroscopi... | 05/29/2001 |
| 6221275 | Enhanced heat transfer using nanofluids This invention is directed to a method of and apparatus for enhancing heat transfer in fluids such as deionized water. ethylene glycol, or oil by dispersing nanocrystalline particles of substances such as copper, copper oxide, aluminum oxide, or the like ... | 04/24/2001 |
| 6213606 | Image projection system An image projection system for generating an image on a projection screen using a highly compact geometry. The optical system uses polarized light manipulated by at least one of a conicoid, or plane optical elements to effect a folded mirror system to pro... | 04/10/2001 |
| 6210372 | Storage and delivery device for a catheter or needle A storage and delivery device for a highly viscous material comprising a delivery cap for connecting a catheter or needle to a cartridge, an interconnect insert and a compression sleeve disposed within the delivery cap for creating a leak proof seal betwe... | 04/03/2001 |
| 6205998 | Solar concentrator gap and receiver design A gap between absorber and reflector of a solar concentrator. A gap is required in a solar concentrator for thermal isolation reasons and the position of the receiver relative to reflector and a notch are optimized for best solar collection efficiency.... | 03/27/2001 |
| 6208883 | Ultrasound localization and image fusion for the treatment of prostate cancer A method and apparatus for localizing and treating a patient's prostate by radiation therapy. The system includes an ultrasound probe for generating an ultrasound image of the prostate with the probe having at least two fiducial end points as landmarks. I... | 03/27/2001 |
| 6202038 | Ultrasensitive surveillance of sensors and processes A method and apparatus for monitoring a source of data for determining an operating state of a working system. The method includes determining a sensor (or source of data) arrangement associated with monitoring the source of data for a system, activating ... | 03/13/2001 |
| 6191075 | Method of manufacturing a high temperature superconductor with improved transport properties A method of preparing a high temperature superconductor. A method of preparing a superconductor includes providing a powdered high temperature superconductor and a nanophase paramagnetic material. These components are combined to form a solid compacted ma... | 02/20/2001 |
| 6181975 | Industrial process surveillance system A system and method for monitoring an industrial process and/or industrial data source. The system includes generating time varying data from industrial data sources, processing the data to obtain time correlation of the data, determining the range of dat... | 01/30/2001 |
