Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6645534 | Process for the solvent extraction of active compounds from chicory The present invention relates to a process for the solvent extraction of active compounds from chicory. Characteristically, according to the invention, chicory is macerated in said solvent at a low temperature, preferably of between 0° C. and 6° C., for... | 11/11/2003 |
| 6517342 | Device for igniting fuel A device for igniting fuel, comprising at least one burner, the device comprising ignition means comprising an ignition element, the ignition means further comprising a movable element which is connected to a fluid line, such that a fluid contained in the... | 02/11/2003 |
| 6419945 | Buffered resorbable internal fixation devices and methods for making material therefore An internal fixation device and a bioerodible implantable material useful therefor comprise a bioerodible polymer that produces acidic products or low molecular weight resorbable fragments upon hydrolytic degradation, and a buffering or neutralizing agent... | 07/16/2002 |
| 6410716 | Isolation of SU1, a starch debranching enzyme, the product of the maize gene sugaryl SU1, a starch debranching enzyme active in maize endosperm (Zea mays), and the cDNA and genomic sequences encoding SU1 are disclosed. The amino acid sequence is significantly similar to that of bacterial isoamylases, enzymes that hydrolyze -(1.fwda... | 06/25/2002 |
| 6371054 | System and method for inhibiting creatures from entering defined regions An electrical shock system is provided for deterring birds from entering defined regions. The electrical shock system includes a wiring configuration that maximizes that amount of the defined regions that will be covered by the system while minimizing the... | 04/16/2002 |
| 6356392 | Compact image display system for eyeglasses or other head-borne frames A head-mountable image display system provides an image to a user's eye separate from ambient light. The system includes an optical relay having an optical pathway to receive light from a display element. The optical relay also permits passage of ambient ... | 03/12/2002 |
| 6344959 | Method for sensing the output voltage of a charge pump circuit without applying a load to the output stage The presently disclosed method and apparatus provides the sensing of an output voltage of a charge pump without applying a load to the output stage. In the charge pump the voltage change which occurs across a capacitor of a stage of the charge pump when t... | 02/05/2002 |
| 6336708 | Ink jet nozzle A nozzle for an ink-jet printer is provided. The nozzle is manufactured from a heat-softenable tube and has a gradually converging inner diameter leading to an orifice less than 30 microns in diameter and an outer nozzle diameter proximate the orifice at ... | 01/08/2002 |
| 6333019 | Method for operating a chemical and/or physical process by means of a hierarchical fluid injection system The invention relates to injection of fluids (gas, liquid, suspension or other mixtures) in a controlled typically uniform way within a vessel containing another fluid or fluidized medium. Said injection device consists of pipes or channels that are conne... | 12/25/2001 |
| 6321688 | Teat cleaning device and method A device for cleaning a teat (3) has a movable rotatable cleaning means (29) which is movable from a lower teat receiving position (LO) to an upper teat cleaning position (UP).... | 11/27/2001 |
| 6324625 | Rotating rationed buffer refresh In accordance with the present invention a method and apparatus are disclosed in which each data stream of a plurality of data streams is assigned to a queue and each queue is allocated a predetermined maximum numbers of buffers. Once the queue has exhaus... | 11/27/2001 |
| 6319348 | Method for producing ring-shaped fibrous structures, in particular for making parts in composite material To make an annular fiber structure, a strip-shaped fabric (50), is used which is made up of two superposed unidirectional sheets, with the directions of the sheets forming opposite angles relative to the longitudinal direction of the strip, the two sheets... | 11/20/2001 |
| 6318511 | Disk brake with high thermal resistance The friction device comprises a non-rotary casing (50) in the form of a cage in which there are received a thrust structure (30), a set of friction disks (21, 22, 23, 24, 25) on a common axis, and a backing structure (40), the casing having a peripheral w... | 11/20/2001 |
| 6318571 | Loader device for supporting parts for heat treatment in a furnace The loader device is made of a thermostructural composite material and comprises a base (20), a loading pole (30) secured to the base and extending at least over the full height of the loader device, and a plurality of loading trays (40) each provided wit... | 11/20/2001 |
| 6317439 | Architecture for a SONET line unit including optical transceiver, cross-connect and synchronization subsystem A SONET interface line unit which includes an interface to a SONET ring, an STM switch fabric, and STM synchronization function within a single module. The line unit includes an optical interface for communicating SONET traffic with a SONET ring, an ATM i... | 11/13/2001 |
| 6314815 | Pressure sensor with compensation for null shift non-linearity at very low temperatures In order to compensate non-linearity in the zero drift of the bridge at very low temperatures, a strain gauge in at least one of the arms of the bridge is in series with a resistor, e.g., a connection lead, of resistance that is much less than that of the... | 11/13/2001 |
| 6315412 | Method and apparatus for measuring visual sensitivity and optical properties of components of the eye A Non-Maxwellian, free viewing system capable of psychophysical measurement of visual sensitivity for the determination of ocular components is disclosed. The apparatus features electronically controlled light emitting elements whose outputs are variable ... | 11/13/2001 |
| 6314314 | Method for locating an internal bleeding site in a human body A technique for localizing an internal bleeding site in the human body is provided. The technique entails the injection of radioactively labelled protein or factor used in the clotting process in solution into a human body When the protein or factor has b... | 11/06/2001 |
| 6311504 | Absorption heat pump and method for controlling the same An absorption heat pump and controlling methods thereof for utilizing exhaust heat to obtain high- and low-temperature fluids. The absorption heat pump comprises: a regenerator 1 to which exhaust heat is supplied to evaporate and isolate a refrigerant fro... | 11/06/2001 |
| 6312318 | Method and machine for centerless angular plunge grinding A method and a grinding machine for centerless angular plunge grinding a workpiece are disclosed. The workpiece is rotatable about a first axis and has essentially cylindrical sections of different diameter and at least one shoulder located between the se... | 11/06/2001 |
| 6310874 | Learn pending frame throttle Flow of data units to an address resolution processor is controlled to inhibit multiple data units from a single multicast flow from being enqueued with the address resolution processor. In a switch having a plurality of Input/Output Application Specific ... | 10/30/2001 |
| 6308582 | Measuring device for measuring the flow rate and temperature of a flowable medium The present invention relates to a measuring device for measuring flux rate and temperature of a flowable medium, comprising an external pipe sleeve and an internal pipe provided within said external pipe sleeve, with the diameter of said internal pipe ha... | 10/30/2001 |
| 6305564 | Biaxially stretched bottle having a carrying handle A biaxially oriented bottle having a carrying handle is provided. A carrying handle, which is provided at a side surface of a neck portion, and which is injection molded together with the neck portion of a preform, is used without further modification as ... | 10/23/2001 |
| 6306347 | Optical sensor and method of operation A multiple single use optical sensor includes a series of continuous sensor stripes deposited on a substrate web. At least one sample chamber is adapted to extend transversely across a discrete portion of the series of sensor stripes to facilitate analysi... | 10/23/2001 |
| 6304678 | Image artifact reduction using maximum likelihood parameter estimation A technique for post-processing decoded compressed images to reduce decoding-related artifacts employs a maximum likelihood estimation of an original image f. The decoded image is modeled as a montage of "flat surfaces" of different intensities, where the... | 10/16/2001 |
| 6299747 | Capillary electrophoretic methods to detect new biologically active compounds in complex biological material This invention relates to a competitive-binding, capillary electrophoretic method of detecting new therapeutic regulatory (modulating) and diagnostic compounds in natural samples and other complex biological materials. The present method generally compris... | 10/09/2001 |
| 6298550 | Process for manufacturing electro-surgical forceps which minimizes or prevents sticking of tissue An electro-surgical forceps are provided which minimize sticking to tissue of a patient. The forceps include a pair of electrically conducting blade members extending from an insulated cap portion. The blade members include an inner layer of copper or cop... | 10/09/2001 |
| 6298654 | Ambient pressure gas turbine system An ambient pressure gas turbine system is provided for mid-range power plants (for example, 1-4 MW) while achieving low NOx emission levels. The system includes a combustor that burns a hydrocarbon fuel at ambient pressure. A first heat exchang... | 10/09/2001 |
| 6297750 | Linear position detecting system A linear position encoder is provided which is not affected by ambient light, smoke, moisture, particulate matter, and also not affected by electrical interference such as may be caused by stray fields or permanent magnets or magnetic particles. The encod... | 10/02/2001 |
| 6295654 | Protective sports garment A continuous protective garment provides a matrix of cells each containing a cube-like protective element. Continuous layers of fabric bonded along intersecting lines provides an individual cell for each of plural protective elements sandwiched between th... | 10/02/2001 |
| 6296338 | Telescopic bail having controllable positioning A telescopic rail includes a first section and at least a second section with intermediate bearings. The second section may be adjusted with respect to the first section in the longitudinal direction between a retracted and an extended position. On the fi... | 10/02/2001 |
| 6295398 | Asymmetrical miniature bends in optical fibers and method of forming same A fiber optic device for changing direction along a fiber optic path is provided using an asymmetrical miniature bend. The fiber optic device with the miniature bend is particularly suitable for components in which one of the fiber portions lies close to ... | 09/25/2001 |
| 6294787 | Sensor system and manufacturing process as well as self-testing process Presented is a sensor system for the detection of thermal radiation, with a substrate (15) and several sensor elements (10) on the substrate (15), in which case at least one self-test device (53) is provided in order to generate heat which can be used for... | 09/25/2001 |
| 6293835 | System for providing wind propulsion of a marine vessel using a helical turbine assembly A helical turbine assembly capable of providing high speed unidirectional rotation under a multidirectional ultra low-head fluid flow is disclosed. The assembly comprises an array of helical turbine units or modules arranged, vertically or horizontally, t... | 09/25/2001 |
| 6293810 | Socket for BGA packages A socket for a BGA package is provided which is of relatively simple construction and which provides reliable and efficient interconnection of a BGA package and a printed circuit board. The socket comprises a contact assembly having an array of resilient ... | 09/25/2001 |
| 6293090 | More efficient RF plasma electric thruster A radio frequency (RF) plasma thruster for use in electric propulsion for spacecraft. The thruster operates by heating plasma in a magnetic field, which then flows out along magnetic field lines, producing axial thrust. The present invention greatly incre... | 09/25/2001 |
| 6295281 | Symmetric flow control for ethernet full duplex buffered repeater Symmetric flow control in a buffered repeater having responsiveness to flow control frames. An Ethernet full duplex buffered repeater according to the present invention includes an internal arbitration mechanism allowing receive FIFOs of respective receiv... | 09/25/2001 |
| 6291058 | Composite material with ceramic matrix and SiC fiber reinforcement, method for making same The material comprises fiber reinforcement made of fibers that are essentially constituted by silicon carbide, and an interphase layer between the fibers of the reinforcement and the matrix. The reinforcing fibers are long fibers containing less than 5% a... | 09/18/2001 |
| 6290838 | Apparatus and method for characterizing liquids An apparatus and a method of characterising liquids employ liquid sensors of different types of technology, in order to generate characterisation data from the whole of the output signals originating from these sensors when they are soaked in a sample of ... | 09/18/2001 |
| 6290730 | Artificial foot and ankle An artificial foot and ankle is provided having a keel component, an ankle component, and a central bumper component interposed between the keel component and the ankle component. The ankle component has a lower surface with a radius of curvature greater ... | 09/18/2001 |
