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| Number | Title | Issue Date |
| 7842287 | Acid-gas absorbing tablet and method of use An acid-gas absorbing tablet including in relatively sufficient proportions an adsorbent which may be activated carbon or silica gel or a mixture thereof, potassium carbonate, polyvinylpyrrolidinone, and potassium bicarbonate. A method of absorbing acid gases from a... | 11/30/2010 |
| 7812971 | Multi color autofocus apparatus and method An autofocus system and method that includes a controllable light source having at least two selectively activated substantially monochromatic output wavelengths adapted for illuminating an object; a camera receiving light from said light source reflected from a por... | 10/12/2010 |
| 7806373 | Combination model train proximity detector and signal A combination model train sensor and signal includes a train proximity sensor, a signal such as red yellow and green signal lights, semaphores, wig-wag signals and the like together with a controller connected to the proximity sensor and the signal and the controlle... | 10/05/2010 |
| D600541 | Tube | 09/22/2009 |
| 7549272 | Sorbent canister with beveled edges A sorbent canister having a hollow body and porous end caps fused to opposite ends of the hollow body includes beveled surfaces at the fused sites to aid in the dispensing of the canisters into product packaging. ... | 06/23/2009 |
| 7408728 | System and method for focal length stabilization using active temperature control An optical metrological system having a heat-generating light source coaxially mounted near a heat-sensitive lens. The system uses a temperature sensor to monitor the lens temperature and a heating element to heat the lens such that the lens operating temperature is... | 08/05/2008 |
| 7380862 | Sealing device especially for sealing the folding roof of a car The invention relates to a weatherstrip assembly which is used particularly for sealing a folding hardtop (10) of a motor vehicle and comprises a joint consisting of sealing section (21) and fastening section (22) parts. The sealing section (... | 06/03/2008 |
| D569490 | Aeroturbine | 05/20/2008 |
| 7370837 | Model railroad switch machine A switch machine for a model railroad layout includes a unidirectional motor, a switch actuator coupled to the motor and movable between two switch positions by rotation of the motor, a sensor coupled to the switch actuator for sensing the position of the switch act... | 05/13/2008 |
| 7367721 | Bi-stable mechanical photographic shutter An electromagnetically operable rotary shutter is rendered bi-stable by the use of two linear electric motors, one to open the shutter and a second to close the shutter together with a latch that holds the shutter in either an open or a closed position in the absenc... | 05/06/2008 |
| D567658 | Container and closure | 04/29/2008 |
| 7334950 | Quick-change shutter assembly A shutter assembly for an optical system includes a shutter housing that maintains optical alignments with adjoining parts of the optical system and a shutter mechanism that can be removed and replaced within the shutter housing without disturbing the optical alignm... | 02/26/2008 |
| 7331491 | Closure assembly with valve A container closure assembly includes: a container neck having a first thread on an outer surface thereof; a closure for the neck, the closure having an opening therein, a skirt extending downwardly, and a second thread on an internal surface of the skirt for engagi... | 02/19/2008 |
| 7297280 | Method and apparatus to measure blood flow in hemodialysis shunts The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial line leading from the shunt at a location downstream of the venous line... | 11/20/2007 |
| D553987 | Container and closure | 10/30/2007 |
| 7105234 | Flame retardant corrosive resistant conductive fabric article and method Disclosed is a conductive, flame-retardant polymeric fabric composed of a woven or non-woven nylon, polyester or acrylic fabric. A surface of the fabric is provided with a flame-retardant layer applied by coating the flame-retardant directly onto the fabric surface.... | 09/12/2006 |
| 6788286 | Controller for graphical display A controller for a graphical display. The controller is preferably integral to a computing device that is operable while being held in one hand. The user views the display through a magnifying lens while controlling the display and controllable elements on the displ... | 09/07/2004 |
| 6746322 | Cabin pressure control system, method of controlling the actual pressure inside a cabin and outflow valve The invention relates to a cabin pressure control system (10), a method of controlling the actual pressure inside a cabin (50) and an outflow valve (14; 15; 16; 17), especially for use in said system (10) or said method. The invention pro... | 06/08/2004 |
| 6718190 | Sensor calibration and blood volume determination A method and device for the continuous real-time monitoring of relative blood volume change, based on registration of blood hemoglobin concentration, during long periods of time, such as dialysis session. A method and device for cardiac output measurement during dia... | 04/06/2004 |
| 6645541 | Enhancing puffable food products and for production thereof Methods for preparing a puffable food product suitable for cooking by microwaving, deep fat frying and hot air cooking are disclosed. The methods include mixing a starch with water at a temperature and for a time sufficient to at least partially gelatiniz... | 11/11/2003 |
| 6623436 | Retrograde catheter with reduced injectate induced temperature offset A catheter for retrograde orientation in a blood flow is used to determine the blood flow rate by thermodilution measurements. The determination of the blood flow rate accommodates injectate induced thermal influences on a dilution thermal sensor, wherein... | 09/23/2003 |
| 5047049 | Self orienting instrument handle An improved hand held medical instrument having an instrument tip having a preferred orientation, and rotatable to at least one other orientation, the tip being attached to an instrument handle adapted to be held in the hand of the user, the handle having... | 09/10/1991 |
| 4278990 | Low thermal resistance, low stress semiconductor package A semiconductor device having especially low thermal impedance between a semiconductor element and a heatsink is described wherein the semiconductor element is directly disposed upon a thin, low thermal impedance current-spreading layer on an electrically... | 07/14/1981 |
| 4272754 | Thin film varistor A thin film metal oxide-metal oxide heterojunction nonlinear resistor is described. A non-symmetrical embodiment wherein zinc oxide and bismuth oxide are employed provides exemplary nonlinear characteristics for triggering or transient suppression applica... | 06/09/1981 |
| 4271365 | Optocoupler having improved isolation The isolation voltage of an optocoupler including a light transmissive inner region and a reflective or opaque outer region, the interface between such regions being intersected by input and output terminals, is improved by providing a layer of breakdown ... | 06/02/1981 |
| 4270138 | Enhanced thermal transfer package for a semiconductor device A semiconductor device for flush mounting to an external heatsink includes an integral encapsulating body and an internal heatsink having a surface for heat transfer to an external heatsink. The encapsulating body encloses a semiconductor element and a po... | 05/26/1981 |
| 4249034 | Semiconductor package having strengthening and sealing upper chamber A semiconductor device is described wherein a semiconductor pellet is disposed within a hermetically sealed chamber including a thermally conductive base and a substantially rigid housing, said housing including an open upper chamber in which are disposed... | 02/03/1981 |
| 4247579 | Method for metallizing a semiconductor element A method for forming an electrode on a semiconductor device is described. Where surface adjacent regions of differing dislocation densities are present, an initial mechanical abrading step followed by a plasma etching step produces a surface to which a me... | 01/27/1981 |
| 4239560 | Open tube aluminum oxide disc diffusion A p-type region is formed in a semiconductor body by diffusion of aluminum from an aluminum oxide source in an open tube process. Both ceramic aluminum oxide and sapphire sources are described and an inert atmosphere of argon and hydrogen provides stable ... | 12/16/1980 |
| 4235650 | Open tube aluminum diffusion A method for forming a p-conductivity type layer in a semiconductor wafer using aluminum as a diffusion source and which can be carried out in an open diffusion tube is described. A variety of aluminum sources can be employed in an open tube. A stream of ... | 11/25/1980 |
| 4230791 | Control of valley current in a unijunction transistor by electron irradiation An improved unijunction transistor having increased valley current is characterized by a region of locally lower lifetime proximate the emitter-base junction. The lifetime is reduced either by overall irradiation of the device or, more preferably, by sele... | 10/28/1980 |
| 4212023 | Bilateral phototransistor A bilateral optically coupled phototransistor includes an infrared emitting diode coupled with a light sensitive transistor. The transistor includes symmetrical interdigitated emitter and collector regions separated by a light sensitive base. Diffused, ep... | 07/08/1980 |
| 4188245 | Selective open tube aluminum diffusion A method for selectively diffusing a semiconductor body with p-conductivity type impurities utilizing aluminum as a diffusion source and able to be performed in a reuseable open diffusion tube is described. A gas flow is established in the diffusion tube ... | 02/12/1980 |
| 4179619 | Optocoupler having internal reflection and improved isolation capabilities The optocoupling between an optical source and an optical sensor is enhanced while retaining a high dielectric strength by providing a homogeneous medium surrounding the source and the sensor having an inner light transmissive region and an outer light re... | 12/18/1979 |
| 4165351 | Method of manufacturing a metal oxide varistor Disclosed is a method of manufacturing a metal oxide varistor body. Conventional manufacturing techniques through sintering are utilized on any metal oxide varistor formulation which includes bismuth oxide. Following sintering, the devices are heat treate... | 08/21/1979 |
| 4148672 | Glass passivated gold diffused rectifier pellet and method for making Disclosed is a rectifier pellet and a method for the fabrication thereof. A layer of oxide is grown on a semiconductor wafer that has been diffused to form a plurality of rectifier pellets, and openings are etched in the oxide at locations corresponding t... | 04/10/1979 |
| 4140260 | System for separating a semiconductor wafer with discrete pellets This invention relates to a system for separating a semiconductor wafer into a plurality of discrete pellets while maintaining the relative orientation that the pellets exhibited when in the wafer. The invention is carried out by first applying a ductile ... | 02/20/1979 |
| 4138304 | Wafer sawing technique A method for dividing a semiconductor wafer into pellets includes attaching the wafer to a vinyl membrane with a coupling material which adheres more tenaciously to the membrane than to the pellets and sawing completely through the wafer and at least part... | 02/06/1979 |
| 3994664 | Parallel electrical switches Highly reliable electrical switches useful in multiple flash photolamp units are described as comprising a pair of spaced electrical conductors with radiation and voltage responsive materials overlying a portion of the conductors and the gap therebetween.... | 11/30/1976 |
