Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6382079 | Vibration specific bellows assembly An evacuated and hermetically sealed bellows assembly has a bellows core assembly for mechanical movement versus pressure differential requirements. Mechanical attachment means are secured to the opposite ends of the bellows assembly. Vibrational optimiza... | 05/07/2002 |
| 6144000 | Robust switch assembly A robust switch assembly has a support structure with a hermetically sealed high temperature switch secured to it. A high temperature current conductor is within the switch. A spring is in contact with the switch and with the plunger of a plunger mechanis... | 11/07/2000 |
| 5616870 | Phase resolved sampling system A system and method periodically sample a fluid stream in a conduit for undergoing analysis thereof. A sampling tube having a probe is joined to the conduit for removing samples from the stream flowing therethrough. An analyzer is joined to the sampling t... | 04/01/1997 |
| 5594766 | Method and apparatus for improving efficiency in computing radon derivatives for CT imaging In an arrangement for computed tomography imaging, line integral data is converted into a set of Radon data, for use in constructing an image of an object, by computing the derivatives for respective data points in the Radon data set. To improve efficienc... | 01/14/1997 |
| 5590550 | Washer auger with flexible ratchet drive A drive mechanism for converting rotary oscillation of a washing machine clothes agitator to unidirectional rotation of an adjoining clothes auger includes a one-piece ratchet wheel, and a cooperating one-piece pawl wheel. The pawl wheel includes integral... | 01/07/1997 |
| 5581483 | Measurement of shot peening coverage by correlation analysis of surface line data A method of measuring shot peening coverage includes correlation analysis of surface line data. The method comprises the use of cross correlation of two or more parallel profile traces of a shot peened surface to produce a numeric indication of relative p... | 12/03/1996 |
| 5577407 | Washer auger with gravity assisted ratchet drive A drive mechanism for converting rotary oscillation of a washing machine clothes agitator to intermittent unidirectional rotation of an adjoining clothes auger includes a ratchet wheel and cooperating ratchet pawls. The wheel includes axially oppositely f... | 11/26/1996 |
| 5569399 | Lasing medium surface modification This invention relates to the modification of lasing medium surfaces, such as crystals, to reduce the internal reflections that contribute to amplified spontaneous emission (ASE) losses. A laser ablation treatment involves focusing an optical irradiation ... | 10/29/1996 |
| 5568144 | Method for improving waveform digitization and circuit for implementing said method A method and circuit for improved digitization of waveforms having a large dynamic range, including selecting a signal threshold value which partitions the dynamic range of the waveform into a small signal region and a large signal region; sampling the wa... | 10/22/1996 |
| 5559846 | Technique for improving processor efficiency in CT imaging An arrangement for CT imaging of an object is provided, wherein a cone-beam X-ray source traverses a scan path to acquire line integral data at a plurality of view positions, a set of Radon data points in Radon space being associated with the arrangement,... | 09/24/1996 |
| 5558496 | Removing particles from gas turbine coolant Particulates are removed from the coolant used to cool gas turbines by subjecting the coolant to the centrifugal acceleration of the gas turbine rotor. Axially oriented channels are formed in the rotor at a radial distance from its longitudinal axis. The ... | 09/24/1996 |
| 5558193 | Ball-type auger ratchet mechanism for agitator/auger systems A novel ball-type auger ratchet mechanism which may be used with washer agitators and augers. More particularly this mechanism comprises a top cap, a simplified cam, and a plurality of balls. The structures described have fewer parts than conventional aug... | 09/24/1996 |
| 5551777 | Single screw extruder capable of generating chaotic mixing This invention relates to extruders of the type which employ single screws that use chaotic mixing to generate substantially better distributive mixing. Such structures of this type, generally, stretch and fold material lines repeatedly such that interfac... | 09/03/1996 |
| 5528913 | Washing machine with snubbers for limiting unbalanced load vibration excursions A plurality of snubbers for a washing machine dampens and isolates unbalanced load excursions by using the positive displacement pumping action of air being forced through an orifice in each snubber. One end of each snubber is attached to the washing mach... | 06/25/1996 |
| 5521954 | Method and apparatus for improved accuracy in computed tomography cone-beam imaging A system is provided for improving the operation of a computed tomography system in forming an image of an object, wherein a cone-beam source is employed to project an image of the object onto a detector plane to provide a set of cone-beam projection data... | 05/28/1996 |
| 5520029 | Coil spring and snubber suspension system for a washer A suspension spring assembly for a washing machine employs a coil spring in compression. The suspension spring system uses a snubber mounted inside the coil spring to help dampen and isolate unbalanced load excursions by using the positive displacement pu... | 05/28/1996 |
| 5514218 | Soil washing process using polymeric sorbents Contaminated material is decontaminated using a process in which fractions of the contaminated material are sequentially exposed to a polymeric sorbent to enhance removal of contaminants. The contaminated material is first converted into a slurry which ma... | 05/07/1996 |
| 5510709 | Eddy current surface inspection probe for aircraft fastener inspection, and inspection method An eddy current surface inspection array probe and method for detecting cracks and flaws in aircraft skin metal immediately surrounding rivets, without requiring rivet removal or manual scanning. The array probe includes a circular array of small sense co... | 04/23/1996 |
| 5507172 | Apparatus to measure particle distribution of a shot stream A novel apparatus capable of measuring distribution of a shot stream is disclosed. More particularly, the apparatus comprises an elongated measurement window positioned within a partition plate. Said elongated measurement window being partitioned into sma... | 04/16/1996 |
| 5500505 | Method for cutting epoxy/carbon fiber composite with lasers A method for cutting epoxy/carbon fiber composites of carbon fibers in epoxy resin uses a diffraction-limited neodymium (Nd) yttrium-aluminum-garnet (YAG) laser operated in a high peak power Q-switch mode at high pulse rates. The fiber composite is cut wi... | 03/19/1996 |
| 5494027 | Rangetop burner grate for uniform heating during simmer operation Simmer performance in gas ranges is improved by providing a burner grate with a flame impingement ring centered over the gas burner. The burner grate includes a base and a plurality of fingers attached to the base. The flame impingement ring is attached t... | 02/27/1996 |
| 5488942 | Atmospheric gas burner having extended turndown An atmospheric gas burner produces improved turndown by separating a small number of the burner ports for simmer service. The burner has an internal baffle which includes a cup section having four outwardly-extending channels. Each one of the channels ali... | 02/06/1996 |
| 5488784 | Ventilated tray for adsorbent desorption A ventilated tray for holding adsorbent material during microwave desorption of the material. The tray facilitates the flow of desorption gases through a bed of adsorbent without agitation of the adsorbent. The ventilated tray includes a housing having fo... | 02/06/1996 |
| 5487277 | Independent compartment temperature control in a household refrigerator using interlinked thermostats Energy efficient independent temperature control is achieved in refrigerators by minimizing system run time. A freezer thermostat activates the refrigeration system when the freezer compartment requires cooling and a fresh food thermostat which controls a... | 01/30/1996 |
| 5487274 | Screech suppressor for advanced low emissions gas turbine combustor Combustion-induced unsteady oscillations referred to as screech are suppressed in gas turbine combustors by a plurality (preferably two to six) of screech suppression members disposed in the premixers of the combustors. The screech suppression members are... | 01/30/1996 |
| 5483043 | Induction heating of polymer matrix composites in a mold press Induction heating is utilized to heat polymer matrix composites containing electrically conductive fibers. This is accomplished with an apparatus having a mold with first and second cores positioned to receive a workpiece therebetween and first and second... | 01/09/1996 |
| 5479781 | Low emission combustor having tangential lean direct injection Lean direct injection is used in a gas turbine combustor to reduce NOx emissions. The combustor has a plurality of fuel jets for tangentially injecting fuel and a plurality of air jets for tangentially injecting air therein. The fuel jets and t... | 01/02/1996 |
| 5479793 | Minimum dwell time reed ratchet for washing machine augers A ratchet mechanism is provided which is adapted to convert the continuously oscillating rotation of a clothes washing machine agitator to periodic rotation in a single direction for a clothes washing machine auger. The mechanism comprises a cap and a cam... | 01/02/1996 |
| 5479874 | CVD diamond production using preheating A filament reactor for producing diamond using chemical vapor deposition (CVD) techniques. The reactor includes a closed reaction chamber with at least one gas inlet and at least one exhaust port, two substrates disposed in the reaction chamber, and a res... | 01/02/1996 |
| 5480558 | Electric enhancement of adsorbent flotation separation An adsorbent electrode assembly electrically enhances contaminant removal in soil washing processes. The adsorbent electrode assembly is immersed in the froth of a flotation cell and connected to one pole of a battery. The other pole of the battery is con... | 01/02/1996 |
| 5477708 | Vibration-isolated washing machine agitator An apparatus is provided which may be adapted for use as a washing machine agitator which isolates an agitator drive unit from the peak torques exerted upon vanes of the agitator due to irregularities in the rotational oscillation of the agitator which wo... | 12/26/1995 |
| 5475702 | Diode pumped slab module A slab module for a face-pumped laser includes a box frame having top and bottom walls and opposite end walls defining a central slab chamber therein. The end walls have central access holes for receiving opposite ends of a laser slab positionable in the ... | 12/12/1995 |
| 5471840 | Bluffbody flameholders for low emission gas turbine combustors Combustion-induced instabilities are minimized in gas turbine combustors with a plurality of flameholders disposed on the center hub of each fuel nozzle. The flameholders are streamlined bluffbodies oriented at an angle with respect to the longitudinal ax... | 12/05/1995 |
| 5471849 | Independent compartment temperature control in a household refrigerator using fan interlock Energy efficient independent temperature control is achieved in refrigerators by minimizing evaporator fan on time. A circuit including a first switch responsive to a freezer thermostat and a second switch responsive to a fresh food thermostat controls op... | 12/05/1995 |
| 5472772 | Method for welding stacker laminations and article therefrom A method for welding a plurality of stacked laminations includes positioning an edge of the laminations adjacent to a pulsed laser for receiving a pulsed laser beam at the kerf defined between adjacent laminations. The laser is operated to direct the puls... | 12/05/1995 |
| 5463876 | Control system for refrigerant metering solenoid valve A system including a control circuit and a sensing circuit controls an expansion valve in a refrigeration system using pulse width modulation. The control circuit includes a ramp generator, a pulse width modulator, and a power switch. In response to input... | 11/07/1995 |
| 5464004 | Atmospheric gas burner having diffusion pilot for improved dynamic stability An atmospheric gas burner produces improved flame stability by establishing a higher pressure drop pilot flame at at least one burner port. The burner has a preferably recessed pilot port which is isolated from the primary burner ports. A small portion of... | 11/07/1995 |
| 5463666 | Helical and circle scan region of interest computerized tomography Imaging of a region of interest within a larger object is accomplished without the need for determining Radon derivatives of portions of the object outside a field of view which generally corresponds to the region of interest. The field of view and region... | 10/31/1995 |
| 5463721 | Method for constructing a three dimensional scanning trajectory capable of acquiring a complete set of radon data for exact image reconstruction of an object irradiated by a cone beam source Construction and assessment methods provide a three dimensional scanning trajectory to ensure the acquisition of a complete set of Radon data for exact image reconstruction of an object irradiated by a cone beam source is described. The three dimensional ... | 10/31/1995 |
| 5461651 | Reconstruction of images in cone beam scanning with rectangular detector elements Computerized tomography (CT) reconstruction of images is accomplished for asymmetric grids. After initial data acquisition and normalization, the asymmetric projection data is distorted by a compression process which effectively converts the data into sym... | 10/24/1995 |
