Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7692339 | Stirling cycle engine To provide a less expensive and high-efficient free-piston Stirling cycle machine with an outer diameter of entire machine being relatively small. In a Stirling cycle cooler as a free-piston Stirling cycle machine including a cylinder 7, a piston 18 wh... | 04/06/2010 |
| 7687432 | Mesh-adjustable molecular sieve A metal-organic framework-based mesh-adjustable molecular sieve (MAMS) exhibiting a temperature-dependent mesh size. The MAMS comprises a plurality of metal clusters bound with a plurality of amphiphilic ligands, each ligand comprising a hydrophobic moiety and a fun... | 03/30/2010 |
| 7685818 | Connection of a free-piston stirling machine and a load or prime mover permitting differing amplitudes of reciprocation The reciprocatable power piston of a free-piston Stirling machine is drivingly linked to a reciprocatable component body of an associated apparatus by at least one spring with no rigid connection linking the piston to the component body. The spring drive linkage all... | 03/30/2010 |
| 7674162 | Chicken mid-wing splitter An apparatus for spitting whole poultry mid-wing sections into a first radius portion that includes the radius bone of the mid-wing and its surrounding muscle, tissue, and skin and a second ulna portion that includes the ulna bone of the mid-wing and its surrounding... | 03/09/2010 |
| D611661 | Bird feeder | 03/09/2010 |
| 7672106 | Switching incandescent lamps and other variable resistance loads with a solid state, smart, high side driver having overcurrent and temperature sensing protection circuits A circuit and method for controlling a smart, high side driver with current and temperature sensing so that it can turn ON a relatively high current load of incandescent lamps or similar loads within a practical time. The output of the high side driver is sensed. In... | 03/02/2010 |
| 7665252 | Wall bracing apparatus A wall bracing apparatus for mounting between a wall and the floor during construction. The wall bracing apparatus includes a tube that is mounted to a wall-mounted device and a floor-mounted device. The wall-mounted device has a backing plate and a front plate on o... | 02/23/2010 |
| 7662032 | Portion cutter An apparatus for producing selectively sized multiple portions of meat from a larger piece of meat. A plurality of product carriers having open-top recesses are mounted on a conveyor for travel along a path. At least two transverse sets of parallel slots are provide... | 02/16/2010 |
| 7662031 | Turkey breast defatter An automated poultry defatting apparatus which includes a housing having a product feed inlet and discharge outlet and housing a conveyor aligned to engage the upper surface of a piece of poultry product entering the feed inlet. The apparatus is provided with upper ... | 02/16/2010 |
| 7657309 | Measuring human heart muscle viability using myocardial electrical impedance A method for detecting a quantitative measure of a physiologic state of a human myocardium or coronary artery. Implementations of the method detect the extent of change of myocardial electrical impedance from a mean baseline value to provide diagnosis of the extent ... | 02/02/2010 |
| 7641001 | Auger A tool for boring has an axle for drivingly linking at a first end to a portable rotatable machine. At a second end, the axle has a shaft-receiving bore into which a nose shaft is inserted. The nose has a cutting tip and a flight cutter that aligns with a flight on ... | 01/05/2010 |
| 7635812 | Conductor raceway separator A divider for keeping current-carrying conductors separated transversely in raceways, such as walker ducts and cable trays, in which multiple conductors extend, in order that air can flow around the conductors and cool the conductors. The divider is mounted in the r... | 12/22/2009 |
| 7633173 | Electronic controller matching engine power to alternator power and maintaining engine frequency for a free-piston stirling engine driving a linear alternator A feedback control method and circuit for inclusion in a control system of an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. An instantaneous value of a variable, Vinternal, is continuously der... | 12/15/2009 |
| 7631469 | Spacing device Spacing device has a body (2) and at least two guiding flanges (3, 4) which extend from the upper surface (5) of the body. The flanges are spaced approximately the width of the support means and are configures to locate the support means and the... | 12/15/2009 |
| 7625297 | Golf club shaft with adjustable stiffness A golf club shaft having adjustable stiffness. An elongated tensioning member extends through the shaft and is mounted to both ends of the shaft. A tensioner assembly is mounted to the shaft and is connected to the tensioning member for allowing manual adjustment of... | 12/01/2009 |
| PP20489 | plant named ‘Nedsyelo’ A new plant variety of Juniperus chinensis that is distinguished from its parent and all other varieties of Juniperus chinensis by having bright yellow-green needles combined with unusually slow growth and compact habit. ... | 11/17/2009 |
| 7602198 | Accuracy enhancing mechanism and method for current measuring apparatus An optical interferometer used to measure the current in a conductor, where the gap between the mirror and the quarter wave plate is minimized, and the gap is shielded magnetically. Additionally, at least the modulator is shielded, and preferably the case containing... | 10/13/2009 |
| 7600464 | Multi-piece piston for a free piston machine The concentricity and coaxiality of a central bore through a piston for a free piston Stirling machine is improved with a piston that has a sleeve with a core constructed from at least two, separate, axially-engaging core components sealed within the sleeve. During ... | 10/13/2009 |
| 7600459 | Drive mechanism and slicing apparatus for food slicing machine A food slicing machine using a linear servo motor to reciprocate a carriage holding food products through a path that includes a slicing blade. The slicing apparatus is a modular apparatus that can be mounted to and removed from slicing machines as a unit without th... | 10/13/2009 |
| 7576458 | Dipping varnish-coated cooling shell of a housing for an electric machine A coolable housing shell for an electric machine, which is produced as a cast part, accommodates a concentric interior rotor/stator arrangement, coils, and end windings, and comprises a clear, open, through passage that is embodied in a symmetric, concentric, and/or... | 08/18/2009 |
| 7553118 | Diverter and method for moving bodies between levels of an assembly line or other structure A method and apparatus for moving loaded pallets from one location to another, such as from a region of an assembly line to a vertically lower region of the same assembly line. A first conveyor track is angled downwardly from a source of loaded pallets toward a dive... | 06/30/2009 |
| 7543895 | Metal-sheathed composite vehicle axle A vehicle axle formed having a composite tubular member and a pair of metal sheaths spaced apart from one another at opposite ends of the composite tubular member. The composite tubular member has an outer wall surface and an interior elongated channel, with the int... | 06/09/2009 |
| 7534947 | Oboe reed gouge apparatus An oboe reed gouge device has a carriage upon which a blade is carried at an angle to raw cane material from which a reed is formed. The carriage is rotatably and longitudinally slidable on a rod to move relative to the cane. The rod has opposing end segments with c... | 05/19/2009 |
| D592530 | Multipurpose pendant watch | 05/19/2009 |
| 7511459 | Controller computing a virtual tuning capacitor for controlling a free-piston stirling engine driving a linear alternator A feedback control circuit and method for a control system used to control an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. A switching mode rectifier connects the alternator winding to an output circuit... | 03/31/2009 |
| 7505600 | Processor control of an audio transducer A controller, either a microprocessor or finite state machine, is used to generate a pulse train whose frequency and duty cycle can be varied to alter the frequency and amplitude of the output of a driven audio transducer. The ability to control both frequency and a... | 03/17/2009 |
| 7468876 | Safety switch A circuit for controlling at least one circuit breaker switch that is series connected between a source of electrical power and an electrical load. The circuit includes a programmed controller having at least two inputs and at least one output. A current sensor sens... | 12/23/2008 |
| 7469363 | Computer network with diagnosis computer nodes The invention relates to a computer network for configuration, installation, monitoring, error-diagnosis and/or analysis of several physical technical processes, in particular electrical drive processes, which occur under the control, regulation and/or monitoring of... | 12/23/2008 |
| 7467478 | Adjustable motorcycle fitting frame An adjustable motorcycle-fitting frame for identifying or verifying comfortable or otherwise desirable seat, handle bar, and foot peg positions for use in the design and fabrication of a motorcycle. Once the component parts of the frame are adjusted to a comfortable... | 12/23/2008 |
| 7458143 | System for centering a workpiece on the central axis of a cylindrical bore A system for precisely centering a workpiece within a cylindrical bore such that the center of the workpiece is coaxial with the central axis of the bore. An arbor is used within the cylindrical bore to sense and calculate the location of the central axis. The posit... | 12/02/2008 |
| 7453224 | Sensing mechanical transitions from current of motor driving hydraulic pump or other mechanism A circuit and method for detecting an operating transition of a mechanical apparatus driven by a hydraulic prime mover comprising a hydraulic pump driven by an electric motor, the operating transition causing a change in the force applied by the mechanical apparatus... | 11/18/2008 |
| 7453241 | Electronic controller matching engine power to alternator power and maintaining engine frequency for a free-piston stirling engine driving a linear alternator A feedback control method and circuit for inclusion in a control system of an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. An instantaneous value of a variable, Vinternal, is continuously der... | 11/18/2008 |
| 7447534 | Method and apparatus for measuring electro-physiological activity An electro-optic modulator modulates light in response to a life-form bio-potential to provide a bio-potential modulated light output. Modulation can be carried out as a result of capacitive coupling with the bio-potential. Phase, polarization, and intensity light m... | 11/04/2008 |
| 7441589 | Absorption heat-transfer system A waste heat source (100) is used to heat a high temperature heat transfer fluid which is used to heat an absorption heat transfer machine (10) having a generator (20), an absorber (30), a condenser (40), and an evaporator (50 | 10/28/2008 |
| D579060 | Pedal car | 10/21/2008 |
| 7437878 | Multi-stage pulse tube cryocooler with acoustic impedance constructed to reduce transient cool down time and thermal loss The cool down time for a multi-stage, pulse tube cryocooler is reduced by configuring at least a portion of the acoustic impedance of a selected stage, higher than the first stage, so that it surrounds the cold head of the selected stage. The surrounding acoustic im... | 10/21/2008 |
| D579061 | Pull cart wagon | 10/21/2008 |
| 7434698 | Two fiber filtration material A filtration material comprising a blend of at least two types of fibers: (a) polypropylene fibers and (b) either acrylic or modacrylic fibers. In a preferred embodiment, the blend contains about 50 weight percent polypropylene fibers and about 50 weight percent mod... | 10/14/2008 |
| 7434409 | Pulse tube cooler having ¼ wavelength resonator tube instead of reservoir An improved pulse tube cooler having a resonator tube connected in place of a compliance volume or reservoir. The resonator tube has a length substantially equal to an integer multiple of ¼ wavelength of an acoustic wave in the working gas within the resonator tube... | 10/14/2008 |
| 7425086 | Dock light A dock light for mounting in a void in the side of a floating dock. The light has a housing with a floor, sidewalls, lens and lid defining a chamber. The chamber houses a power source, such as a battery and photovoltaic cell, and a light source, such as a light emit... | 09/16/2008 |
