Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8082801 | Gyratory compactor apparatuses and associated methods A gyratory compactor apparatus adapted to interact with a mold that defines a mold axis is provided. The gyratory compactor apparatus includes a frame defining a frame axis and having a first mounting plate and a pivoted support carried by the frame and capable of r... | 12/27/2011 |
| 8001845 | Gyratory compactor apparatuses and associated methods A gyratory compactor apparatus is provided that is adapted to interact with a mold that defines a mold axis. The gyratory compactor apparatus includes a frame that defines a frame axis and has a first mounting plate and a spaced-apart second mounting plate. A pivote... | 08/23/2011 |
| 7987730 | Method and apparatus to monitor the compressive strength of insulation boards An edge-strength measuring device for measuring the compressive strength of a foam matrix along the edges thereof, the device comprising at least one measuring implement having one or more contacting elements for engaging with the edges of the foam matrix, and at le... | 08/02/2011 |
| 7370574 | Device for determining and maintaining mold gyration angle in a gyratory compactor A gyratory compactor apparatus is provided for interacting with a sample within a generally cylindrical mold having a flange. Such an apparatus comprises a frame defining an axis and an offsetable member engaged with the frame for engaging one end of the mold. The o... | 05/13/2008 |
| 7360444 | Interaction device for a mold for a gyratory compactor A gyratory compactor apparatus is provided for interacting with a sample within a generally cylindrical mold having a flange. Such an apparatus comprises a frame defining an axis and an offsetable member engaged with the frame for engaging one end of the mold. The o... | 04/22/2008 |
| 7320599 | Blood pressure simulation apparatus with tactile interface The blood pressure level in humans is a vital health parameter, yet the vast majority of people do not have a physical feeling for what normal and abnormal blood pressure levels mean in relation to the forces exerted on the heart and blood vessels. A blood pressure ... | 01/22/2008 |
| 7275446 | Apparatus for measuring the crushing strength of micron superabrasives A method and apparatus are provided for measuring the crushing strength of an abrasive, comprising particles, used in a lapping process. Embodiments include a crushing strength tester having a cup for holding the abrasive; a first motor for rotating the cup in a fir... | 10/02/2007 |
| 7221986 | Systems and methods for realtime determination of asphalt content Systems and methods are disclosed for asphalt mix design by predicting properties associated with a mix of volumetric properties; verifying properties of the mix by digitally collecting data for each gyration from a gyratory compactor; selecting an optimum mix based... | 05/22/2007 |
| 7213466 | Tampon-and-applicator systems and method for in vitro testing thereof A method and an apparatus for in vitro testing of catamenial tampon-and-applicator systems are disclosed. The apparatus comprises an in vitro receptacle for accepting tampons deployed during the testing procedure. The in vitro receptacle comprises a sleeve with a ta... | 05/08/2007 |
| 7191664 | Testing of mechanical properties of materials Apparatus is disclosed for testing the mechanical properties of a material. The apparatus comprises a sample container (10) adapted to be filled with a sample of the material, and a housing (20) within which the sample container (10) is, in use,... | 03/20/2007 |
| 7166085 | Apparatus for in vitro testing of tampon-and-applicator systems A method and an apparatus for in vitro testing of catamenial tampon-and-applicator systems are disclosed. The apparatus comprises an in vitro receptacle for accepting tampons deployed during the testing procedure. The in vitro receptacle comprises a sleeve with a ta... | 01/23/2007 |
| 7140259 | Expanded plug method for developing circumferential mechanical properties of tubular materials A method for determining the circumferential properties of a tubular product, especially nuclear fuel cladding, utilizes compression of a polymeric plug within the tubular product to determine strain stress, yield stress and other properties. The process is especial... | 11/28/2006 |
| 7121149 | Gyratory compactor apparatus and associated devices and methods A gyratory compactor apparatus is provided for interacting with a sample within a generally cylindrical mold having a flange. Such an apparatus comprises a frame defining an axis and an offsetable member engaged with the frame for engaging one end of the mold. The o... | 10/17/2006 |
| 7113179 | Force sensing resistor with calibration element and method of manufacturing same A force sensing resistor includes two substrates. Conductive traces including first, common, and calibration fingers are on the first substrate and define a contact area. A spacer surrounds the contact area and attaches the substrates together such that a cavity sep... | 09/26/2006 |
| 7107858 | Hot mix asphalt load simulator A device for simulating the various forces a load of hot asphalt mix places on the inside of a gyratory compactor allows the calibration of the compactor without requiring actual asphalt to be used. Obviating the need for asphalt during calibration significantly inc... | 09/19/2006 |
| 7104031 | Variable position constant force packaging system and process for using same A packaging process line that compacts rolled products as they are packaged is disclosed. A firmness measuring device is used to measure the firmness of the rolls as the rolls, for instance, enter the process line. The roll firmness device is placed in communication... | 09/12/2006 |
| 7104142 | Systems and methods for automating asphalt mix design Systems and methods are disclosed for automating asphalt mix design by running one or more tests on the mix design using computer controlled equipment; digitally collecting data for each run using the computer controlled equipment; and selecting an optimum mix based... | 09/12/2006 |
| 7096731 | Finger gripping force measuring device A gripping force measuring device includes a housing having a pressure detecting device and having a handle portion for being held by a user, a trigger attached to the housing and engaged with the pressure detecting device for applying a pressing force against the p... | 08/29/2006 |
| 7066019 | Cavity stability prediction method for wellbores A method of predicting the failure of a rock formation surrounding a subterranean cavity, including a measuring set of parameters relating to pressure conditions and stresses in the rock formation surrounding the cavity; using the set of parameters to determine a ro... | 06/27/2006 |
| 7032460 | Method for testing pressing tablets A method for test pressing tablets by means of a rotary tabletting machine, a rotationally driven rotor which has a series of upper and lower rams, a die-plate with dies with which the rams interact, a control cam system for said rams, and a filling assembly to cont... | 04/25/2006 |
| 7035703 | Systems and methods for realtime determination of asphalt content Systems and methods are disclosed for automating mix design by estimating volumetric properties for one or more mix designs; running one or more tests on the mix design using a gyratory compactor; digitally collecting data for each gyration from the gyratory compact... | 04/25/2006 |
| 6938500 | Spindle test apparatus and method An apparatus and method for testing a spindle are provided. The apparatus includes a rotational load device and a linear load device. The rotational load device is connected to the spindle via a shaft and configured to rotationally load the spindle. The linear load ... | 09/06/2005 |
| 6904693 | Method and device for defining elastic deformations and internal angle of a gyratory compactor The object of the invention is a method for defining elastic deformations and integral angle between of the most important parts of a gyratory compactor, in which method the angle of gyration of a gyratory compactor is measured during the use of the gyratory compact... | 06/14/2005 |
| 6901811 | Test device for femoral head prosthesis The invention concerns a device for testing, in a destructive or non-destructive manner, femoral head prosthesis having a blind hole for receiving the end of a femoral prosthesis rod. The device includes a frame provided with a shaft projecting from the frame, said ... | 06/07/2005 |
| 6889556 | Pressure sensor A pressure sensor is provided with two supporting bodies (10,11) with plane supporting surfaces (12,13) between which a hose (14) is compressed or flattened. For measuring the internal pressure of the hose (14), pressure transmission mean... | 05/10/2005 |
| 6889103 | Systems and methods for realtime determination of asphalt content Systems and methods are disclosed for automating mix design by estimating volumetric properties for one or more mix designs; running one or more tests on the mix design using a gyratory compactor; digitally collecting data for each gyration from the gyratory compact... | 05/03/2005 |
| 6755085 | Golf ball testing apparatus A golf ball testing apparatus for testing whether a golf ball is usable for competitive use. The golf ball testing apparatus includes a housing having a perimeter wall. The perimeter wall of the housing defines a orifice through the housing. The orifice is designed ... | 06/29/2004 |
| 6729189 | Method and apparatus for measuring packing properties Subject of the invention is a method to measure the compaction properties of soil and other similar masses. A mass specimen is placed in a cylinder. The mass specimen is then pressed with standard pressure between an upper platen and a lower platen, and the height o... | 05/04/2004 |
| 6725728 | Finger gripping force measuring or testing device A testing device includes a bladder coupled to a pressure gauge, for being squeezed or compressed by users to force air to the pressure gauge, and to measure gripping force of the users. A pumping device may be coupled to the bladder for pumping the bladder to the r... | 04/27/2004 |
| 6711957 | Systems & methods for automating asphalt mix design Systems and methods are disclosed for automating asphalt mix design by estimating volumetric properties for one or more mix designs; running one or more tests on the mix design using a gyratory compactor; digitally collecting data for each gyration from the gyratory... | 03/30/2004 |
| 6655220 | Method and device for in situ triaxial test The device comprises a corer (1, 4) fitted with a flexible diaphragm (2) on its inside face, means (10) for driving the corer into the soil (11), means for breaking up the soil leaving the top orifice of the corer, means for applying axial forces on the d... | 12/02/2003 |
| 6622569 | Instrumented mold for use in material testing equipment for measurement of material properties A system and method for measuring forces and behavior of a material when subjected to an applied force in a contained vessel or mold in directions not aligned with the applied force. Materials which flow, including mixed materials with an aggregate and a ... | 09/23/2003 |
| 6606914 | Load sensor, load sensor unit and insertion detection device A load sensor 10 is provided with an elastic conductive tube 21, and a first electrode member 22 and second electrode member 23 separated by a distance in the longitudinal direction. The load sensor 10 is further provided with an elongated insertion membe... | 08/19/2003 |
| 6578433 | Method and device for measuring donning properties of hosiery There is provided a method for testing the forces experienced by a wearer when donning a tubular article. The method includes securing one end of a tubular hosiery article to be tested to a support, inserting a tension tester head within the tubular body ... | 06/17/2003 |
| 6496789 | Spindle characterization system A spindle characterization system for characterizing performance of a spindle used in an industrial machine includes a machine base for providing a mounting and support surface and having a recessed portion. The spindle characterization facility includes ... | 12/17/2002 |
| 6477783 | Gyratory compactor angle measurement device An angle measuring device for use in a gyratory compactor. The device is a self-contained unit which is placed in the bottom of the mold and the asphalt or other material being compacted is placed on top of it. Inside the device is a carrier which has two... | 11/12/2002 |
| 6435034 | Piezo-electric stretching detector and method for measuring stretching phenomena using such a detector The present invention relates to a piezo-electric stretching detector which is used for measuring the positive and negative stretching on the surfaces of rigid structures using electric signals, wherein said detector can be attached by a force connection ... | 08/20/2002 |
| 6374685 | Creep enhanced sensor attachment arrangement A vehicle sensor assembly includes a vehicle sensor of a relatively low density material assembly for a vehicle fluid directing component such as an air intake manifold having a sensor receipt member formed of a relatively high density material. When the ... | 04/23/2002 |
| 6370961 | Nipped roller impression sensor system A nipped roller impression sensor system comprising a first roller having an axis of rotation and a surface and a second roller having an axis of rotation that is substantially parallel to the axis of rotation of the first roller, wherein the second rolle... | 04/16/2002 |
| 6360613 | Container and testing device for sport balls A container for storing sport balls incorporates a device for testing the playing condition of the balls. A cylindrical container has a removable end cap that may be attached to the closed end of the container. A ball placed within the end cap is subjecte... | 03/26/2002 |
