Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7893698 | Non-destructive method for detecting zones with non conductive materials in a composite part Non-destructive method for detecting zones with non-conductive materials, such as materials that include glass fibers, in a part made of a conductive composite, such as a composite whose reinforcing fibers are carbon fibers, provided with an organic coating, that in... | 02/22/2011 |
| 7372584 | Dual photo-acoustic and resistivity measurement system A measurement system for measuring aspects of a wafer combines an apparatus for performing a conductivity measurement, such as a four-point probe system, with apparatus for performing an optical measurement, such as a photoacoustic measurement system. Results are ob... | 05/13/2008 |
| 7362109 | Gem tester using electrical photoconductivity Diamond look-alikes like cubic zirconium, moissanite and other synthetic stones, are distinguishable from nature diamonds based on their thermal and/or electrical conductivities. Germ testers that are on the market are capable of evaluating these two parameters as i... | 04/22/2008 |
| 7211923 | Rotational motion based, electrostatic power source and methods thereof A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced from and on substantially opposing sides of the member from the othe... | 05/01/2007 |
| 7193178 | Method and apparatus for controlling the heating of an oxygen sensor in a motor vehicle Methods and apparatus are provided for controlling the heating of an oxygen sensor in a motor vehicle. The apparatus comprises an oxygen sensor for measuring oxygen levels in exhaust gases of a motor vehicle. The oxygen sensor comprising a heater rod, an outer elect... | 03/20/2007 |
| 7185545 | Instrumentation and method for monitoring change in electric potential to detect crack growth Instrumentation for monitoring crack growth using a change in electric potential across a starter crack as the crack propagates is disclosed. The instrumentation includes a specimen of a material to be analyzed for crack growth propagation having a surface with a st... | 03/06/2007 |
| 7154401 | Method and apparatus for assessing the integrity of a jewellery setting There is provided a method for assessing the integrity of grip of a stone in a jewellery setting having plural gripping claws to grip said stone, the method comprising heating the stone; measuring conductive transfer of heat from the stone to each of said plural gri... | 12/26/2006 |
| 7137287 | Staged electrode carrier of an Osensor A staged electrode carrier of an O2 sensor comprises a sensor; a detecting end carrier installed in the sensor; the detecting end carrier having a positive lead, a negative lead and a channel communicated to atmosphere; one end of the positive lead of the... | 11/21/2006 |
| 7135872 | Method of determining the composition of a multiphase fluid A method of determining the composition of a multiphase fluid, such as a flowing petroleum effluent, an emulsion of water and oil, or a foam of oil and gas is disclosed. A first part comprises determining a model expressing the attenuation and the phase shift of a m... | 11/14/2006 |
| 7106043 | Low capacitance measurement probe A low capacitance measurement probe is disclosed. The low capacitance measurement probe comprises an outer conductor forming an outer wall having an exterior and an interior; a non-conductive spacer forming a first wall having an exterior and an interior with the no... | 09/12/2006 |
| 7068054 | Real-time carbon sensor for measuring concentration profiles in carburized steel An alloy solute sensor probe, measurement system and measurement method are disclosed for directly measuring solute concentration profiles in conductive material components at elevated processing temperatures. The disclosed device and method permit direct, real-time... | 06/27/2006 |
| 7050160 | Process and apparatus for integrating sheet resistance measurements and reflectance measurements of a thin film in a common apparatus A process for measuring both the reflectance and sheet resistance of a thin film, such as a metal film or a doped semiconductor, in a common apparatus comprises: directing a beam of radiation from a radiation source on the common apparatus onto a portion of the surf... | 05/23/2006 |
| 7043957 | Element impedance detection apparatus and method for oxygen sensor An element impedance detection apparatus for an oxygen sensor is provided with a first switching device, a second resistor, first resistor, and a first condenser for application of a sweep voltage to the oxygen sensor. The first switching device is switched to ON an... | 05/16/2006 |
| 7023231 | Work function controlled probe for measuring properties of a semiconductor wafer and method of use thereof In a method of measuring at least one electrical property of a semiconductor wafer, an elastically deformable conductive contact formed from an electrically conductive coating overlaying an electrically conductive base material is provided. The base material has a f... | 04/04/2006 |
| 6972582 | Apparatus and method for measuring semiconductor wafer electrical properties An apparatus for measuring at least one electrical property of a semiconductor wafer includes a probe including a shaft having at a distal end thereof a conductive tip for electrically communicating with an object area of the semiconductor wafer. The apparatus furth... | 12/06/2005 |
| 6952652 | System and method for sample detection based on low-frequency spectral components Method and apparatus for detecting a selected material in a sample are disclosed. In the method, the sample is placed adjacent a detector coil, for generating an electromagnetic time-domain signal composed of sample source radiation. The signal is first conditioned ... | 10/04/2005 |
| 6940298 | High fidelity electrical probe A probe assembly for use with a calibration/validation robot to calibrate/validate a plurality of semiconductor tester channels is disclosed. The probe assembly includes a bracket adapted for mounting to the robot and a probe element for engaging test points dispose... | 09/06/2005 |
| 6917205 | Microwave-resonator and measuring device A resonator device for testing a material quantity in the tobacco-processing industry for existence of at least one foreign substance and/or for detecting at least one of weight, density and humidity level of the material includes a resonator housing having a throug... | 07/12/2005 |
| 6815974 | Determining composition of mixed dielectrics Techniques for determining the composition of mixed dielectric layers are disclosed. ... | 11/09/2004 |
| 6791334 | Oil condition sensor and method for making the same An oil condition sensor detects a condition of oil in response to the potential difference between electrodes. The electrodes include at least a first and second electrodes coaxially arranged. The electrodes have projections being arranged to face each other in an o... | 09/14/2004 |
| 6788076 | Apparatus for determining doping concentration of a semiconductor wafer An apparatus for measuring at least one electrical property of a semiconductor wafer includes a probe including a shaft having at a distal end thereof a conductive tip for electrically communicating with an object area of the semiconductor wafer. The apparatus furth... | 09/07/2004 |
| 6636055 | Multifrequency equipment for sensing the state of electrodes in electric-arc furnaces Apparatus and method for sensing the state of electrodes during baking to obtain an indication of the internal condition of the electrodes where changes of phase are being produced. The apparatus includes a conductor disposed within the electode material ... | 10/21/2003 |
| 6580280 | Multilayered gas sensor and a related gas concentration detecting system An exhaust gas side electrode is provided on one surface of a solid electrolytic substrate. A reference gas side electrode is provided on an opposite surface of the solid electrolytic substrate so as to be exposed to a reference gas stored in a reference ... | 06/17/2003 |
| 6566853 | Molten metal inclusion sensor probes Molten metal inclusion sensor probes have a sensing passage through which the molten metal passes, while direct current passes through the passage between two electrodes. The passage of an inclusion through the passage changes the resistance in the path, ... | 05/20/2003 |
| 6525549 | Method for determining the concentration of a substance in a liquid by measuring electrical current in a test strip In a method for determining the concentration of a substance in a liquid, especially for blood sugar determination, the investigated liquid is applied to the test field of a test strip (14) to be measured by way of electrical current and the resulting oxi... | 02/25/2003 |
| 6468478 | Oxygen concentration sensor element impedance detecting apparatus and method An oxygen concentration sensor element impedance detecting apparatus and method that maintains sensor detection accuracy by shortening the sweeping time period of an element impedance detecting voltage. A sub-microcomputer performs at least two sweeping a... | 10/22/2002 |
| 6466038 | Non-isothermal electromigration testing of microelectronic packaging interconnects A method for measuring electromigration includes the steps of measuring a corresponding voltage increase across an interconnect as a function of time for a plurality of nonzero heating rates and calculating an interconnect integrity from the voltage incre... | 10/15/2002 |
| 6439766 | Diamond detecting apparatus and method An apparatus and method for determining if a stone mounted in an electrically conductive mounting is a true diamond employs a housing to be held in one hand of a user while the other hand holds the mounting. An electrically and thermally conductive probe ... | 08/27/2002 |
| 6380745 | Electrical geophysical apparatus for determining the density of porous materials and establishing geo-electric constants of porous material The invention includes an apparatus for determining geo-electric data and the density of a porous material. A resistivity-measuring device applies an electrical current through an electrode array to that is part of a non-electrical conductive test cell th... | 04/30/2002 |
| 6300778 | Solder paste and residue This invention relates to an on-line statistical process control device for solder paste and residues. The invention consists of electronics hardware, software, and probing systems. The electrical hardware of the invention provides voltage and current mea... | 10/09/2001 |
| 6265884 | Electrical conductivity gem tester It has been learned that moissanite and other synthetic stones, including synthetic moissanite and synthetic diamond, are distinguishable from natural diamonds based on differing electrical conductivities. The present invention, therefore, provides an app... | 07/24/2001 |
| 6167300 | Electric mammograph The electric mammograph is an electrical impedance tomograph device for obtaining three-dimensional images of the conductivity distribution in biological tissues. A planar array of electrodes is put in contact with the tissues of interest. An AC source is... | 12/26/2000 |
| 6084418 | Method for accurately detecting sensor element resistance An air-fuel ratio sensor generates linear air-fuel ratio detection signals proportional to concentration of oxygen in exhaust gas from an engine in response to a command voltage from a microprocessor. A bias command signal generated by the microprocessor ... | 07/04/2000 |
| 6058934 | Planar hematocrit sensor incorporating a seven-electrode conductivity measurement cell A conductivity sensor for measuring hematocrit and a sensor housing for a blood analysis instrument using the conductivity sensor are described. The conductivity sensor includes a seven-electrode conductivity measurement cell in which three symmetric pair... | 05/09/2000 |
| 6034520 | Method of determination of active ions by electric conductivity and electric conductivity metering system therefor Provided is a method and metering system for the determination of active ions emitted from certain active substances such as rayon fibers containing fine particles of tourmaline known to exhibit permanent spontaneous polarization. The method comprises: co... | 03/07/2000 |
| 6005399 | Solder paste and residue measurement system This invention relates to an on-line statistical process control device for solder paste and residues. The invention consists of electronics hardwa software, and probing systems. The electrical hardware of the invention provides voltage and current meas... | 12/21/1999 |
| 5999004 | Method of detecting a change in the property of a rubber member The electrical impedance of a dumbbell-shaped rubber sheet (1) is measured, and the deterioration of the dumbbell-shaped rubber sheet (1) is detected from the result of the measurement. The present invention relates to a method of detecting a change in th... | 12/07/1999 |
| 5889396 | Method and device for measuring the quantity of an active principle contained in a reservoir A solution of active principle, in ionized form, impregnates a layer (2) forming part of the reservoir (1). A measurement of the quantity of active principle contained in this layer is derived from a measurement of the conductivity of this layer. The meas... | 03/30/1999 |
| 5861750 | Geophysical methods and apparatus for determining the hydraulic conductivity of porous materials A method and device for determining the hydraulic conductivity of porous materials is disclosed. The method uses a general permeability equation for calculating the hydraulic conductivity. The resistivity of the porous material is measured when the porous... | 01/19/1999 |
| 5861751 | Electrical geophysical methods and apparatus for determining the in-situ density of porous material The invention includes a method and device for determining the in-situ density of a porous material. A resistivity measuring device applies an electrical current through an electrode array to measure the resistivity of the porous material. The resistivity... | 01/19/1999 |
