Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8015860 | Method of measuring deposition onto a substrate A method of measuring the deposition of a composition onto a substrate. This information can be used to correlate how the composition will deposit on sanitary ware, such as shower cubicles, baths, and wash basins. The composition can be a liquid personal cleansing c... | 09/13/2011 |
| 7735356 | Measuring apparatus and measuring method for concrete-forming materials A measuring apparatus of submergence aggregate according to the present invention comprising a stock bin for storing fine aggregate, a fine aggregate feed hopper placed under the stock bin, a vibrating feeder placed under a discharge opening of the fine aggregate fe... | 06/15/2010 |
| 7437957 | Porous medium tensiometer A porous medium tensiometer has a filling mechanism which allows to fill a fluid chamber and simultaneously withdraw gas contained in the fluid chamber. A self-priming tensiometer includes a porous material tip having a first section surrounded by a fluid-impermeabl... | 10/21/2008 |
| 7421887 | Moisture detection and control using sensor feedback A method for moisture detection and removal is provided. The method involves providing discrete feedback as an indication of current moisture accumulation on a surface of a perforated plane, wherein the plane includes at least one moisture sensor, integrated within ... | 09/09/2008 |
| 7207212 | Device and method for weighing concrete material A measuring apparatus of submergence aggregate according to the present invention comprising a stock bin for storing fine aggregate, a fine aggregate feed hopper placed under the stock bin, a vibrating feeder placed under a discharge opening of the fine aggregate fe... | 04/24/2007 |
| 7063270 | Moisture sensor sprinkler control systems Irrigation systems, moisture sensors and related methods having a sensor embedded in the ground to sense moisture and help control watering. The sensor is responsive to capacitance changes from ground moisture variations. The sensor uses spaced insulated electrodes ... | 06/20/2006 |
| 6981405 | Moisture-detection device A device for determining moisture has an LC-oscillating circuit as a transducer and an oscillator for exciting the oscillating circuit. Further, the device for determining moisture has a tuning device for frequency-wise tuning the oscillator and a measuring and eval... | 01/03/2006 |
| 6938461 | Constant-head soil permeameter for determining the hydraulic conductivity of earthen materials at a wide range of depths A constant-head soil permeameter for determining hydraulic conductivity of earthen materials is inserted into a borehole at the desired test depth. A calibrated reservoir, disposed on the ground surface, is attached thereto with a suitable length of hose. Water is a... | 09/06/2005 |
| 6935166 | Measurement of moisture of potting soil The invention relates to a method and apparatus for determining the moisture content of bulk material, in particular potting soil, wherein the volume of a quantity of bulk material is determined, the weight of the quantity of bulk material is determined, the specifi... | 08/30/2005 |
| 6913780 | Magnetic recording medium, and method for producing and inspecting the same The present invention provides a method for inspecting deposition characteristics of a deposit on the surface of a protective film predominantly containing carbon of a magnetic recording medium, which medium includes a disk and the protective film formed on the disk... | 07/05/2005 |
| 6904789 | Moisture detection apparatus and method A sensor to detect the presence of water or moisture in bulk materials includes a standard circuit board and a three element transmission line. The sensor electronics include an oscillator responsive to a direct current voltage supply which provides a square wave vo... | 06/14/2005 |
| 6802205 | Moisture detection system and method of use thereof A moisture detection system includes an electrical conductor disposed on a surface of a substrate. The electrical conductor has a resonant frequency that varies as a function of an amount of moisture present adjacent the electrical conductor. An oscillator outputs a... | 10/12/2004 |
| 6723151 | Gas removal method and gas removal filter A gas removal filter has an ion exchanger for adsorbing a gas and at least a pair of electric resistance measuring electrodes disposed on the ion exchanger. By measuring a change in the electric resistance between at least the pair of electric resistance measuring e... | 04/20/2004 |
| 6655315 | Moisture indicators for the absorbent capacity of a desiccant Moisture indicators comprising, as active principle, copper chloride or another salt capable of releasing Cu++ and Cl- ions, and synergistic salts containing chloride ions, which may be hygroscopic on a suitable support. Depending on... | 12/02/2003 |
| 6648903 | Medical tensioning system A medical tensioning cable system provides dynamic tensioning to maintain high tension in a fixation system despite tissue shifting, cable slippage, or other inadvertent loss of tension. An exemplary embodiment of an in-line dynamic tensioning system incl... | 11/18/2003 |
| 6637259 | Portable grain moisture meter A portable grain moisture measurement device automatically initiates testing at a predetermined grain compression and is calibrated to commercial moisture testers found in various commercial grain elevators so the user can select the commercial tester he ... | 10/28/2003 |
| 6622546 | Moisture content tester for non-destructive multipurpose testing A moisture content tester for non-destructive multipurpose testing that may be arranged in a drying apparatus or a testing box for proceeding a test of moisture content for an object to be tested and further have setting function for instructable water-co... | 09/23/2003 |
| 6604409 | Cigar moisture meter The cigar moisture meter comprises a probe engaged to an ohmmeter circuit, the probe being injected into the tip of a cigar to provide a reading of moisture content within the cigar by a measurement of resistance across the leads of the probe.... | 08/12/2003 |
| 6553813 | Moisture meter with impedance and relative humidity measurements A moisture meter (1) has a hand-held casing (2) with a digital microcontroller (50), LCD display (4), and a keypad (3). Spring-loaded contacts (6) contact material and allow capacitive impedance measurement via electrodes (5) and drive/pickup circuits (20... | 04/29/2003 |
| 6499338 | Moisture management of textiles Moisture management indexes are determined for a textile sandwiched between two plates. Electrical conductors arranged in concentric opposing pairs are used to measure changes in electrical resistance of the fabric. A quantity of water (or other chosen li... | 12/31/2002 |
| 6250139 | Process and device for measuring moisture in powders and grains as well as in the dry matter of liquids A method for measuring the moisture content in powders or other granular products or for measuring the dry matter of liquid products. The method includes the steps of placing the product on a scoop (8) and weighing it, then inserting the product on the sc... | 06/26/2001 |
| 6234008 | Method and apparatus for the direct measurement of moisture characteristics of porous samples of soil, wood, concrete and the like A soil specimen rests on a porous support. The support may be a porous ceramic plate or other body, for instance rated at 15 bar (1,500 kPa) or greater. The plate overlies a reservoir full of water that hydraulically contacts either an elastic membrane, t... | 05/22/2001 |
| 6176121 | Method of determining residual moisture content during secondary drying in a freeze-drying process A method for determining the residual moisture content during secondary drying in the dry product of a freeze-drying process is disclosed. In order to determine the residual moisture content without interruption of the drying process is suggested that the... | 01/23/2001 |
| 5969243 | Humidity sensor for capacitive measurement of humidity in bulk material The invention relates to a humidity sensor for capacitive measurement of the humidity contained in a material, predominantly a bulk product. For parallel operation of several humidity sensors, one individual humidity sensor has to fulfil particularly high... | 10/19/1999 |
| 5685192 | Apparatus for determining the moisture content of solids over a range of relative humidities and temperatures A method and apparatus for measuring isotherms comprising a two-pressure and/or two-temperature humidity generator having a temperature controlled internal chamber and a microbalance mounted externally such that the mass of a sample suspended within the c... | 11/11/1997 |
| 5568818 | Method and device for determining the density of a stream of fibrous material on a cigarette manufacturing machine To determine the density of a stream of fibrous material on a cigarette manufacturing machine, two different measurements are performed, the first of which is capacitive and supplies a first signal as a function of the density of the dry component and of ... | 10/29/1996 |
| 5550532 | Method and device for containing fuel spills and leaks A device and method for containing spills and leaks from fuel handling equipment is provided in which differential sensing means detect the presence of hydrocarbons and nonhydrocarbons such as water. Signals and the responses generated according to them m... | 08/27/1996 |
| 5492023 | Apparatus for automatically determining rate of plasticizer absorption of resin powder An apparatus for automatically determining the rate of plasticizer absorption of a powdery resin sample such as a vinyl chloride resin sample. The apparatus for automatically determining the rate of plasticizer absorption of a powdery resin sample is one ... | 02/20/1996 |
| 4911003 | Method and apparatus for measuring the print quality of print media receiving ink jet inks A method and apparatus for rapidly determining the print quality of a porous material which includes contacting a porous surface with a source of ink, and then providing a known relative acceleration between the ink source and the porous surface. In this ... | 03/27/1990 |
| 4817697 | Apparatus for grooving tires An apparatus for grooving a tire which comprises a tire support shaft for rotatably supporting the tire and a support frame having a cutter device mounted thereon. The cutter device and the tire support shaft are movable relative to each other in a transv... | 04/04/1989 |
| 4748400 | Method for controlling the amount of moisture associated with a web of moving material A moisture measurement and control system controlling the amount of moisture in paper being manufactured by papermaking machinery, for example, linerboard, utilizes a standard scanning moisture sensor to calibrate a nonscanning moisture sensor to thus pro... | 05/31/1988 |
| 4546645 | Measuring device for the moisture content of granular materials Capacitative device for measuring the moisture content of granular or powder materials, particularly materials in motion on a conveyor belt or in a pipe comprising a capacitative probe provided with at least two electrodes separated by an insulating zone ... | 10/15/1985 |
| 4271698 | Apparatus to measure plasticizer absorption in polymer powders The invention discloses an apparatus for measuring the diffusion of liquid into solids comprising (a) an upper portion having substantially sloped walls, the lower end of said sloped walls meeting to form an aperture, (b) solids retaining means positioned at s... | 06/09/1981 |
| 4176965 | Method and apparatus for weighing aggregates The weight of aggregate for preparing concrete and mortar is measured while the aggregate is immersed in water contained in a container. The water in the container is discharged and the water in the interstice in the aggregate is also removed. Thereafter ... | 12/04/1979 |
| 4062228 | Powder moisture meter A powder moisture meter, comprising an open-mouthed container comprising first and second transparent wall portions, said second wall portion being disposed between said first wall portion and the container mouth, first graduated scale means at said first... | 12/13/1977 |
