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| Number | Title | Issue Date |
| 7736521 | Viscosity control and filtration of well fluids Circulating completion, workover and drilling fluids used in hydrocarbon recovery are filtered after monitoring for viscosity, which frequently causes plugging of filters. A viscometer generates a signal representative of viscosity in the fluid; the signal is used b... | 06/15/2010 |
| 7736518 | Separating mixtures of oil and water A cavitation device is used to heat and facilitation the separation of mixtures and emulsions of oil and water. Waste heat from the power source for the cavitation device may be utilized to elevate the temperature of incoming mixtures or emulsions. The heated mixtur... | 06/15/2010 |
| 7568523 | Treatment of cesium-containing fluids Cesium solutions are treated in a cavitation device to increase their temperature and facilitate the removal of water from them. The context is normally an oil well fluid or a mining solution. The concentrated solutions can be reused, in the case of oil well fluids,... | 08/04/2009 |
| 7546874 | Conserving components of fluids A cavitation device is used to heat, concentrate and recycle or otherwise reuse dilute and other oil well fluids, brines and muds, and solution mining fluids, all of which commonly contain ingredients worthy of conservation. The cavitation device can be powered by a... | 06/16/2009 |
| 7448501 | Concentric C-shaped filter and screen topology A screen for separating solids and liquids is formed from parallel strips of wedge wire or similar material into a substantially cylindrical two-sided enclosure in a generally C-shaped profile. Unfiltered liquid containing solids contacts the screen surface on both ... | 11/11/2008 |
| 7318472 | In situ filter construction A permeable mass is constructed downhole in a well by placing thermoplastic particulates downhole and fusing them together by heating or solvating. ... | 01/15/2008 |
| 7311789 | Dual phase steel strip suitable for galvanizing Dual phase steel sheet is made using a time/temperature cycle including a soak at about AC1+45° F. to AC1+135° F. and a hold at 850-940F, where the steel has the composition in weight percent, carbon: 0.02-0.20; aluminum: 0.010-0.150; titaniu... | 12/25/2007 |
| 7291252 | Electrocoating chrome-plated steel Steel cabinet parts and other steel objects are electrocoated in a cationic resin-containing bath. The steel objects are chromium-coated, free of phosphate and preferably free of chromium oxide. The products are not significantly subject to filiform corrosion, and t... | 11/06/2007 |
| 7252605 | Articulated football goal including sacrificial crossbar An articulated athletic goal can be raised to a high position and/or a low position relative to the game position, for safety and security. The crossbar and uprights are supported on the end of a boom pivoted on a vertical column and powered by a hydraulic actuator,... | 08/07/2007 |
| 7231973 | Viscosity control and filtration of well fluids Circulating completion and workover fluids used in hydrocarbon recovery are filtered after monitoring for viscosity, which frequently causes plugging of filters. A viscometer generates a signal representative of viscosity in the fluid; the signal is used by a progra... | 06/19/2007 |
| 7201225 | Conserving components of fluids A cavitation device is used to heat, concentrate and recycle or otherwise reuse dilute and other oil well fluids, brines and muds, and solution mining fluids, all of which commonly contain ingredients worthy of conservation. The cavitation device is powered by a Die... | 04/10/2007 |
| 7073402 | Air sampler with parallel impactors An air sampler is designed for a predetermined flow rate. The air flow is admitted to at least two impactors operating in parallel. Preferably the inlet nozzles and the outlet orifices of each impactor are sized to achieve predetermined cut-off sizes of particles; p... | 07/11/2006 |
| 6945885 | Articulated football goal post An articulated football goal post can be raised to a high position and a low position relative to the game position, for safety and security, and to facilitate the attachment of television cameras and the like. The crossbar and uprights are supported on the end of a... | 09/20/2005 |
| 6905030 | Tilting platform checkweighing method A checkweighing station includes a weigh platform mounted on a load cell which in turn is mounted on a rotatable shaft so that the entire assembly can be rotated to tilt the platform in one direction for an acceptable weight of a weighed item and in another directio... | 06/14/2005 |
| 6811624 | Method for production of dual phase sheet steel Dual phase steel sheet is made using a time/temperature cycle including a soak at about 1340-1425F and a hold at 850-920F, where the steel has the composition in weight percent, carbon: 0.02-0.20; aluminum: 0.010-0.150; titanium: 0.01 max; silicon: 0.5 max; phosphor... | 11/02/2004 |
| 6770677 | Synergistic mixtures of Bis (Trichloromethyl) Sulfone and 1,2-dibromo-2,4-dicyanobutane Combinations of Bis (Trichloromethyl) Sulfone and 1,2-dibromo-2, 4-dicyanobutane are shown to have synergistic antimicrobial properties. Preferred compositions use the two components in ratios of 1:99 to 99:1 by weight. The synergistic combinations are used in paint... | 08/03/2004 |
| 6741056 | Air sampler with compensating pump motor speed A constant flow of air through a personal air sampler is provided regardless of changes in the air flow path, by altering the pump speed as a function of the power taken by the pump. The characteristics of the pump are precalibrated to provide a constant used togeth... | 05/25/2004 |
| 6716333 | Spinning rotor A hard, wear-resistant ceramic surface is applied to spinning rotor cups in an electrolytic bath on which is imposed a shaped-wave electric current. A special electrode has been designed to facilitate application of the coating to the unique shape of a spinning roto... | 04/06/2004 |
| 6666436 | Mixed-size packed beds An improved random-dumped packed bed for effecting inter-phase heat and mass transfer. The packed bed is a plurality of a first packing size substantially uniformly mixed and co-mingled with a plurality of the suitable second larger packing size. The mixe... | 12/23/2003 |
| 6651821 | Tilting platform checkweighing device A checkweighing station includes a weigh platform mounted on a load cell which in turn is mounted on a rotatable shaft so that the entire assembly can be rotated to tilt the platform in one direction for an acceptable weight of a weighed item and in anoth... | 11/25/2003 |
| 6631725 | Moisture-controlled flexible hair curler A flexible hair curler formed from a gel of crosslinked polyacrylamide including a humectant, and encased in a moisture-permeable flexible sheath, preferably of fabric.... | 10/14/2003 |
| 6607581 | Passive sampling badge A passive air sampler is designed to facilitate emptying granular or particulate adsorbent from it directly into a thermal desorption tube or other vessel for use in an analytical instrument. The preferred form has an adsorbent container in a conical or f... | 08/19/2003 |
| 6607850 | Hard steel articles Chain parts and other steel articles are provided with hard, wear-resistant carbide coatings by tumbling them in a heated retort with a particulate mix which includes a source of vanadium and/or niobium. The steel substrate comprises a steel having at lea... | 08/19/2003 |
| 6585879 | Aluminum electrolysis using solid cryolite/alumina crust as anode A solid cryolite/alumina mixture is used as the anode in an electrolytic aluminum winning process. The mixture may be used in the form of a crust formed on the electrolytic cell.... | 07/01/2003 |
| 6582765 | Carbide coated steel articles and method of making them Chain parts and other steel articles are provided with hard, wear-resistant carbide coatings by tumbling them in a heated retort with a particulate mix which includes a source of vanadium and/or niobium. The steel substrate comprises a steel having at lea... | 06/24/2003 |
| 6572687 | Gas dryer A gas dryer particularly useful for natural gas transmission lines has a sump vessel including a splash plate for intercepting incoming gas, a lower region for collecting water removed from the gas, at least one tower or other vessel for holding desiccant... | 06/03/2003 |
| 6569348 | Treating coal and other piled materials to inhibit freeze-binding Coal and other piles of particulates exposed to the weather are inhibited from freezing by treating them with potassium formate. A viscosifier is used to retain the solution in the interstices and voids between the particulates, inhibiting drainage and wa... | 05/27/2003 |
| 6568772 | Rotatable shelf Substantially planar bearings are used for the support and rotation of a rotatable shelf in the shape of a Reuleaux triangle, which rotates eccentrically. The bearings may be separate from the rotation guidance system or may be an integral part of it.... | 05/27/2003 |
| 6506233 | Desiccant tablets for gas drying Desiccant tablets including solid potassium formate are used to dry gas, especially in natural gas transmission lines. Preferred tablets comprise 1-4% potassium formate (most preferably 2-3%), up to 1% of a surfactant as a lubricant, and the balance desic... | 01/14/2003 |
| 6502637 | Treating shale and clay in hydrocarbon producing formations Clay is stabilized in the drilling of wells and other formation treatment for hydrocarbon production by the addition to the drilling or other fluid fluid of potassium formate together with a cationic formation control additive.... | 01/07/2003 |
| 6495063 | Treating coal and other piled materials to inhibit freeze binding Coal and other piles of particulates exposed to the weather are inhibited from freezing by treating them with potassium formate.... | 12/17/2002 |
| 6454005 | Treating shale and clay in hydrocarbon producing formations with combinations of guar and potassium formate Clay is stabilized in the drilling of wells for hydrocarbon production by the addition to the drilling fluid of potassium formate together with an amount of guar effective to inhibit clay and shale swelling and sloughing.... | 09/24/2002 |
| 6453576 | Control of solids deposition from used desiccant solution In a gas dryer for use in a gas transmission line in which a bed of desiccant tablets is suspended in the flow of gas, making an aqueous solution of the desiccant salts from the moisture taken from the gas, the solution is inhibited from generating solids... | 09/24/2002 |
| 6436227 | Method and composition for removing adhesive bandages Methods and compositions for loosening adhesive bandages on human skin include d-limonene and, preferably, alkyl benzoates.... | 08/20/2002 |
| 6368384 | Desiccant tablets for gas drying Desiccant tablets including solid potassium formate are used to dry gas, especially in natural gas transmission lines. The most preferred tablets comprise 5-15% potassium formate, up to 1% of a surfactant as a lubricant, and the balance desiccant salts, p... | 04/09/2002 |
| 6363769 | Method and apparatus for calibrating personal air samplers A method for calibrating a personal air sampler. A desired flow rate is set, the actual rate measured and recorded through a plurality of runs, the results are automatically averaged and compared to the desired flow and the pump is automatically adjusted ... | 04/02/2002 |
| 6331241 | Method of making chromium-plated steel Chromium electroplating of steel strip, to make tin-free steel, is conducted in an electrolytic bath containing predominantly HCrO4- ions rather than the conventional [HCr2 O7 ]- or Cr2 O | 12/18/2001 |
| 6290834 | Ceramic coated liquid transfer rolls and methods of making them Liquid transfer rolls such as printing rolls are made by imposing a hard ceramic coating on an incipient liquid transfer roll in an electrolytic bath subjected to a modified shaped wave alternating current, which causes dielectric breakdown and the format... | 09/18/2001 |
| 6276478 | Adherent robot A robot capable of moving against gravity uses at least one vacuum cup assembly having a port for applying a lubricant on the working surface so the cup may slide on the surface as the robot is maneuvered with the aid of powered wheels. The wheels and vac... | 08/21/2001 |
| 6255983 | Degasser guide Radar is used to measure not only the level of slag on molten steel but also its thickness; the measurement is used to calculate the volume of slag, and, in turn the amount of additives for slag treatment. Time-of-flight data are used to identify peaks re... | 07/03/2001 |
