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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7332058 | Heat exchanger and process for devolatilizing polymers using same Disclosed is a process for devolatilizing a polymer including passing the polymer through a devolatizer including a plate heat exchanger wherein the plates of the plate heat exchanger are heated by a plurality of heating tubes and wherein the heating tube including ... | 02/19/2008 |
| 7162976 | Method for reducing bacterial contamination and infectious diseases in livestock and other animals An improved method is provided for treatment of feed water for livestock and other animals to reduce bacterial contamination while at the same time improving live performance. A gaseous mixture comprising ozone and oxygen gas is produced from ambient air and directl... | 01/16/2007 |
| 7105959 | Cooling jacket and motor unit with cooling jacket A cooling jacket for an electric motor and a motor unit with a cooling jacket mounted on an electric motor having simple structure and capable of being manufactured with reduced number of processes. A cooling pipe made of copper and the like is bent, and held by pla... | 09/12/2006 |
| 7003816 | Fence system for an above-the-ground swimming pool A fence system is provided for use in conjunction with an above-the-ground flexible wall swimming pool having a liner with an upper rim defining a closed area and a plurality of spaced supports each having a lower end in engagement with the ground and an upper end c... | 02/28/2006 |
| 6998026 | Method for producing tertiary C-C-alkyl esters of (meth)acrylic acid A tert-C4–C8-alkyl (meth)acrylate is prepared by reacting (meth)acrylic acid with an olefin of the formula where R1 and R2, which may be i... | 02/14/2006 |
| 6977037 | Apparatus for use in reclaiming coolant used in cutting machines An apparatus for reclaiming coolant used in cutting machines and for returning the reclaimed coolant to the coolant system of the cutting machine is provided. The apparatus includes a shallow receptacle for supporting a barrel that cuttings are deposited into during... | 12/20/2005 |
| 6969446 | Method for producing concentrated nitric acid and installation for carrying out a method of this type Process for producing a nitric acid of a concentration from 75 to 99.9% from a more diluted nitric acid, wherein a nitric acid of a concentration of about 45 to 70% is rectified in contact with a liquid extraction medium to prevent the formation of a nitric acid-wat... | 11/29/2005 |
| 6887344 | Compact wastewater cleaning apparatus A compact, self-contained apparatus for treating wastewater containing as impurities and pollutants various non-volatile (at water boiling points) fluids such as greases, oils and soaps, a vessel for collecting the wastewater, a heating chamber including electric he... | 05/03/2005 |
| 6878342 | Apparatus for determining temperance of and controlling the evaporation of liquid samples An apparatus for evaporating liquid samples contained in sample holders mounted within a chamber and by rotated by the rotor during an evaporation process in which the pressure in the chamber is reduced below atmospheric and the sample holders are rotated at high sp... | 04/12/2005 |
| 6699369 | Apparatus and method for thermal desalination based on pressurized formation and evaporation of droplets A method for removing dissolved solids, particularly salts, from water. An apparatus for performing the inventive method is disclosed. The aqueous solution to be treated, for example sea water, is atomized using special non-pneumatic nozzles, and sprayed ... | 03/02/2004 |
| 6485607 | Methods for removing volatile components from polymer solutions A method for removing volatile components from polymer solutions is disclosed. The method, yielding products having low content of residual volatile components and causing no thermal damage to the polymer, entails using apparatuses in which surfaces which... | 11/26/2002 |
| 6413361 | Heavy oil emulsified fuel evaporator system and operation method thereof A heavy oil emulsified fuel evaporator system is provided in which a heavy oil emulsified fuel, after being preheated at a preheater, flows into an evaporator to be heated and then to a separator for separation of its water content. The water content, aft... | 07/02/2002 |
| 6200428 | Wastewater treatment apparatus and method Wastewater treatment apparatus having a fluid receiving vessel for collecting and heating wastewater to a temperature below boiling, a superheated vaporizing chamber and at least one spray head to spray wastewater into the vaporizing chamber for conversio... | 03/13/2001 |
| 6197152 | Process and apparatus for recovery of lithium in a helminthoid evaporator A process and apparatus for continuously removing soluble minor constituents from brines containing soluble major and minor constituents by use of a Helminthoid evaporator.... | 03/06/2001 |
| 6132555 | Method and arrangement for increasing evaporation capacity of a multi-stage evaporator of spent liquor in a pulp mill A method and arrangement for increasing evaporation capacity in a multi-stage evaporation plant of spent liquor of a pulp mill. The method includes increasing the pressure of vapor discharged from an evaporation stage by a separate booster, and supplying ... | 10/17/2000 |
| 6027607 | Salt extraction process and device A process for extracting salt from brine contained in at least one open evaporation basin. At least part of the brine is heated in a heating unit located outside the evaporation basis and returned to the evaporation basin. The heating unit is driven by wa... | 02/22/2000 |
| 5772843 | Evaporator An evaporator includes a tank covered by a lightweight lid which is easily lifted to avoid high pressure in the event of an explosion. The bottom of the tank includes a flat portion which slopes downwardly toward an outlet in the sidewall of the tank. The... | 06/30/1998 |
| 5730836 | Evaporative concentration of clay slurries A method for concentrating a clay slurry by subjecting the slurry to indirect heat exchange within a heat exchanger to elevate the temperature of the slurry while specifically suppressing boiling of the liquid within the heat exchanger. The heated slurry ... | 03/24/1998 |
| 5639427 | Sulfuric acid preparation assembly An assembly for prepping sulfuric acid for spectrometric analysis comprised of a vessel member having sleeve members formed with channels disposed about an outer peripheral surface and a cap member including a disc shaped top portion and a lower body port... | 06/17/1997 |
| 5624530 | Spray drying system Spray drying system for drying a liquid feed which is made up of a solution or suspension of particles in a fluid medium. The system enables the spray drying of wet material and converting the material into powder by evaporation of a liquid medium at redu... | 04/29/1997 |
| 5582690 | Method of and means for water desalinization Desalination of sea water is achieved using a solar pond that includes a halocline interposed between a convective upper wind mixed layer exposed to the ambient atmosphere, and a lower heat storage layer of hot, concentrated brine, Hot brine from the heat... | 12/10/1996 |
| 5582680 | Wastewater treating apparatus A compact, transportable and self-contained apparatus for treating wastewater containing as impurities and pollutants various non-volatile (at water boiling points) fluids such as greases, oils and soaps, having a vessel/evaporator for receiving the waste... | 12/10/1996 |
| 5306397 | Process and apparatus for the extraction of fresh water from warm seawater The apparatus is located almost completely under the surface of the sea. The vacua in the de-aeration and the evaporation chambers are generated by a vacuum pump and are maintained by the effects of a pressure reduction device at the inlet for warm seawat... | 04/26/1994 |
| 5200033 | Method for removing organic contaminants from soils A method and device for removing organic compounds from soil, solids, sludges and other types of contaminated materials utilizing a non-rotating contactor which can be tightly sealed from air infiltration. Binders such as cement, lime, flyash or kiln dust... | 04/06/1993 |
| 5084134 | Process for the devolatilization of polymer solutions A process for the devolatilization of polymer solutions including: (a) feeding the solution to a zone of indirect thermal exchange in which the ratio between the surface of thermal exchange and the flow per hour of the solution is over 80 m2 /m... | 01/28/1992 |
| 4981555 | Process and apparatus for concentrating a solution The solutions are concentrated by multiple-effect evaporation in indirectly heated evaporators. The highest concentration of the solution is reached in a final evaporator stage, which is heated with live steam. The final evaporators stage includes two to ... | 01/01/1991 |
| 4963231 | Method for evaporation of liquids Process for the evaporative concentration of liquids. Vaporization is carried out by indirect heat exchange with a heating fluid in an evaporator. The vapor produced in the evaporator is thereafter condensed in a condenser by indirect heat exchange with a... | 10/16/1990 |
| 4953538 | Piggy back evaporating for maple syrup evaporator apparatus or the like A piggy back evaporator includes a drip pan having an oblique condensate drain sheet extending over the major length of the same. A steam hole within the condensate drain sheet allows steam to reach the lower surface of a bottom wall of a piggy back pan. ... | 09/04/1990 |
| 4931222 | Process for treating radioactive liquid waste containing sodium borate and solidified radioactive waste The present invention provides drying and pulverization of a radioactive liquid waste containing sodium borate as a main component by heating, where the liquid waste is heated, dried and pulverized to substantially crystalline, homogeneous powder of sodiu... | 06/05/1990 |
| 4894123 | High efficiency water distiller A highly efficient distillation unit is provided for heating water and condensing the generated steam to remove the contaminants from the water. Efficiency is enhanced by providing a compact air cooled fin-and-tube heat exchanger which removes heat from t... | 01/16/1990 |
| 4840678 | Pipe coil cooker A sugar-cooking apparatus of the type having a standing pipe coil surrounded by a heating jacket. The coiled pipe is of flattened cross-section for improved heat transfer. During use, a mixture of sugar, water and additives is passed through the coiled pi... | 06/20/1989 |
| 4834836 | Method and apparatus for pollution control of liquid wastes An apparatus for pollution control in treating the effluent employs an evaporation stage where the effluent solutions are heated to 150° Fahrenheit. The resulting steam and vapors are then oxidized by photoysis and photolytic catayzed ozone before the st... | 05/30/1989 |
| 4826575 | Apparatus for production of high-purity water by microwave technology A laboratory apparatus for continuously producing high purity distilled water includes a distillation flask, a carboy and condenser unit. A double walled microwave oven with a spacing between the walls, large enough to accommodate piping and valving means... | 05/02/1989 |
| 4819615 | Piggy back evaporator for maple syrup evaporator apparatus or the like A piggy back evaporator is sealably coupled in open box form overlying a sugar maple sap evaporator and aligned with an upright flue pan of the conventional sugar maple sap evaporator which, when fired, boils off vaporizable constituents of the sap. The p... | 04/11/1989 |
| 4789428 | Method for evaporation of spent liquor The invention relates to a method for evaporation of spent liquor by heat from a blow condenser where blow steam from a pulp cooker is condensed in a direct condenser connected with a hot water accumulator. Spent liquor heated indirectly by hot water from... | 12/06/1988 |
| 4738295 | Method and apparatus for evaporating a fluid in a rotating vacuum evaporation system A method and apparatus of controlling a rotating vacuum evaporation system is disclosed. The rotating flask, containing the medium to be evaporated, is buoyantly supported in a liquid bath and the relative elevation between the flask and the liquid level ... | 04/19/1988 |
| 4724048 | Water distiller A water distiller apparatus for purifying and degassing domestic water supplies is provided which is constructed for easy cleaning of all parts and in which inflowing water is preheated by condensing steam within a condenser which preheating allows dissol... | 02/09/1988 |
| 4627890 | Centrifugal device In a centrifugal mass transfer device comprising a rotary annular permeable element, annular plates are mounted adjacent the radially inner or outer face of the permeable element and gaseous or liquid material flowing from the permeable element across one... | 12/09/1986 |
| 4585520 | Method and apparatus for closing the vent of an evaporator A method and apparatus to prevent water hammer and condensation shock in evaporators by closing a vent line when the condensate level rises in an evaporator, thus causing steam flow to the evaporator to stop. The apparatus prevents continuing entry of ste... | 04/29/1986 |
| 4444680 | Process and apparatus for the volume reduction of PWR liquid wastes An apparatus for the volume reduction of radioactive liquid waste solutions such as evaporator waste bottoms containing boric acid or sodium sulfate and trace quantities of radioactivity through a vacuum evaporative cooling crystallization process or an e... | 04/24/1984 |
