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Patent No. 5823572

Self Defense Weapon With Memo

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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Class 202/203 - Aeration


Subclass of Class 202 - Distillation: apparatus
Definition: Air or other gas is passed through the condensate for purification,
No. of patents: 19
Last issue date: 06/03/2008


NumberTitleIssue Date
7381310Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery
A sea water desalination installation that employs an evaporation-condensation system which operates continuously at a low temperature and which enables the recovery of energy released. The installation includes a cylindrical evaporator having a large evaporation su...
06/03/2008
6419796Solvent distillation apparatus
The object of the invention is to provide a solvent distillation apparatus capable of preparing a highly pure anoxic, dehydrated solvent. A distilling flask is connected to a vacuum double-barrel fractionating column by a glass flange. The upper end of th...
07/16/2002
6398917Apparatus for the purification of commercially available diphenyl-p-phenylenediamine (DPPD)
An apparatus for the purification of crude N,N'-diphenyl-p-phenylenediamine (DPPD) in which there is an extraction unit containing a liquid permeable container and an adsorption layer downstream of the container, a solvent evaporator downstream of the ads...
06/04/2002
5961787Solvent extraction apparatus
A solvent extraction apparatus which includes a heating plate, a vessel for containing a solvent, an extraction thimble to obtain a sample to be extracted from said vessel and a cooler for condensing evaporated solvent vapors. The cooler is connected to t...
10/05/1999
5720856Process and apparatus for the production, particularly domestic production, of beverages
A process and apparatus for the production of a beverage distills aqueous influent into a forerun overhead fraction that is the first result of a distillation operation, a distillate, and a bottom products fraction that is left over from the aqueous influ...
02/24/1998
5665208Method and apparatus for the quantitative enrichment of volatile compounds by capillary distillation
A quantitative enrichment of volatile compounds from substances of the macro- to submicro field in a short time is realized by capillary distillation in a system which includes an evaporator vessel, on the bottom of which one or more filter plates are pro...
09/09/1997
5490906Fluid distillation apparatus
Several embodiments of a fluid distillation system wherein each embodiment uses a primary container or chamber for water or fluid to be distilled and a secondary water container or chamber. The two chambers are adjacent to each other, and the secondary ch...
02/13/1996
5466344Method and apparatus for controlling water-based liquid waste
A pollution control apparatus (10) for controlling water-based liquid waste includes a vacuum distillation vessel (14) for separating water-based liquid waste into a distilled water component and a pumpable sludge component. A pH control system (12) allow...
11/14/1995
5290403Liquid evaporating apparatus
A liquid evaporating apparatus includes a liquid inlet 1 to which an evaporator 2 is connected which incorporates a gas inlet 28 and gas flow channels defined by vapor-permeable hydrophobic walls 23, 24, 25, 26. The apparatus may be used to moisturize air...
03/01/1994
5203970Method for water degasification and distillation
A method for water degasification and distillation in an apparatus having a container for a reservoir of water to be degasified and distilled, a relatively small boiler adjoining the container and having a feed water conduit connecting the container and b...
04/20/1993
5047124Apparatus for feeding gas into a saline solution
An apparatus for feeding gas into a heated saline solution for pressure measurement or to pump this solution. The gas is introduced into the solution through a gas bubbling-in pipe having a gas outlet opening. The gas is heated prior to being introduced i...
09/10/1991
4795532Aftertreatment method and apparatus for distilled water
A method and apparatus for treating the distilled water obtained from an evaporation process sea water desalination plant is provided wherein carbon dioxide is extracted from sea water in the high temperature stages of the desalination plant and where the...
01/03/1989
4595460Method and apparatus for water distillation with energy recovery
A liquid distillation apparatus provides recirculating flow of unevaporated liquid and recovery of energy from the liquid circulation. Liquid columns in communication with each other are provided differing liquid levels to enhance circulation of the liqui...
06/17/1986
4486270Apparatus for the removal of ammonium carbamate from a urea-synthesis solution
An improved process and apparatus for the removal of ammonium carbamate from an aqueous urea solution wherein the aqueous urea solution is introduced into a stripping zone and caused to flow down a heat exchange wall as a thin film while being heated and ...
12/04/1984
4222825Process and an installation for the treatment of water
A process and installation for the treatment of distillate water recovered by flash evaporation from impure water, such as sea water, in which gases desorbed during the flash evaporation, including carbon dioxide, are recovered and intermixed with the dis...
09/16/1980
4089749Apparatus for producing high-purity water
An apparatus for the continuous production of high-purity water includes a distillation flask, a carboy and a condenser unit, all of borosilicate glass. A respective filter is provided between the ambient atmosphere and the interiors of the flask, the car...
05/16/1978
3990951Method and apparatus for preheating distillate to be degassed
Distillate produced by the condensing stage of an evaporation installation is conducted to a reservoir to be preheated to its boiling point in preparation for a further degassing step. The required rise in temperature of the distillate in the reservoir is...
11/09/1976
3985626Arrangement for regulating the distillate height level in the degassing stage of an evaporation installation
An improved liquid level regulator is associated with the reservoir of a degassing stage of an evaporation installation wherein a pump connected to the output of such degassing stage is effective to propel the distillate at an ideally constant rate out of...
10/12/1976
3930959Combined water cooler & distiller
A combined water distiller and cooler having a boiler and a steam condenser incorporating an expansion chamber with an air inlet over a distilled water accumulating tank so that condensing steam and water condensate may mix with air to improve the potable...
01/06/1976
 
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