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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 210/428 - Combining or dividing flow passages with filter in combined passage


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in which there are at least two inflow passages
No. of patents: 53
Last issue date: 09/30/2008


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NumberTitleIssue Date
7429324Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus
A method for in-line preparation of liquid for an extracorporeal blood treatment apparatus that makes provision for placing a filter in correspondence with each of two successive filtration stations, for carrying out a liquid preparation cycle, for removing the filt...
09/30/2008
7338606Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system
An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure...
03/04/2008
7314509Gas liquid phase separator with improved pressure control
A gas/liquid phase separator includes a fluid inlet, a vapor outlet, a liquid outlet, and first and second valves disposed in fluid communication with the liquid outlet. Both valves are controllable in response to a fluid level in the gas/liquid phase separator. Bot...
01/01/2008
7303672Liquid/solid separator and method
A liquid/solid separator system mounted on a mobile cart and connected to a process tank for reducing the rate at which fluids are consumed in manufacturing processes. The system may include automation and also may include a shear-stepped screen including tilted wir...
12/04/2007
7264716Membrane filtration manifold system
A membrane filtration manifold for connecting a filter submodule including one or more elongate bundles of semipermeable polymeric fibers is provided. The manifold includes a housing and connecting collar connected with said housing. The collar is adapted to receive...
09/04/2007
7172689Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system
An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure...
02/06/2007
7135106Portable water purifier
There is disclosed a device adapted to provide water purified to human consumption level, and arranged for connection to a water supply. The device comprises a water purifier, a container for purified water and connections between the water purifier and the purified...
11/14/2006
7122149Apparatus and method for continuous depyrogenation and production of sterile water for injection
A fluid processor, suitable for the production of sterile water for injection, having a processor assembly and a process control system comprising a pump, a flow splitter, flow restrictors and a pressure relief valve. In a preferred embodiment, the processor assembl...
10/17/2006
7063783Strainer
A conduit has a first end and interior and exterior surfaces extending downstream from the first end. A strainer has a first end and a second end. An upstream portion of the strainer is positioned engaging a projection on the interior surface of the conduit to resis...
06/20/2006
7060184Quick-drain valve member for use with filter apparatus
A filter apparatus comprises a filter element to be positioned in an interior region defined by a housing. The filter element comprises a quick-drain valve member to block a flow of fluid from the interior region through a quick-drain outlet defined by the housing w...
06/13/2006
7037411Apparatus and method for handling easily polymerizable substance, apparatus for extracting liquid from apparatus under reduced pressure, and process for producing easily polymerizable substance
In an apparatus capable of distilling and refining an easily polymerizable substance, piping is performed so that when a strainer in action is switched to a backup strainer, the strainer can be switched after removing air in the backup strainer to replace air in the...
05/02/2006
6936169Liquid filter, especially an oil filter
The invention relates to a liquid filter, especially an oil filter, for cleaning lubricating oil, especially for internal combustion engines of automobiles, comprising an upright filter housing which contains a receiving area for a ring-shaped filter insert that is ...
08/30/2005
6926821Water treatment device with volumetric and time monitoring features
A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the...
08/09/2005
6913693In-tank type fuel pump system
To provide an in-tank type fuel pump system capable of sharing a fuel filter among various mounting types of a fuel pump to a fuel tank. A fuel pump and a fuel filter are contained in a fuel tank. A discharge port of the fuel pump is connected to the fuel filter. A ...
07/05/2005
6893555Dual flow filter
A dual flow filter unit for the filtration of a pressurized liquid such as oil, comprising a closed housing (10) having an inlet (31), and main and secondary outlets (32, 13) for that liquid. The unit further comprises a main filter element (...
05/17/2005
6833066Liquid filter, especially oil filter
The invention relates to a liquid filter, for example an oil filter for cleaning lubricating oil, especially for use in internal combustion engines of motor vehicles. A ring-shaped filter insert separates an unclean side from a clean side in the interior of the liqu...
12/21/2004
6811694Liquid filter
A liquid filter for removing contaminants from liquids such as lubricating oil, water or fuel, comprising a filter housing (10), a filter element (15), a support body (16) and a slide valve (17), which, when closed, prevents liquid from f...
11/02/2004
6790356Oil filter assembly
An oil filter assembly comprising: an oil filter housing defining an oil filter chamber adapted to receive an oil filter element, the oil filter housing also defining a port; and a valve assembly received within the port, the valve assembly having a closed position ...
09/14/2004
6709588Filter for internal combustion engine fuels
A filter for filtering liquids, especially fuel, which includes a concentric housing, an unfiltered liquid inlet, and filtered fluid outlet, and a backflow member. A concentric filter element, with a dirt collecting chamber in the lowermost part thereof, is disposed...
03/23/2004
6706181Liquid filter, especially an oil filter
The invention relates to a liquid filter, especially an oil filter, for cleaning lubricating oil, especially for internal combustion engines of automobiles, comprising an upright filter housing which contains a receiving area for a ring-shaped filter insert that is ...
03/16/2004
6572768Oil filter apparatus
An oil filter apparatus comprises a housing formed to include an interior region and an aperture, a drainage valve positioned in the interior region for movement relative to the housing between an opened position allowing oil to drain out of the interior ...
06/03/2003
6527947Fuel control device
A fuel control device 220 includes a restriction 294 and a check valve 292 disposed between a fuel return conduit 236 and a fuel injection supply conduit 227. In operation, fuel from tank 202 flows into the control device via conduit 208 is filtered throu...
03/04/2003
6517710Structural assembly with an oil filter for an internal combustion engine
An assembly for an internal combustion engine comprising an oil filter in a first housing structure 11 and, for instance, an oil separator in a second housing structure 12. The two housing structures can be combined to form a modular assembly. The assembl...
02/11/2003
6368503Filtered fluid dispensing system
The present invention provides a filtered fluid dispensing system. The invention may replace the sprayer provided with the faucet assembly of a conventional sink and may, in certain embodiments, be adapted to selectively dispense filtered and unfiltered f...
04/09/2002
6235210Combination continuous and batch filter for a recirculating fryer
The present invention provides a combination continuous and batch filtration system for a recirculating fryer where the continuous filter and batch filter assemblies are integrated into a single unit, utilizing a common pump. This unit is substantially co...
05/22/2001
6231770Multiple element filter and method of using therefor
A biological fluid filter assembly (100) including a plurality of porous media (6a, 6b) and essentially lacking a solid partition between the media is disclosed. Preferably, the assembly has a space (12) between the media (6a, 6b). The filter assembly is ...
05/15/2001
6217755In-tank fluid filter with valve assembly
The filter head and filter housing define a liquid flow inlet path, a first liquid flow outlet path, and a second liquid flow outlet path. A filter media construction is positioned within the housing. The filter media construction, in combination with the...
04/17/2001
6156194Magnetic filtration system for minimizing radioactive waste during abrasive waterjet cutting
A magnetic filtration system for separating radioactive cut material from a fluid stream containing a mixture of the radioactive cut material and an abrasive cutting material. The system comprises a magnetic filter in fluid communication with the fluid st...
12/05/2000
6156192Waste treatment system
A materials treatment system which initially separates liquid and solid components with a separator. The system can be advantageously utilized for household sewage handling, however various components have other applications. Once the separator separates ...
12/05/2000
6136183Relief valve for filter device
A relief valve for an oil filter device integrally formed with a check valve has an annular shape, and has a front end portion, a guiding portion, a sealing portion, a recess portion, and a groove portion. The relief valve is attached to a protector only ...
10/24/2000
6090283Filter drain with spring enclosure
A fluid filter for liquid media with a removable filter insert and a drain opening having a spring-loaded closure element associated therewith. The closure element is held by the filter insert in a closing position that seals the drain opening, and separa...
07/18/2000
6083381Fuel filter with sediment drain valve and level indicator
A filter arrangement for filtering fluid comprises a housing and a valve arrangement. The housing includes an inlet, an outlet, and a draining aperture. The valve arrangement is constructed and arranged to move between a closed position and an open positi...
07/04/2000
6063269Filtration apparatus for a hydraulic system
Apparatus for improving the efficiency of filtering fluid of a hydraulic system, including a venturi adapted for connection to a first fluid carrying conduit of the hydraulic system for receiving a flow of the fluid therefrom, the venturi having a restric...
05/16/2000
5928511Oil filter with housing drain channel
An oil filter including a filter housing, a cover and a filter element arranged within the filter housing and provided with an outlet channel which is closed by a seal when the cover is in a closed position and which allows oil situated in the filter hous...
07/27/1999
5830348Fuel filter module with integral regulator
The fuel filter/regulator assembly comprises a cylindrical body open at one end and closed at its opposite end by an annular wall having a pocket for receiving the regulator. The annular fuel filter is received in the body and has an inner end cap configu...
11/03/1998
5824215Water purifier
A water purifier includes a support body having a wide bottom portion for supporting the purifier, and a vertical wall panel having front and rear sides. Filter members for purifying water are mounted on the body at the front side thereof, and a pump, cir...
10/20/1998
5814215Oil filter including an integral filter support and housing drain valve assembly
A lubricating oil filter for internal combustion engines is disclosed herein. The oil filter includes a vertical housing closed at the top by a screw cover and includes a filter support rotatably mounted on the screw cover for removably supporting an annu...
09/29/1998
5795475Coupler/diverter for counter-top RO filter
Coupler/diverter has housing with an aerator at the bottom and an inner barrel having rotary valving stem serving to distribute supply water, brine and overflow from RO filter. Depending on the setting, the stem permits flow through the housing to issue i...
08/18/1998
5698098Oil filter housing including a valved drain opening
A filter for cleaning lubricating oil of an internal combustion engine has a filter housing with an access opening on an upper side to insert and remove filter elements. A cover is arranged to close the access opening. The housing has an inlet opening for...
12/16/1997
5622626Multiple compartment filter and method for processing parenteral fluid
Methods and devices are disclosed for passing a first parenteral fluid through a first fluid flow path through a fluid treatment arrangement, passing a second parenteral fluid through a separate and isolated second fluid flow path through the fluid treatm...
04/22/1997
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