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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 210/233 - Piercing or closure knock out means


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus for piercing a container, or for knocking out
No. of patents: 44
Last issue date: 12/07/2010


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NumberTitleIssue Date
7846330Oil filter drain tool
The invention is a handheld device for puncturing oil filters and thus allowing more retained oil to drain from used filters. An oil filter has several internal chambers filled with oil which do not drain by gravity from the filter unless the sidewall of the filter ...
12/07/2010
7338599Filtration systems and fitting arrangements for filtration systems
A filtration system comprising a manifold and a filter having fittings, wherein a carriage supporting the filter is operatively associated with a mounting mechanism to move the fitter between a position in which the filter is spaced from the manifold and a position ...
03/04/2008
7322969Liquid-medicine injection port device, and liquid-medicine container provided with the same
A liquid-medicine injection port device includes: a liquid-medicine inlet which is formed at its upper end; a liquid-medicine outlet which is formed at its lower end which is connectable to a liquid-medicine container; a liquid passageway which connects the liquid-m...
01/29/2008
7306723Method and apparatus for water purification
The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter includin...
12/11/2007
7287575Component for supporting a filter member, a device including a tubular filter member and said component, a plate heat exchanger including a tubular filter member and said component
The invention relates to a component (20) for supporting a tubular filter member (15) in a portable channel (2) in a plate heat exchanger (1). The invention also relates to a device including the component (20) and the filter membe...
10/30/2007
7232035Liquid filter with directional fluid insert
A filter assembly for removing particulate contaminants from a fluid, comprises a annular filter element having first and second ends, a filter housing containing the filter element and having first and second ends and a substantially cylindrical side wall defining ...
06/19/2007
7182857Pressure limiting and/or flow regulating valve for use with POU/POE filter system
An apparatus comprising a pressure limiting valve for preventing transmission of elevated pressure to components downstream of the apparatus. Preferably, the pressure limiting valve is used in combination with a flow regulating device that maintains a substantially ...
02/27/2007
7147773Refrigerator with treated water
A refrigerator with a water treatment system including a head connecting a water supply to a water-using accessory. An end piece is provided for connecting a treatment cartridge to the head. The end piece comprises an inlet fitting having a cam that contacts a follo...
12/12/2006
7138061Flash chromatography cartridge
A low pressure liquid chromatographic cartridge is provided having a tubular polymer container adapted to receive a chromatographic packing material. The container has an outlet port located at a downstream end of the container and container threads formed on an ups...
11/21/2006
7138054Cartridge filter system
A fluid filter system including a cartridge filter housed in a tank having a standpipe extending from a bottom surface of the tank. The cartridge filter is positioned in the tank with the standpipe extending into an outlet tube in the filter. Fluids flow into the ta...
11/21/2006
7125489HPLC column design and method of making same
The disclosed HPLC column is formed with overlying concentric inner and outer tubes. The flow path is established via the inner tube bore that holds packed absorbent, end filters and capping sealing members, and end coupling members cooperate with the inner tube at ...
10/24/2006
7108139Plastic extruded center tube profile and method of manufacture
A filter for a fluid system includes a housing having an interior cavity. A filter media is disposed in the housing and defines a central opening. A center tube is arranged within the central opening and includes a plurality of helical fins extending radially outwar...
09/19/2006
7051906Package for a pharmaceutical product and method of sterilizing the package
The invention provides a pharmaceutical package including a polypropylene bottle in which is disposed a solution containing a pharmaceutical product, where the solution does not fill the bottle completely and some air is disposed in the bottle, and where the package...
05/30/2006
7040142Method and apparatus for leak detection in blood circuits combining external fluid detection and air infiltration detection
One of the most significant safety concerns in the automation of extracorporeal blood treatments such as dialysis is the risk of blood leakage. Extracorporeal blood treatment systems draw blood at such a high rate that a loss of integrity in the blood circuit can be...
05/09/2006
7014759Method and apparatus for water purification
The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter includin...
03/21/2006
7001774Sample collection and processing device
A volume-adjusting insert for sample vessels comprises an elongated body with a septum seal on one end and a seal surface on the outside of the body. A through-chamber in the body provides a receiving chamber for a hypodermic needle inserted into the septum. The sea...
02/21/2006
6962660Fluid filter system with secondary flow path for augmented filtration
A filter system for spas and swimming pools is disclosed having a primary filter containing a porous membrane made of multiple plies. A fluid purifying medium in the form of irregularly shaped copper and zinc alloy particles is captured between the plies and placed ...
11/08/2005
6918500Plug body for medical fluid container
A plug body for chemical container capable of preventing the contact thereof with chemical and preventing ruptured film from falling into the chemical, comprising a valve (1) having an insert hole (3) formed at the center thereof, a cover (2) fo...
07/19/2005
6852290Multi-well apparatus
A multi-well assembly according to one embodiment comprises a multi-well block and a guide plate. The multi-well block defines a plurality of wells, with each well having a fluid-impermeable bottom surface. The guide plate defines a plurality of fluid passageways co...
02/08/2005
6740234Key track system
A key track system for a filter base module comprises a ring-shaped fixture including a series of perforations, each perforation at least partially defining a parting line along which a tab may be selectively removed. The key track fixture is incorporated into the f...
05/25/2004
6616838No-spill oil filter
The present invention relates to a replaceable oil filter and method of using a replaceable oil filter that allows the oil filter to be disengaged from an engine without the spillage of residual used oil. The present invention relates to a replaceable oil...
09/09/2003
6599420Filter bag
A filter bag (1) comprises a first thin plastic film (22); a second thin plastic film (21) having substantially the same size with the first plastic film and sealed to the first plastic film at a first side-peripheral edge (2a), a second side-peripheral e...
07/29/2003
6582665Universal collection and transfer system
A universal collection and transfer system which includes a collection container, a second container, and a transfer device mateable with both the collection container and the second container and including a hollow shaft which pierces the collection cont...
06/24/2003
6022480Methods and devices for treating water
The present invention comprises devices and methods for treating a standing water system comprising devices for the administration to the standing water system an admixture comprising calcium hypochlorite and borate salts and acids through a perforated di...
02/08/2000
5985144Reverse flow cartridge
An improved fuel filter cartridge comprises a housing which defines an opening, a filter element enclosed within the housing, and a flow-reversing insert disposed within the housing between the opening and the filter element. The improved filter cartridge...
11/16/1999
5932095Multi-chambered supercritical fluid extraction cartridge
A multiple chamber sample holding cartridge is used with a supercritical fluid extractor that causes membranes dividing the cartridge into chambers to rupture upon the pressurization of the sample cartridge, thereby allowing the intermixing of materials c...
08/03/1999
5840189Beverage filter cartridge
A beverage filter cartridge includes an impermeable yieldably pierceable base having a predetermined shape and an access opening at one end. A self-supporting wettable filter element is disposed in the base and is permanently sealed to an interior surface...
11/24/1998
5792373Backwash filter system
A backwash filter system includes a filter array comprising a plurality of filter units each having a housing, a filter element unit and a process liquid inlet port and a filtered liquid outlet port connected respectively with process liquid inlet and fil...
08/11/1998
5753116Coolant filter
A coolant filter assembly for attachment to a coolant circulation system of a motor or to a motor housing is provided. The filter assembly includes a housing that accommodates a cylindrical filter cartridge. The housing is sealably connected to the coolan...
05/19/1998
5705066Apparatus for opening a vessel
An apparatus is described for automatically opening and dispensing the contents of a vessel, for example, a vessel containing dialysate chemicals for dispersion into a dialysate preparation tank. The apparatus comprises a housing having an open interior r...
01/06/1998
5667699Method and device for removing waste oil from oil filters
A method and device for removing waste oil from a cartridge-type oil filter with the filter including a plurality of openings formed therein in a predetermined pattern and an oil retention gasket disposed within the filter. The device includes an elongate...
09/16/1997
5626752Device for separating biologic-organic flow media with filter elements in the form of membrane cushions
A device for filtering and separating a flow medium by reverse osmosis, micro filtration, ultra filtration, or nano filtration has a pressure-tight housing having an inlet for the flow medium and a first outlet for the retentate and a second outlet for th...
05/06/1997
5567309Self-filtration cap
An improved filtration device capable of filtering and storing liquid which can then be removed from the device for analysis. A top cap is placed over a filter cap such that a seal is created between these two caps. The filter cap has an opening on its bo...
10/22/1996
5545320Device for filtering and separating flow media with filter elements that are in the form of membrane cushions
A device for filtering and separating a flow medium by reverse osmosis, microfiltration, ultrafiltration or nanofiltration has a pressure-tight housing with an inlet for the flow medium and a first outlet for the retentate and a second outlet for the perm...
08/13/1996
5460719Modular flat filter assembly and method of making same
A flat filter assembly may be installed in relatively narrow spaces which would otherwise be wasted such as the space beside a kitchen cabinet and the basin of a kitchen sink, inside a freezer door or on a countertop. The filter assembly includes a housin...
10/24/1995
5409603Additional trough for an aquarium filter container
An additional trough for an aquarium filter container comprising a rectangular body having an open top and consisting of a bottom panel, two long-side panels and two short-side panels, said bottom panel being formed with a plurality of equidistant longitu...
04/25/1995
5194150Three chamber vessel for hydrocyclone separator
The invention provides a highly space efficient solution to designing hydrocyclone vessels and the liners that are used therein. Moreover, the invention reduces the maintenance requirements for the vessels by providing the liners as units which are preass...
03/16/1993
5180504Systems and methods for removing undesired matter from blood cells
Systems and methods for collecting blood substantially free of undesired matter assure that accurate crossmatching and typing of cellular blood components can be done prior to transfusion, even though the cellular components are collected and stored in di...
01/19/1993
4997577Systems and methods for removing undesired matter from blood cells
Systems and methods of collecting blood cells, substantially free of undesired matter, use a first container, that forms a part of a blood collection system, to initially collect a quantity of blood cells. A filtration system is then attached to the first...
03/05/1991
4994181Fryer oil filtering system with clamping frame and thrust applying means
Filtering system which periodically filters cooking oil used in deep fat frying employs a flat, single sheet of filtering material pressed at its outer peripheral edge areas in sealing relationship against the bottom of a vessel having a sump area below t...
02/19/1991
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