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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 210/190 - WITH EXTERNAL SUPPLY MEANS FOR REGENERATING MEDIUM, E.G., WATER SOFTENING SYSTEM


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in which means is provided for the purpose of
No. of patents: 103
Last issue date: 06/15/2010


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NumberTitleIssue Date
7736500Bypass valve with blending feature
A bypass valve assembly for directing fluid flow having at least one inlet and at least one outlet for fluid flow, the bypass valve assembly being attachable to a fluid treatment system. The bypass valve assembly also includes at least one bypass valve in the bypass...
06/15/2010
7670485Water treatment assembly
A water treatment assembly includes a housing having a plurality of water treatment component interfaces. The water treatment assembly also includes a plurality of water treatment components selected from a group of a particulate filter component, a taste and odor f...
03/02/2010
7582205Brine mixing apparatus
An apparatus for use with a water softening system including an outer bucket, an inner container having a first end, and a plug, where the plug is received within the first end of the inner container for supporting the inner container and allowing brine to be retain...
09/01/2009
7404900Ammonium removal system including an electrophysical separation system
An ammonium removal system includes an ion-exchange medium, a brine source, and an electrophysical separation system. The ion-exchange medium may be used to remove ammonium from a waste stream. A brine may be flushed through the ion-exchange medium to remove the amm...
07/29/2008
7390413Water softener system and method
a water softening system includes a water softening resin tank, an anion resin tank in flow communication with the water softening resin tank, an in-line water heater in flow communication with the water softening resin tank and a heat exchanger in flow communicatio...
06/24/2008
7373949Fluid treatment system
A control valve for a water treatment system which includes a turbine (110) rotatably mounted within a water receiving chamber. A nozzle assembly (122) defines first and second fluid paths, one of the flow paths may include a fluid pressure response va...
05/20/2008
7341662Distribution and collection headers for a filter bed
A filtration vessel has an inlet for inflow into the filtration vessel of liquid media to be filtered, a body of filter media in the filtration vessel, and a drain to receive filtered liquid media for take off from the filtration vessel. The inlet is configured to i...
03/11/2008
7329338Conductivity sensor for an ion exchange water softener
A water treatment system includes a tank that contains a particle bed for removing minerals from water flowing through the tank. The regeneration of the particle bed is conducted in response to measuring its conductivity. A probe is provided for that measuring. That...
02/12/2008
7297264Apparatus and method of water treatment with preliminary screen
The present invention provides a water treatment system, such as a water softener, with a resin tank having a top distributor with a preliminary screen and second screen. The preliminary screen provides added protection by reducing the chance of larger particles fro...
11/20/2007
7294266Filter cartridge for a water tank of a coffee machine
The filter cartridge for the water tank of a coffee machine comprises a housing having on both sides a plurality of slot-shaped openings constituting two inlets. For softening the water, the housing of the filter cartridge contains a ion exchange resin. The bottom o...
11/13/2007
7285220Water softener
Disclosed is a water softener capable of producing soft water at various temperatures and facilitating the regeneration of an ion exchange resin thereof. The water softener includes a water softening tank in which an internal region containing therein the ion exchan...
10/23/2007
7243669Float-responsive valve with premature closure prevention
A float-responsive valve includes a valve actuator that is selectively responsive to operation of a float to move from a first position to a second position in which the valve actuator holds the valve element in its open position. When the valve actuator is in the s...
07/17/2007
7087162Accessible well for brine tank
A well (12) outside of a brine tank (10) is provided which provides better accessibility to the brine refill valve (112) or other components within the well. Also, apertures (42–48) of differing elevations above the bottom of the brine ...
08/08/2006
6972091Ion exchange resin plant
An ion exchange resin plant for the demineralizing or softening water with an arrangement that allows the plant to operate continuously. The plant tank is divided into to two separate compartments that work simultaneously. One compartment effects water demineralizat...
12/06/2005
6962657Water treatment system
A water treatment system for removing hard ions from source water. The water treatment system is of the type that includes a pair of ion-exchange water softener tanks connectable to a source of pressurized water and with a water system to supply softened water to th...
11/08/2005
6926835Water softening device
Sampling pipes 21 and 22 are inserted, separated from outlet openings, into first and second water softeners 4 and 11. Raw water flows through first water softener 4, and raw water does not flow through second water softener 11
08/09/2005
6863808Modular water softener system
A water softener system including a hard water flow pipe through which hard water flows, a modular water softener assembly, and a regeneration tank is provided. The modular water softener assembly includes an elongated tube having a first end, a second end, a length...
03/08/2005
6814872Controller and method for controlling regeneration of a water softener
Regeneration controller and method for controlling regeneration of a water softener are provided. The controller includes a water meter configured to output a signal indicative of the volume of influent water received by the water softener. A water-hardness indicato...
11/09/2004
6793817Lamp assembly for point-of-use water treatment system
The present invention is directed to a replaceable lamp assembly for a point-of-use water treatment system (WTS). The lamp assembly includes first and second ends with respective sealed inlet and outlet openings associated with the ends. One or more conduits extend ...
09/21/2004
6790362Efficiency mode for water softener
The present invention provides a controller for a water softener having an ion exchange resin capable of receiving hard water ions from hard water during a softening step and releasing the hard water ions during a regeneration step. The controller includes a process...
09/14/2004
6783684Water softening apparatus and associated method for sensing depletion of salt in a brine tank
A water softening apparatus (10) comprises a regeneration tank (12) and a brine tank (14). An ion exchange resin (26) is located within the regeneration tank (12) and salt (38) is located within the brine tank (14). W...
08/31/2004
6776901Quiet flow control washer for water softener or the like
A flow control includes a conduit and a flow control washer disposed in the conduit between the conduit's inlet and the outlet. A gas inlet passage opens into the conduit, preferably at a location just downstream of the flow control washer, to permit a gas (typicall...
08/17/2004
6749744Device for regenerating an ion exchange cartridge
The invention relates to a device for regenerating an ion exchange cartridge. In household appliances with an electric heating element for heating water, such as irons, coffee makers, and electric water kettles, deposition of scale is prevented by using an ion excha...
06/15/2004
6596159Automatic regeneration valve for water softener
A regeneration valve 131 is adapted for automatic activation of ion exchange resin in a water softener. The regeneration valve includes a switching valve 1, a control valve 32, a water injection valve 54, a cam mechanism (FIG. 13) and a timer mechanism wh...
07/22/2003
6589491Salt platform
A salt platform (500) is disclosed which incorporates a top member (502), a bottom member (504) and a plurality of vertical spacing members (506). The top member 502 is preferably formed as an integral molding. The bottom member (504) is preferably identi...
07/08/2003
6582595Compact water conditioning apparatus
The present invention relates generally to a water conditioning apparatus that is compact and easily recharged without removal from the installation location. In one embodiment, the present invention relates to a water conditioning apparatus that is gener...
06/24/2003
6527958Device for reducing water hardness (softener) having a resins exhaustion sensor, and washing machine having said device
A water softener for reducing water hardness, suitable for use in a household washing machine, in particular a dishwasher, has a container within which ionic exchange resins are housed, which reduce the degree of hardness of water contacting them, and app...
03/04/2003
6475071Cross flow slurry filtration apparatus and method
The present invention is directed toward an apparatus and method for the cross flow filtration of polishing slurry compositions used in semiconductor wafer planarization. In one aspect, an apparatus according to the invention includes an elongated cylindr...
11/05/2002
6458272Molded brine tank
A well (12) outside of a brine tank (10) is provided which provides better accessibility to the brine refill valve (112) or other components within the well. Also, apertures (42-48) of differing elevations above the bottom of the brine tank can communicat...
10/01/2002
6447678Regeneration of water treatment media
Regeneration of water treatment media is disclosed which includes a water treatment unit having one or more media therein, and which upon initiation of flow of the water, imparts turbulence and abrasion to the treatment medium to automatically cleanse the...
09/10/2002
6444127Water conditioning unit control valve
A highly versatile drive arrangement that drives a linearly reciprocating piston of a water conditioning unit control valve without imparting any significant side loads on the support structure for the piston's drive rod or the associated seals. The drive...
09/03/2002
6402944Water softener control valve with removable seal stack
A seal stack, configured for supporting, guiding, and sealing a piston of a water softener control valve or the like, can be preassembled prior to its insertion into the associated valve bore and compressed after it is inserted into the bore. This post-as...
06/11/2002
6354172Mechanical timer mechanism for valve control
A mechanical timer to control multiple steps of a process comprising a first cam having a shaft, and a second cam having a shaft, wherein the shaft on the first cam extends into the shaft of the second cam. The rotational relationship between the first an...
03/12/2002
6331255Accessible well for brine tank
A well (12) outside of a brine tank (10) is provided which provides better accessibility to the brine refill valve (112) or other components within the well. Also, apertures (42-48) of differing elevations above the bottom of the brine tank can communicat...
12/18/2001
6293298Water softener valve
A water softener valve for controlling water flow to and from a water softener is disclosed that includes a cylindrical shaft extending from said inner surface of a piston chamber that fits into a pressure relief port when the piston is in the service pos...
09/25/2001
6290845Water softener tank
A two-chambered water softener tank with a bi-directional valve for controlling the flow of water between the chamber for use with a water softener is disclosed. The tank includes an outer shell, an upper chamber located within the outer shell containing ...
09/18/2001
6238567Method of making brine for regeneration of a softening appliance
Described is a method for making brine to be used for regenerating water softening appliances. The brine is made in a reservoir having a float mechanism therein coupled to a seal that prevents the brine from dropping below a predetermined level in the res...
05/29/2001
6214214Water treatment system with purge valve responsive to fluid signals
A water treatment system including a pair of water treatment tanks, each tank defining a flow path extending from a tank inlet to a tank outlet and containing a water treatment material disposed along the flow path for treating water as it travels from th...
04/10/2001
6206042Modular control apparatus for water treatment system
A modular modular control apparatus for a water treatment system which periodically undergoes a regeneration cycle including a backwash phase and a replenishment phase. The modular control apparatus has a modular design which includes interchangeable time...
03/27/2001
6193882Pressurized brining system
A water softening system includes a resin tank which has an open drain during a regeneration cycle, and a pressurized brining system communicating with the resin tank. The brining system includes a closed brine reservoir with an outlet communicating with ...
02/27/2001
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