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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 |
| 6810905 | Propane overflow protection valve An overflow protection device includes a valve body having an inlet conduit passing vertically therethrough. The inlet conduit includes an outlet end below a valve chamber. A valve within the valve chamber is movable between and open and closed position. A float is ... | 11/02/2004 |
| 6543471 | Water heater fail safe apparatus An apparatus for automatically shutting off a water supply to a leaking water heater includes a water-collecting tray adapted to be positioned beneath a water heater, and a float mechanism removably attachable to the tray. The float mechanism has a float ... | 04/08/2003 |
| 6450196 | Float valve A liquid level responsive shut-off valve for filling a tank, such as a toilet water tank, comprises a valve housing having an inlet passageway for connection to a source of liquid under pressure, an outlet passageway opening into the tank, and a diaphragm... | 09/17/2002 |
| 6336469 | Domestic hot water service inlet shut off valve triggered by fluid level in overflow tray A mechanism for opening or closing a shut-off valve, the mechanism having a valve actuator for moving the valve from a first position to a second position, an urging means, a trigger which, when activated, triggers operation of the valve actuator, the tri... | 01/08/2002 |
| 6314989 | Device for draining of oil in a component of a vehicle The device for complete draining of the oil in a component of a motor vehicle such as hydraulic steering, transmission with converter or automatic transmission which has within the component, an oil drain valve for at least one oil chamber in the componen... | 11/13/2001 |
| 6109295 | High reliability and efficiency valve with large flow capacity This invention relates to an improved valve which achieves high reliability through a simplicity of design, a minimum number of parts, a unique valve seat with a two stage sealing action, and at the same time provides a large flow when in the open positio... | 08/29/2000 |
| 6029629 | Constant fuel-pump-inlet pressure system A fuel filter assembly 16 for a fuel system for an internal combustion engine 10 which comprises a fuel filter housing 16 supporting a filter material 20 in a filter chamber 18 for disposition in a fuel line between a fuel tank 12 and an injector pump 14,... | 02/29/2000 |
| 6015267 | Liquid forced-feed apparatus having a working fluid dispersing device A cylindrical perforated member is mounted between a working fluid inlet port and a hermetic vessel that a working fluid supplied into the hermetic vessel at the working fluid inlet port will not directly contact the forced-feed liquid surface. At the wor... | 01/18/2000 |
| 5937574 | Apparatus and method for supplying liquid to a tree stand A system for providing a liquid to a plant or tree stand comprising a liquid reservoir connected via tubing to a liquid control assembly having a liquid level control section positioned on the lower end of an adjustable vertical section with straps for at... | 08/17/1999 |
| 5887609 | Container having fluid-weight control device A device, and a container having such a device, is provided for permitting filling the container with a predetermined weight of the fluid. The device and container include a main channel to introduce the fluid into the container at a fill pressure; a dete... | 03/30/1999 |
| 5878775 | Toilet valve assembly A toilet having a water inlet valve apparatus has a flush tank with a water inlet tube connecting from a water source into the flush tank. A water cutoff is attached to the water inlet tube and has a valve seat in a floating valve element positioned in th... | 03/09/1999 |
| 5797426 | Check valve and trap assembly A combination check valve and fluid trap device for connection to the outflow aperture of a condensate moisture drain system on an air conditioner, ice maker, cooler or like apparatus, the device comprising a ball float sealingly seated on a float seat wi... | 08/25/1998 |
| 5662138 | Drop head structure The present invention relates to a water drop structure which not only functions as a water drop but also prevents pests from intruding indoors, smell from leaking indoors, and sewage back flow when the robe is clogged. It has a main body, main drum, cont... | 09/02/1997 |
| 5655232 | Fluid level control device and method A water level control device has connected tubular housings, one serving as a support for a hose connection and the other serving to house a float assembly for operation of a ball valve within the valve housing. An airtight float serves to raise the one e... | 08/12/1997 |
| 5645105 | Tank-filling shut-off valve A valve mechanism for supplying liquid to a container until the surface of the liquid reaches a predetermined level includes a valve body disposable in the container and defining a cavity, an inlet port for communication with a liquid source and an cutlet... | 07/08/1997 |
| 5150732 | Boosted differential pressure-type tank valve A tank valve for maintaining a water lever storage level in a tank. The tank valve includes differential pressure valve workings under control of a pivot member. A float enables the valve to open when resting on the pivot member and opens the valve when i... | 09/29/1992 |
| 5067517 | Quantitative liquid level controlling device A quantitative liquid level controlling device, comprising a housing having a socket at the top for attaching to a water supply pipe, and a control rod with a gravity pendant suspending therefrom through a cord for adjusting the desired water level. The g... | 11/26/1991 |
| 5035257 | Toilet tank valve A toilet tank valve having a vertical riser with a collet thread and a plurality of flexible collet fingers. A slider tube is fitted into the riser. It has a plurality of peripheral grooves that can be engaged by the fingers to adjust the elevation of the... | 07/30/1991 |
| 4901754 | Valve improvements Valve assemblies having a valve seat with a conical surface for causing an included O-ring to roll upon and wedge against the conical surface for closing the port when a spherical valve member is forced against the O-ring.... | 02/20/1990 |
| 4873832 | Liquid level control for a cryogenic fluid A simple and reliable liquid level control for controlling the level of a cryogenic fluid within an enclosure for an electrical component. This totally mechanical system varies the flow rate of the cryogenic fluid from a supply conduit until the full leve... | 10/17/1989 |
| 4860832 | Receptacle for extinguishing a burning liquid fuel by isolation A receptacle comprises a plurality of juxtaposed tanks interconnected adjacent upper portions thereof in liquid communication with each other by eyelets defining liquid transmitting passages. Each of the tanks has an open top closed by a funnel shaped cov... | 08/29/1989 |
| 4842011 | Flushing means An improved flushing means is disclosed for use in water tanks such as are for flushing toilets. The flushing means has a water inlet with an improved two-stage valve using inlet line pressure for operating the two stages. A float is movably mounted on th... | 06/27/1989 |
| 4655244 | Float operated valve A float operated valve is provided with the rise of a float being temporarily prevented by the elastic force of a spring mounted on the valve body. When the buoyant force of the float reaches a predetermined maximum buoyant force as a result of the water ... | 04/07/1987 |
| 4637426 | Fill control valve A valve which is used to control the gravity-feed filling of containers by selectively permitting certain fluids to escape from the container while the container is being filled thereby controlling the amount of material which is admitted to the container... | 01/20/1987 |
| 4635672 | Air vent There is disclosed a vent for venting air from a system of the type which conducts fluid under pressure. The vent includes a chamber, a ball valve within a top wall of the chamber, and a float within the chamber which is arranged for vertical movement the... | 01/13/1987 |
| 4606365 | Buoyant blood stop valve This buoyant blood stop valve is in the blood line to the patient to stop flow to prevent air embolism when the blood is exhausted from the oxygenator reservoir. The stop valve comprises a downwardly directed hemispherical cup next to the downwardly direc... | 08/19/1986 |
| 4493337 | Device on a valve for shutting off and/or controlling a flow of liquid Device on a valve for shutting and/or controlling a flow of liquid, consisting of a valve box with a chamber, to which is connected an inlet and an outlet and with a valve body in the form of a ball or cylinder so arranged as to be capable of displacement... | 01/15/1985 |
| 4462417 | Valve assembly A valve assembly, mountable on a propane or LPG cylinder, has a gate valve to regulate flow. An auxiliary valve element is movable in response to the liquid level within the tank, and to pressure differentials in the outflow direction. The auxiliary valve... | 07/31/1984 |
| 4461453 | Valve for fluid systems By providing direct activation of the ball element by the cam lobe of a cam member in a ball valve, instead of utilizing additional links between the cam lobe and the ball member, positive valve action is achieved, the cost and complexity of the valve is ... | 07/24/1984 |
| 4444230 | Tank-mounted filling device The housing of the filling device mounted on the tank wall defines a chamber wherein a spring-activated cut-off valve is mounted. This valve comprises a head cooperating with a valve seat at the end of a supply duct opening into the chamber and a piston-f... | 04/24/1984 |
| 4341238 | Flushing means An improved flushing device is disclosed for use in tanks such as are used for flushing toilets. The flushing device has an inlet means including an improved two-stage valve which uses inlet line pressure in operating each of the two stages. A float is mo... | 07/27/1982 |
| 4305422 | Filler valve for a gas tank A filler valve for a gas tank, comprising a valve body to be mounted in the wall of the tank, to the upper end of which body a filler hose can be connected, and in the wall of which valve body outlet ports are provided, two shut-off valves being provided ... | 12/15/1981 |
| 4295488 | Diaphragm and ball valve A remote-control valve having at least a two-part housing with a pressure inlet and adjacent outlet in one part, and which valve is opened and closed by a flexible continuous impermeable diaphragm at the base of a pressurizable frusto-conical chamber in t... | 10/20/1981 |
| 4192341 | Drain trap valve mechanism A float actuated valve mechanism for automatically removing a predetermined amount of accumulated liquid condensate from a sump area of a gas pressurized drain trap or the like so as to regulate the level of liquid in such a sump area. A four-bar linkage ... | 03/11/1980 |
| 4046161 | Non-return valve for preventing back flow of waste waters A non-return valve comprising: a pipe for waste waters having a passageway for draining the waters in a downstream direction, a circular seat having a given diameter transversely disposed in said pipe and a housing opening into the passageway directly dow... | 09/06/1977 |
