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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 |
| 8002142 | Ambient pressure-responsive variable volume fuel tank An apparatus is provided for a fuel tank system for an air vehicle. The system comprises a container having an interior adapted to hold fuel, the container comprising a first opening placing the interior in fluid communication with the ambient atmosphere, and a volu... | 08/23/2011 |
| 7832590 | Inserts for multiple component containers An insert for a multiple component container includes a reservoir with an opening defined by a peripheral edge which, in use, is connected to a sealing element (20). In use, the reservoir and the sealing element define a substantially sealed space. The reserv... | 11/16/2010 |
| 7402029 | Remedies to prevent cracking in a liquid system A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when frozen. In such a system, pipes, pumps, and heat exchangers are desig... | 07/22/2008 |
| 7377292 | Vehicular brake system component A vehicular brake system component is used in a brake system of a vehicle. The brake system component includes a sealable bonded component having a metal member and an elastic rubber member bonded to each other and located so as to touch a brake fluid. ... | 05/27/2008 |
| 7363944 | Sealing mechanism for diaphragm tank A liner for use with a diaphragm tank and a through-wall connector. The through-wall connector includes a passage fitting having a neck and adapted to extend into the diaphragm tank, an o-ring mounted on the passage fitting, and an annular holder mounted on the pass... | 04/29/2008 |
| 7351467 | Beverage safety lid In accordance with the invention, thin bodies of plastic, such as sheets or strands, with substantially different thermal coefficients of expansion, are laminated together to make plastic bodies that move in response to temperature change. The thermally movable plas... | 04/01/2008 |
| 7322488 | Expansion tank with double diaphragm A double-diaphragm bladder. The bladder comprises a non-flexible diaphragm having a peripheral edge and a flexible diaphragm having a peripheral edge. The non-flexible diaphragm has an aperture adapted and constructed to be connected to a liquid port, and the periph... | 01/29/2008 |
| 7303091 | Expansion tank with double diaphragm A double-diaphragm bladder. The bladder comprises a non-flexible diaphragm having a peripheral edge and a flexible diaphragm having a peripheral edge. The non-flexible diaphragm has an aperture adapted and constructed to be connected to a liquid port, and the periph... | 12/04/2007 |
| 7287543 | Hydraulic device A hydraulic device is provided herein. The hydraulic device mainly contains a reservoir having an airbag inside. The reservoir is provided with an inlet pipe and a plurality of outlet pipes, both extended from a top side of the reservoir. The inlet pipe receives wat... | 10/30/2007 |
| 7278549 | Remedies to prevent cracking in a liquid system A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when frozen. In such a system, pipes, pumps, and heat exchangers are desig... | 10/09/2007 |
| 7255133 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 08/14/2007 |
| 7243813 | Domed food container A food container preferably for heated food, has a lid member and a base member. The base member has complimentary embossed portions in the bottom of the base member to engage a complimentary indented portion in the top surface of the lid member. The retaining mecha... | 07/17/2007 |
| 7111750 | Liquefied natural gas storage tank Substantially rectangular-shaped tanks are provided for storing liquefied gas, which tanks are especially adapted for use on land or in combination with bottom-supported offshore structure such as gravity-based structures (GBS). A tank according to this invention is... | 09/26/2006 |
| 7108016 | Lightweight low permeation piston-in-sleeve accumulator A lightweight, low permeation, piston-in-sleeve high pressure accumulator is provided. The accumulator includes a cylindrical composite pressure vessel with two integral rounded ends. A piston slidably disposed in a thin nonpermeable internal sleeve in the accumulat... | 09/19/2006 |
| 7108015 | In-line flow through diaphragm tank An in-line expansion tank. As fluid traverses a pipe within the tank, it may pass into and displace a diaphragm disposed outside of the pipe if the fluid pressure is greater than a tank pressure pushing the diaphragm against the pipe. When the fluid pressure decreas... | 09/19/2006 |
| 7089962 | Compensation device for compensating volumetric expansion of media, especially of a urea-water solution during freezing A compensation device for compensating a volumetric expansion of a medium during freezing has a receptacle provided in a structural component. The medium is contained in the receptacle. A sealing element is provided that delimits the receptacle. The sealing element ... | 08/15/2006 |
| 7040350 | Perforated pulsation dampener and dampening system Perforated pulsation dampening devices of this invention comprise a housing having a structural wall section with opposed ends defining an internal chamber. The housing is characterized by a plurality of openings disposed therethrough. A compressible member is dispo... | 05/09/2006 |
| 7013925 | Accumulator tank assembly and method Some embodiments of the present invention provide an accumulator tank assembly and method in which a flexible bladder is received within an accumulator tank. The accumulator tank and the flexible bladder can each have an inlet aperture through which fluid is receive... | 03/21/2006 |
| 7013924 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 03/21/2006 |
| 6988514 | Hydroaccumulator, in a particular a bladder accumulator A hydroaccumulator, in particular a bladder accumulator, includes a pressurized container (1) and a separation element (5) located in the container to separate a gas chamber (7) lying adjacent to an inlet on the gas side from a fluid chamber ( | 01/24/2006 |
| 6981523 | Variable volume reservoir A hydraulic fluid reservoir (10, 10′, 10″, 10′″) comprises a body 12, 12′, 12″ 12′″) defining a variable volume chamber having one end portion movable with the level of fluid in the chamber. A biasing member (18, 18′, 18″, 18... | 01/03/2006 |
| 6971411 | Trapped gas removal in liquid gas accumulator A hydraulic accumulator of the liquid-gas type, comprising a housing (11) defining a chamber (11C), a gas port (30) and a liquid port (19). A gas charging valve (31) is disposed in the gas port (30) to control admission of h... | 12/06/2005 |
| 6957669 | Hydraulic accumulator A hydraulic accumulator A to be removably attached to a support member includes a liquid chamber R2b having a predetermined volume even when no pressurized operating liquid is accumulated, and communicating with a liquid inflow port Pi and a liquid out... | 10/25/2005 |
| 6915922 | Pressure tank A pressure tank having a reinforced stainless steel connector that can bear heavy weight and the stainless steel connector makes the pressure tank well water-tightened. The pressure tank mainly contains: an upper chamber, an inner chamber, a sealing washer, a stainl... | 07/12/2005 |
| 6901965 | Hydropneumatic accumulator A hydraulic accumulator includes an accumulator housing (1) and a diaphragm (3) forming a displaceable partition element in the housing between a gas chamber (7) and a liquid chamber (5). The membrane has several annular regions (31, 3... | 06/07/2005 |
| 6880578 | Pressure-stable cylinder A pressure-stable cylinder comprises a cover having a dome shape groove and a through hole; an inner wall of the dome shape groove having threads; a cylinder having an opening and an opening section around the opening having a threaded tapered shape matching to the ... | 04/19/2005 |
| 6871671 | Hydroaccumulator A hydroaccumulator, especially a membrane accumulator, has an accumulator housing with two housing parts and a separating element in the housing. The separating element can be a separating membrane dividing the accumulator housing into a gas chamber and a fluid cham... | 03/29/2005 |
| 6871672 | Bellows-type hydraulic accumulator A bellows-type hydraulic accumulator includes a shell, a bellows unit, and a stay in order to accumulate pressurized liquid within a liquid chamber, divided into a fixed-volume liquid chamber and a variable-volume liquid chamber communicating with the fixed-volume l... | 03/29/2005 |
| 6871670 | Metal bellows accumulator In a metal bellows accumulator, a metallic bellows unit is disposed within a pressure space defined in a main shell, and one end of the metallic bellows unit is fixedly secured to one end wall of the main shell. The metallic bellows unit sections the pressure space ... | 03/29/2005 |
| 6866066 | Hydraulic accumulator A hydraulic accumulator, especially a piston accumulator, includes an accumulator housing (10) with at least one gas chamber (12) and a fluid chamber (14). These chambers are separated from each other by a separating element (16). At leas... | 03/15/2005 |
| 6857450 | Hydropneumatic pressure reservoir A hydropneumatic pressure reservoir (1) forms a housing from at least two housing shells (3, 5) connected together. At least the end region of the one housing shell (5) includes an outwardly-extending, funnel-like guide surface between its free ... | 02/22/2005 |
| 6810915 | Accumulator having a safety valve In an accumulator comprising a pressure vessel, a bellows dividing the interior of the pressure vessel into a gas chamber filled with pressurized gas and a liquid chamber which communicates with a liquid pressure circuit via a liquid introduction port, a stay member... | 11/02/2004 |
| 6805166 | Bellows-type hydraulic accumulator A bellows-type hydraulic accumulator includes a main shell defining a pressure space, and a bellows unit sectioning the pressure space into a gas chamber and a liquid chamber. An auxiliary shell is disposed inside the liquid chamber and fixed to the main shell. The ... | 10/19/2004 |
| 6789576 | Accumulator Disclosed is an accumulator comprising a cylindrical shell including a cylindrical portion, a partitioning member for partitioning the interior of the shell into a hydraulic chamber and a gas chamber, and a port including a hydraulic fluid flow path for communicatin... | 09/14/2004 |
| 6772794 | Variable volume reservoir A hydraulic fluid reservoir comprises a body defining a variable volume chamber having one end portion movable with the level of fluid in the chamber. A biasing member acting on a traction rod extending from the movable end portion restrains movement thereof under f... | 08/10/2004 |
| 6739470 | Container An object of the present invention is to provide an insulated container which provides a high level of safety, which can be manufactured at a low cost, and which is aesthetically attractive and appealing to enjoy a variety of changes. ... | 05/25/2004 |
| 6672337 | Serially connected fluid hammer preventer An in-line type fluid hammer prevention device capable of maintaining pressure energy conversion efficiency of elastic cushion for a long time by improving fluid sealing tightness against an elastic cushion by elastic cylindrical diaphragm, wherein an inl... | 01/06/2004 |
| 6564830 | Method and apparatus for managing fluid pressure using an accumulator An accumulator assembly for managing pressurized fluid includes a housing and a partition provided in the housing moveable in response to fluid pressure imparted on the partition. A deflection member is disposed in the housing and is displaceable between ... | 05/20/2003 |
| 6527012 | Hydropneumatic pressure accumulator A hydropneumatic pressure accumulator, includes a gas chamber, an oil chamber, and a pair of metal bellows separating the chambers. An end plate is displaced according to volume changes in the gas chamber and oil chamber. A valve releases and blocks the f... | 03/04/2003 |
| 6505691 | Subsea mud pump and control system The invention is a subsea pump that includes pumping elements, each pumping element including a pressure vessel with a first and a second chamber therein and a separating member disposed between the first and second chambers. The first and second chambers... | 01/14/2003 |
