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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 285/363 - Flanged pipe


Subclass of Class 285 - Pipe joints or couplings
Definition: Devices wherein at least the free end of one of the members
No. of patents: 298
Last issue date: 10/07/2008


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NumberTitleIssue Date
7431350Flange assembly
A flange assembly is disclosed. The assembly includes a tubular structure having a passageway and comprising a fiber reinforced plastic material, and a flange structure comprising an aperture coupled to the tubular structure using an attachment element. ...
10/07/2008
7396052Sanitary sealed connector for fluid handling systems and storage devices
A sanitary connector apparatus includes first and second tubular members coaxially aligned such that a first member end of the first tubular member is positioned toward a second member end of the second tubular member. First and second sealing components radially ex...
07/08/2008
7360436Reusable preload indicating washer assembly
A reusable washer assembly apparatus includes a generally ring-shaped flexible inner member, a generally ring-shaped outer member, a distal washer member, and a proximate washer member. The outer member is disposed around the inner member and is adapted for at least...
04/22/2008
7347423Arrangement in connection with mechanical seal
An arrangement in connection with a mechanical seal includes at least two sliding surfaces pressing against each other, which are arranged to seal a gap between a rotating and a non-rotating machining part, and mechanism for providing a sealing fluid flow cooling th...
03/25/2008
7310986Method for producing a compensation collar for an injection valve
The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor (2) that corresponds to a given idle stroke (h), a...
12/25/2007
7300075Sealing assembly
Sealing assembly, for example forming part of a flowmeter. The sealing assembly comprises a first metal body with a mating surface in which a centering chamber with a flat bottom and an upright wall are provided, and a second metal body with a mating surface provide...
11/27/2007
7290806Assembly fixture
An assembly fixture for the separable connection of a first component 1 and a second component 2, the first component 1 having an essentially cylindrical end-face recess 3, with the second component 2 having an essentially cylindri...
11/06/2007
7290805Pipe clip
A pipe clip includes upper and lower clip members that are pivoted at one end and form upper and lower slots with a locking bar fixed in the lower slot. The upper and lower clip members form upper and lower grooves for receiving and thus engaging flanges of pipe sec...
11/06/2007
7255162Methods and apparatus for use in subterranean cementing operations
The present invention relates to subterranean cementing operations, and more particularly to an apparatus useful in loading cementing plugs and darts into tubulars, and methods of using such apparatus in subterranean cementing operations. An example of a method of t...
08/14/2007
7234734Integral transverse flanges for a duct connecting system
An integral transverse flange for a duct includes a first upturned portion extending substantially perpendicularly from a duct wall of the duct. The flange further includes a second portion bent rearwardly from the first upturned portion, and a third return portion ...
06/26/2007
7220045Backlight assembly and liquid crystal display device having the same
A backlight assembly includes a receiving container, a reflecting member, a light source, and a diffusion plate. The receiving container includes a bottom plate and a sidewall upwardly protruded from sides of the bottom plate. The sidewall has at least one recess. T...
05/22/2007
7216898Flanged connector for HVAC ducting
Flanged rings for the connection end-to-end of thin, double walled circular ducting includes a first generally-circularly shaped ring having an outer insertion flange for connection to the outer wall of the double-walled duct. The first ring also includes: an exteri...
05/15/2007
7213845Tube joint
A tube joint comprises a retaining mechanism which retains the locked state by preventing a sleeve from any rotation in the circumferential direction which would be otherwise caused by any unexpected external force. The retaining mechanism includes a ratchet which i...
05/08/2007
7195290Apparatus for a fire-rated duct
A duct system comprising duct sections which are factory manufactured and field modifiable. The field modifiable duct system comprises fire resistant materials and is fire-rated. The duct sections when assembled create a continuous conduit that allows air to flow fr...
03/27/2007
7172380Wheel nut assembly
A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut...
02/06/2007
7147254Coupling apparatus
An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the body portion so as to permit the locking member to be pivoted between a...
12/12/2006
7144047Flexible pipe coupling
A mechanical pipe coupling permitting relative axial, torsional and angular deflections between pipes joined together by the coupling is disclosed. Rings, each having a greater outer diameter than the pipe, are attached to each end of the pipes to be joined. Each ri...
12/05/2006
7140960Boot hanger mounting bracket
The present invention relates to duct systems, registers and ductwork components used with floor or ceiling registers employed in warm air heating, ventilating and air conditioning systems, and specifically to improvements for mounting and installing the components ...
11/28/2006
7109598Precisely controlled flying electric generators III
One or more tethered platforms, each having three or more; mill rotors, are operated at altitudes in relatively high winds to generate electricity. These windmill kites use one or more electro-mechanical tethers on each platform. Their position, attitude and orienta...
09/19/2006
7104104Rectangular and square ducting systems
A duct structure (50), includes lengths of square/rectangular duct (52) manufactured by pre-forming the duct in round cross-section (51) and then transforming the round cross-section into square and rectangular cross-sections utilizing expandabl...
09/12/2006
7097209Sterile coupling
Sterile coupling comprising a male and a female connector, each provided with a membrane device comprising a membrane surface covered with an adhesive at the exterior surface. When the connectors are brought into operation, the adhesive surface are contacted to form...
08/29/2006
7090191Connector assembly
A connector or a connector assembly comprises a fitting, a resilient sealing member, a plurality of protrusions, and a removable stripout layer. The fitting includes a socket. The protrusions extend from the fitting and are connectable to a mating connector. The res...
08/15/2006
7086131Deformable mechanical pipe coupling
A deformable mechanical pipe coupling is disclosed. The coupling has a plurality of interconnectable segments that straddle the ends of pipe elements to be joined. The segments have arcuate surfaces that engage outer surfaces of the pipe elements. The outer surfaces...
08/08/2006
7086832High pressure rotary pump in a pot housing with a pressure cap
The high pressure rotary pump in a pot housing includes a pressure cap (3). The latter has a flange part with a flange (4) with which the pressure cap is fastened to an end face and annular sealing surface (20) of a housing (2) by being s...
08/08/2006
7073826Butt joint between two pipe segments of sheet metal and process for manufacture thereof
Butt joint between two pipe segments (10) of sheet metal with circular or oval cross-section, which respectively exhibit on one end a connecting flange (32), formed one-piece with the adjacent pipe wall (12), for producing the butt joint with an...
07/11/2006
7066468Shaft seal and gas turbine
An object of the present invention is to provide a shaft seal which reduces the leakage of gas from the high pressure side to the low pressure side, and has excellent corrosion-resistance, and a gas turbine which is equipped with the shaft seal; in order to achieve ...
06/27/2006
7029037Apparatus for connecting and sealing duct sections
An apparatus (10) for connecting and sealing duct sections is adapted for connecting and sealing round ducts (100), round oval ducts (200), and other commonly used ducts. The apparatus includes first and second connectors. Each connector include...
04/18/2006
7018127Connector for joining two lengths of sheet metal ducting together end-to-end and the two pieces of sheet metal
A connector for joining two pieces of sheet metal together end-to-end. A second wall and a first wall define a first channel therebetween, into which a ledge extends, and which lockingly receives one piece of sheet metal, by virtue of at least one reverse button loc...
03/28/2006
7014225Snap connector for the coupling of pipes
A pipe and snap connector assembly including mating male and female pipes joined by a clam-shell type connector. The female pipe receives a portion of the male pipe, and each pipe provides a radial flange configured such that there is a gap between the radial flange...
03/21/2006
7004478Shallow metallic s-seal
A metallic seal is provided that concentrates the available load over a narrow band to produce a sealing dam over a sufficient width to minimize leakage on a molecular level. The metallic seal has a first annular end section with has a first annular sealing surface,...
02/28/2006
7000952Duct separation restraint apparatus and method
A coupling apparatus and method for coupling two duct sections together to form a joint therebetween. The apparatus includes a catcher ring component formed coextensive with the edge of one section of duct, and a catcher finger component formed coextensive with an e...
02/21/2006
6969094Tube coupling
A tube coupling for the detachable coupling of tube line sections of a high-pressure tubing system. The tube coupling includes two coupling blocks held together by a clamping screw, whereby one of the coupling blocks has a coupling plug that engages a plug socket pr...
11/29/2005
6948717Joint assembly employing multi-ring gasket
A multi-ring gasket (140) is for sealing the joint between two flanged general non-metallic pipes. In one embodiment, the gasket has an inner ring (72) an outer ring (132) and a plurality of spokes (77) connecting the inner ring (72
09/27/2005
6942220Combination metal gasket and seal structure
The present invention provides a combination metal gasket that is formed by fitting a ring-shaped metal base elastic structure in at least one trough portion of two trough portions of a ring-shaped metal gasket that has an S-shaped longitudinal cross section. The co...
09/13/2005
6926807Insulated transition spool apparatus
An insulated transition spool apparatus for mounting unheading devices to pressure vessels, such as coker vessels, and enabling repetitive operation thereof is disclosed. The apparatus comprises an outer housing, an inner housing that encloses an insulating space be...
08/09/2005
6880859Conduit coupling assembly
A conduit coupling assembly is provided for interconnecting a pair of fluid conveying members placed in a confronting relationship within the coupling assembly. The coupling assembly includes a longitudinally split coupler having a pair of coupling halves rotatable ...
04/19/2005
6843483Seal ring for orifice plate
A seal ring for an orifice plate includes a metal annular body having an outer peripheral edge and an inner peripheral edge. A first sealing element retainer is integrally formed with and extends from a first side of the body. A second sealing element retainer is in...
01/18/2005
6758502Coupling ring for ventilation ducts, and method of connecting ventilation ducts
A flanged coupling ring for a duct element has a mounting section configured to be mounted or a connection portion of the duct element, and flange means extending outwards from the mounting section. The flange means has, along its periphery, flanged coupling portion...
07/06/2004
6712403Flange connector
This invention is directed to a novel multi-piece flange connector used for connecting a pump housing to a fluid conduit. The pump flange is comprised of a flange blank, an insert plate, and a seal. The flange blank is adapted to be connected to the housing of a pum...
03/30/2004
6672627Lightweight air coupler
A lightweight detachable air coupler for an air seeder comprises an aluminum frame having two steel sleeves die cast into the frame. The frame is provided with two circular apertures each being defined by a rim having an internal cylindrical surface. The ...
01/06/2004
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