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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 |
| 6575029 | Gravity gradiometer accelerometers This invention concerns improvements to gravity gradient instruments (GGI) and in particular to the accelerometers that are paired within these instruments. Accelerometers have a proof mass suspended by a spring within a magnetic field. An internal feedba... | 06/10/2003 |
| 6027587 | Strain-induced transformation to ultrafine microstructure in steel Steel with ultrafine grains is produced by altering the transformation from one which normally proceeds with grain boundary nucleation followed by intragranular nucleation at deformation bands and other defects, to one which induces a substantially instan... | 02/22/2000 |
| 5997100 | Inertization system for highwall mining A highwall mining system for mining aggregate material from a seam (8) includes a mining device (9) for cutting aggregate material from the seam (8) thereby to form a drive (10) in the seam (8), a conveying device (11) for conveying mined aggregate materi... | 12/07/1999 |
| 5999557 | Steel making bath control This invention is directed to a method and apparatus for thermal homogenization of molten metal in a heath of a electric arc furnace for steel production. The invention addresses the problem of lack of thermal homogenization by providing a lance which dir... | 12/07/1999 |
| 5830424 | Method of extracting fluorine from minerals or mineral species A method of extracting a mineral or mineral species comprising contacting the mineral or mineral species with a leachate solution which contains metal or metalloid ions capable of forming soluble fluoro-complexes of high bond strength with fluorine in the... | 11/03/1998 |
| 5820223 | Inertization system for highwall mining A highwall mining system for mining aggregate material from a seam (8) includes a mining device (9) for cutting aggregate material from the seam (8) thereby to form a drive (10) in the seam (8), a conveying device (11) for conveying mined aggregate materi... | 10/13/1998 |
| 5775850 | Rock bolt A rock bolt (1) adapted to be anchored in a hole in a rock formation by means of a cement or a chemical resin anchor is disanchored. The rock bolt (1) comprises a core (5) on which is formed a profile for optimising the load transfer and the stiffiess pro... | 07/07/1998 |
| 5769259 | Full-open end panel for container closure An end panel for a full-open end closure for a container comprising a rim portion, a removable central panel portion connected to the rim portion for detachment by an opening implement, an array of closely spaced push-in closure members dimensioned and sp... | 06/23/1998 |
| 5635834 | SQUID detector with flux feedback coil sized and located to produce uniform feedback flux A high temperature Tc SQUID chip magnetometer has a flux-locked loop circuit including an independent feedback coil having an internal diameter greater than the maximum SQUID chip dimension. The feedback coil is mounted in close co-axial proxim... | 06/03/1997 |
| 5609397 | Highwall mining system with driven conveyor units A highwall mining system for mining aggregate material from a seam includes both a mining device for cutting aggregate material from the seam and thereby forming a drive in the seam and a conveying device for conveying mined aggregate material from the dr... | 03/11/1997 |
| 5263113 | Method and apparatus for controlling the speed of a motor An apparatus is disclosed which controls the speed of a motor driving a load. A speed controller finds the difference between a command speed value of the motor and a detected speed value of the motor and generates a command current value of the motor on ... | 11/16/1993 |
| 5236089 | Method of beneficiating coal The separation density of a dense media comprising a slurry of magnetite and water in a cyclone for beneficiating coal containing refuse is maintained within predetermined limits by: (a) measuring the total solids in an overflow of the cyclone; (b) compar... | 08/17/1993 |
| 5223908 | Measurement of blast furnace raceway parameters A blast furnace with a blowpipe (12) opening through the furnace wall (11) has apparatus for analysis (20) in a raceway (18) adjacent the blowpipe opening in a bed of the blast furnace. The apparatus includes means (24) arranged in relation to the blast f... | 06/29/1993 |
| 5146976 | Electro-slag casting apparatus and method The casting apparatus includes an electro-slag mould (7) which includes a bath adapted to hold a pool of molten flux and an underlying pool of refined liquid metal and an exit passage extending downwardly from the bath. The casting apparatus further inclu... | 09/15/1992 |
| 5132481 | Process of methane oxidative coupling with hydrogen activation of catalyst The activation of catalysts which include carbonate compounds is brought about by exposing the catalyst to an atmosphere containing hydrogen. The invention is useful for activating Group IIA carbonates, such as strontium carbonate, for use in the oxidativ... | 07/21/1992 |
| 5126377 | Catalyst for conversion of synthesis gas into hydrocarbons Processes for converting synthesis gas into hydrocarbons by passing the synthesis gas over a catalyst, and catalysts suitable for use in such processes. The catalysts include cobalt supported on ZSM-5 type zeolites and they also include chromium.... | 06/30/1992 |
| 5118898 | Process for the production of olefins by combined methane oxidative coupling/hydrocarbon pyrolysis A process for the production of ethylene from a methane rich gas stream and an ethane rich gas stream. The process comprises the steps of: (a) introducing the methane rich gas stream together with molecular oxygen into a lower zone of a fluidized-bed of partic... | 06/02/1992 |
| 5117800 | Oxygen enrichment of fuels A method of operating a diesel or spark ignition engine which includes enriching the combustion air supply with oxygen while simultaneously adjusting the fuel injection or ignition timing of the engine to compensate for advanced combustion caused by an in... | 06/02/1992 |
| 5104902 | Conversion of synthesis gas into hydrocarbons A catalyst for the conversion of synthesis gas into hydrocarbons suitable for use as liquid fuels comprising a Fischer-Tropsch active metal supported on an acidic crystalline zeolite, is characterised in that the average crystal size of the zeolite is les... | 04/14/1992 |
| 5089451 | Hardened catalyst particles and method for hardening the catalyst particles Catalysts containing a carbonate or carbonates, particularly Group IA and IIA carbonates, may be hardened sufficiently to be useable in fluidized bed reactors. The catalysts are heated to at least 700° C. in an atmosphere containing carbon dioxide under ... | 02/18/1992 |
| 5074732 | Method of producing a can end from metal A method is described for producing a can end from metal with at least one opening tab to be pushed in towards the inside portion of the can end. The method of this invention comprises the steps of forming a bulge which is directed upwards, partial punchi... | 12/24/1991 |
| 5073104 | Flame detection A method and apparatus of detecting the condition of a flame having an emf by electrically conducting the emf generated by the flame as a signal to a sensor through an electrically isolated conductor means and sensing with said sensor an electrical parame... | 12/17/1991 |
| 5066629 | Oxidative coupling catalyst for methane An improved catalyst for the oxidative coupling of methane containing a Group IIA element capable, under the reaction conditions, of existing at least partly in its oxide or carbonate form and a clay or a synthetic analogue of a clay. The catalyst prefera... | 11/19/1991 |
| 4677757 | Oven An oven for heating can ends comprising a generally elongate heating chamber having walls which closely surround a conveyor for conveying the can ends through the chamber, a source of infra-red heat arranged in the upper region of said chamber and having ... | 07/07/1987 |
| 4671720 | Can end manufacture A can end manufacturing apparatus including an endless belt (1) having spaced apertures (12) for supporting the can ends (C) through the various stages of manufacture, said belt (1) being supported by spring-loaded travel rails (2, 3) arranged in guide sl... | 06/09/1987 |
| 4645585 | Production of fuels, particularly jet and diesel fuels, and constituents thereof A first aspect of the invention is concerned with fuels and particularly jet and diesel fuels which comprise blends of substituted mono cyclohexane material and two ring non-fused cyloalkane material. The first material may be n-propylcyclohexane or n-but... | 02/24/1987 |
| 4583685 | Rail anchoring A rail anchoring clip and sleeper assembly comprising a sleeper and at least one rail anchoring clip arranged in use to longitudinally anchor a rail across the sleeper, the sleeper having means to locate the rail in a direction longitudinal of the sleeper... | 04/22/1986 |
| 4554393 | Two-stage process for converting propane to aromatics A process for the production of aromatic compounds from low-molecular weight predominantly paraffinic feedstock which comprises contacting the feedstock in a first reactor with a dehydrogenation catalyst to produce a first reaction product containing alke... | 11/19/1985 |
| 4546873 | Article retention system for transfer equipment The specification discloses an article retention system for transfrer equipment, particularly transfer equipment for carrying can ends to a series of stations to produce an easy-opening end. The can ends are supported by an indexing belt and contact means... | 10/15/1985 |
| 4533468 | Centrifugal separation method and apparatus A method of separating lighter and heavier particles in a solids mixture includes entraining the mixture in a liquid of a specific gravity intermediate the specific gravities of the lighter and heavier particles, and feeding the liquid through a first ope... | 08/06/1985 |
| 4511081 | Rail anchoring clip and associated sleeper A rail anchoring clip and associated sleeper assembly comprising the combination of a sleeper having raised projections which locate the rail against movement longitudinal of the sleeper, each projection having formed therein an aperture through which a r... | 04/16/1985 |
| 4508480 | Manufacture of tinplate and tinplate containers Tinplate container with externally welded seam is formed of electrolytic unreflowed tinplate with external tin coating of low coating mass (less than 2 g/m2); the solderability of such tinplate being comparable with conventional reflowed tinpla... | 04/02/1985 |
| 4483907 | Manufacture of tinplate and tinplate containers Tinplate container with externally welded seam is formed of electrolytic unreflowed tinplate with external tin coating of low coating mass (less than 2 g/m2); the solderability of such tinplate being comparable with conventional reflowed tinpla... | 11/20/1984 |
| 4455733 | Furnace cooling elements and method of forming furnace cooling elements There is disclosed a method of forming a furnace cooling element involving casting a metal block or plate (10) around one or more elongated metal tubes (11) which have a protective coating applied thereto, and thereafter the, or each, metal tube (11) is e... | 06/26/1984 |
| 4446156 | Manufacture of tinplate and tinplate containers Tinplate container with externally welded seam is formed of electrolytic unreflowed tinplate with external tin coating of low coating mass (less than 2 g/m2); the solderability of such tinplate being comparable with conventional reflowed tinpla... | 05/01/1984 |
| 4436618 | Recovery of coal from coal handling operations This specification discloses a greatly simplified method and system for recovering coal from a particulate coal bearing slurry (1) in which an appropriate hydrophobic liquid or emulsion of hydrophobic liquid in water (2) is introduced into the inlet of a ... | 03/13/1984 |
| 4413932 | Pneumatic conveyors for flow of gas-borne particulate material A method and apparatus for transporting gas-borne particulate material comprising a pneumatic conveyor having an elongate duct. In order to inhibit formation of stagnant pockets and recirculation of solids within the duct, an annular flow of gas is introd... | 11/08/1983 |
| 4305523 | Push-in closures A push-in easy opening closure for a can end (1) or similar container member formed with a resealable pressure releasing tab (4) closing an opening (5) in the can end (1) and integrally connected to the can end (1) at integral connection (6). The tab (4) ... | 12/15/1981 |
| 4267938 | Resealable pressure release closures This specification discloses certain improvements in resealable pressure releasing closures of the type disclosed in U.S. Pat. Nos. 4,105,134 and 4,155,480 Debenham et al. In the several improvements disclosed in the specification, the resealing propertie... | 05/19/1981 |
| 4257863 | Gas sensors and method of making such sensors This specification discloses an improved electrochemical gas sensor comprising a closed end stabilized zirconia tube to which a porous layer of powdered zirconia is applied so as to be intimately bonded to the tube, and a layer of porous electrode materia... | 03/24/1981 |
