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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 |
| 5501273 | Method for determining the reservoir properties of a solid carbonaceous subterranean formation A method for determining the reservoir properties of a solid carbonaceous subterranean formation is disclosed. The method uses field data obtained from an injection/flow-back test, which utilizes a gaseous desorbing fluid, in conjunction with reservoir mo... | 03/26/1996 |
| 5501274 | Control of particulate flowback in subterranean wells The addition of a thermoplastic material in intimate mixture with particulates for fracturing, gravel packing or other formation treatments decreases or substantially eliminates the flowback of particulates whether proppants or formation fines while stabi... | 03/26/1996 |
| 5501275 | Control of particulate flowback in subterranean wells The addition of fibrous mixtures in intimate mixtures with particulates for fracturing and gravel packing decreases or eliminates the undesirable flowback of proppant or formation fines while stabilizing the sand pack and lowering the demand for high poly... | 03/26/1996 |
| 5501276 | Drilling fluid and filter cake removal methods and compositions Methods and compositions for removing gelled and dehydrated drilling fluid and filter cake from the walls of wellbores are provided. The methods basically include contacting the drilling fluid and filter cake with a removal composition comprised of an aqu... | 03/26/1996 |
| 5501277 | Combating lost circulation during the drilling of wells The present invention provides improved methods of combating lost drilling fluid circulation in wells, particularly in wells penetrating vugular and naturally fractured formations such as geothermal wells. The methods basically comprise the steps of formi... | 03/26/1996 |
| 5501278 | Method of achieving high production rates in wells with small diameter tubulars Production from a producing oil well is increased by forming a pumping string with pipe sections of small diameter and high tensile strength at the top and large diameter low tensile strength at the bottom of the well.... | 03/26/1996 |
| 5501279 | Apparatus and method for removing production-inhibiting liquid from a wellbore An apparatus and method are disclosed for continually and intermittently removing water from a wellbore which penetrates a solid carbonaceous subterranean formation, such as a coalbed, while concurrently removing methane from the formation. The apparatus ... | 03/26/1996 |
| 5501280 | Casing filling and circulating apparatus and method The present invention provides improved casing filling and circulating apparatus for running a casing string into a well bore using a drilling rig casing elevator and related equipment. The casing filling and circulating apparatus includes a flow passage ... | 03/26/1996 |
| 5501281 | Torque-resistant, seal setting force-limited, hydraulically settable well packer structure and associated methods A torque-resistant hydraulically settable packer is coaxially positionable within a subterranean well flow conductor and has a tubular body that carries a circumferentially spaced series of radially outwardly movable slip anchors having, on outer side sur... | 03/26/1996 |
| 5501282 | Fire-fighting equipment The object of the invention is to provide a new fire-fighting equipment which in a simple manner eliminates the risk for premature blocking and which enables numerous applications. In a preferred embodiment of the invention a spray head (5) intended for a... | 03/26/1996 |
| 5501283 | Hole cutting device for recovering targets located with a metal detector A hole cutting device for rapidly and accurately recovering metal targets discovered with a metal detector, without the grass damage commonly produced by presently available target recovery techniques. The hole cutting device includes a cylindrical cuttin... | 03/26/1996 |
| 5501284 | Inflatable bag fire extinguishing system A fire extinguishing apparatus for use in normally ventilated or confined spaces of, for example, vehicles, such as an aircraft engine compartment, has an inflatable bag to enhance extinguishing agent performance. The inflatable bag is connected to a sour... | 03/26/1996 |
| 5501285 | Method for controlling the head of a drilling or core-drilling device and apparatus for carrying out this method Electrodes are provided in a drill bit, or alternatively, in a coring bit, to measure variations in formation resistivity surrounding an earth borehole. Three orthoganal accelerometers are also provided in the drill bit, or in the coring bit, to monitor t... | 03/26/1996 |
| 5501286 | Method and apparatus for displacing a top drive torque track A method and apparatus for displacing the lower end of a torque track used to support a top drive drilling unit. The top drive drilling unit is suspended from the lower end of the torque track and then displaced in a first direction away from the location... | 03/26/1996 |
| 5501287 | Drilling device with telescopic Kellybar The drilling device includes a telescopable Kellybar (16) with an outer tube (17) and at least one telescope tube (18). A tool (22) is mounted to the lower end of the telescope tube (18). In order to supply pressure medium to the drilling tool (22), the t... | 03/26/1996 |
| 5501288 | Remote steering of on-highway motor vehicles An extended motor vehicle having steerable wheels at the front and rear ends of the vehicle, and fixed wheels near the middle of the vehicle. The steerable wheels at the rear of the vehicle are forcibly and remotely steered in accordance with the orientat... | 03/26/1996 |
| 5501289 | Floor structure of electric vehicle A floor structure of an electric vehicle powered by batteries mounted thereon comprises an upper unit and a lower unit which are detachably coupled. The upper unit includes a first panel and a first base structure. The first panel is securely mounted on t... | 03/26/1996 |
| 5501290 | Vehicle drip shield A tough, semi-rigid, dimensionally-stable, hydrocarbon resistant film shaped to fit the underside configuration of a vehicle; a plurality of flexible securing straps affixed to the lateral edges of such film and extending outwardly therefrom, each of such... | 03/26/1996 |
| 5501291 | Skirt for an air cushion vehicle and filament member thereto The air cushion chambers of an air cushion vehicle are horizontally delimited by a skirt. The skirt comprises brushes with elongated downwards extended filaments (9), which have downwards diminishing cross-sectional area thereby providing the brushes with... | 03/26/1996 |
| 5501292 | Electrically operated vehicle An electrically operated saddle type vehicle includes a vehicle frame having at least one front wheel supported on a front wheel supporting member mounted adjacent to a front portion of the vehicle frame and at least one rear wheel supported on a rear whe... | 03/26/1996 |
| 5501293 | Safety belt retractor A retractor for a vehicle safety belt comprises a housing, a spindle rotatably mounted within the housing and to which one end of a safety belt is attached, the spindle being spring-biased for retracting the safety belt so that the belt is wound around th... | 03/26/1996 |
| 5501294 | Brake oil level safety device for motor vehicles A motor vehicle safety device including a microswitch connected in series between the ignition system and battery power supply of a motor vehicle, and a float device disposed in the brake oil cup of the oil brake system of the motor vehicle and actuated t... | 03/26/1996 |
| 5501295 | Cableless elevator system A cableless elevator system for very high buildings includes several vertical travel shafts with apparatus at the floors for horizontal travel of the elevator cars between shafts. Several cars can move in the same shaft at the same time. Vertically extend... | 03/26/1996 |
| 5501296 | Dual post single screw automotive screw lift system An automotive lift system includes an environment-defining enclosure having an upwardly directed mouth positioned substantially at work level of the system, the enclosure defining both a longitudinal and a transverse axis. The lift system also includes an... | 03/26/1996 |
| 5501297 | Safety guard assembly for fork lift trucks An overhead guard assembly for a pedestrian-operated industrial lift truck maneuvered by an arcuately shiftable handle and a vertically elongated mast supporting an article lifting implement. The overhead guard assembly has a fixed horizontally disposed s... | 03/26/1996 |
| 5501298 | Brake mechanism A brake mechanism for a bicycle includes a clamper having a pair of walls for engaging with an actuating arm and having a bar bridging the gap formed between the walls. A bolt is engaged through the walls and engaged with a nut, and includes a head formed... | 03/26/1996 |
| 5501299 | Process and apparatus for preventing corrosion of a hydraulic elevator cylinder The surface of a hydraulic cylinder is enclosed with a cylindrical casing. A fluid, preferably a thixotropic dielectric hydrophobic fluid which retains a gel structure when static, has a specific gravity greater than water and inhibits bacteriogenic and a... | 03/26/1996 |
| 5501300 | Mover vibration absorbing device for linear motor elevator A mover vibration absorbing device for a linear motor elevator is described. The device includes top and bottom frames provided on top and bottom of a counter support unit respectively. A plurality of top steel plates are coupled to flanges of the top and... | 03/26/1996 |
| 5501301 | Bicycle brake arm having a brake shoe clearance adjusting mechanism The present invention relates to a bicycle brake arm 1 used in a brake caliper apparatus. The brake arm 1 mounted to a bicycle frame F for pivotal movement about an axis X. A brake shoe mounting bracket 4 is likewise coupled to the bicycle frame F for piv... | 03/26/1996 |
| 5501302 | Hanging apparatus for brake cord of a bicycle A hanging apparatus for brake cord of a bicycle. The brake cord is securely connected with the hanging apparatus and two hanging cords are connected between the hanging apparatus and two brake blocks. The brake cord is able to pull the hanging apparatus t... | 03/26/1996 |
| 5501303 | Single acting translational/rotational brake A brake system is provided that applies braking forces on surfaces in both the translational and rotational directions using a single acting self-contained actuator that travels with the translational mechanism. The brake engages a mechanical lock and cre... | 03/26/1996 |
| 5501304 | Band brake holder/lever The invention is a device which holds a brake band and provides a simple levered actuating force. One end of the band of a brake is mounted to a U-shaped bracket. Slots are provided for the U-shaped bracket so that a lever, which connects to the opposite ... | 03/26/1996 |
| 5501305 | Device for generating a reversible working stroke A force generating system including a lever mechanism fixed with respect to and interacting with a varying elastic deformation force take-up system and at a force application point of a given lever arm length; an energy-storing force generating device whi... | 03/26/1996 |
| 5501306 | Brake rotor with a heat-resistant ceramic coating A brake rotor having a brake ring, first and second opposing braking surfaces, and inner and outer peripheral surfaces connecting the braking surfaces. A plurality of apertures are disposed through the brake ring and extend between the two braking surface... | 03/26/1996 |
| 5501307 | Shock absorber In the shock absorber wherein the operation of the main valve for opening and closing a main oil channel by the action of the energizing current flowing through a linear solenoid thereby to control the damping power, an improvement in the response propert... | 03/26/1996 |
| 5501308 | Retractable incrementally adjusting auxiliary luggage attachment mechanism and method A mechanism for attaching an auxiliary luggage case to a main luggage case including a cassette attached to the main luggage case, the cassette defining a elongated receptacle and a retention edge adjacent to the receptacle. The receptacle is adapted to r... | 03/26/1996 |
| 5501309 | Hydrokinetic torque converter with lockup clutch A hydrokinetic torque converter comprises a lockup clutch having an annular piston which is reciprocable in the direction of the axis of rotation of the housing of the torque converter and carries a friction lining having a friction surface which bears ag... | 03/26/1996 |
| 5501310 | Motorcycle clutch device A clutch device comprises an input part 3 to which power from a crankshaft 2 is inputted, an output part disposed concentrically with the input part 3 and connectable to an input shaft of a transmission, a clutch body 5, a pressure plate 40, and a main co... | 03/26/1996 |
| 5501311 | Fluid pressure control device for variable torque transfer of four wheel drive vehicle A four wheel drive motor vehicle is of a type which has a variable torque transfer through which the driving force distribution between front and rear wheels is varied in accordance with the magnitude of a fluid pressure supplied to the transfer. A fluid ... | 03/26/1996 |
| 5501312 | Clutch assembly cone spring having wear protection means A clutch cover assembly 3 having a disk-shaped clutch cover 4, an annular pressure plate 5, a cone spring 6, and a diaphragm spring 7. The pressure plate 5 is disposed in the clutch cover 4 and has a pressing surface 5a. The cone spring 6 is disposed on t... | 03/26/1996 |
