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...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!

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Patents Published on 10/30/1990


See All Patents Issued In 1990


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NumberTitleIssue Date
4966006Refrigeration plant and method of controlling a refrigeration plant
The refrigeration plant disclosed herein includes an evaporator, a compressor connected to the outlet of the evaporator, a condenser connected to the outlet of the compressor, a controllable expansion valve connected to the outlet of the condenser and hav...
10/30/1990
4966007Absorption refrigeration method and apparatus
An absorption refrigeration method and apparatus having concentrator and evaporator phases operated at substantially equal pressure and wherein the concentrator phase utilizes a mechanically driven heat pump to concentrate absorbent solution and to conden...
10/30/1990
4966008Arrangement of ice fullness detector in ice making machine
Disclosed is an arrangement of an ice fullness detector within an ice making machine composed of an ice making unit and an ice reservoir upon which the ice making unit can be separably stacked, wherein ice cakes formed within the ice making unit are disch...
10/30/1990
4966009Air-conditioner permitting comfortable sleeping during heating operation
There is disclosed an air-conditioner is provided with an indoor unit including a blower fan for a warm or cold wind to the interior of a room, a louver for adjusting the direction of blowing of warm or cold wind from the fan in a range from the ceiling t...
10/30/1990
4966010Apparatus for controlling a dual evaporator, dual fan refrigerator with independent temperature controls
A refrigerator apparatus is provided having a cabinet with a freezer compartment and a fresh food compartment. The compartments define two passageways allowing air circulation therebetween. A refrigerator system is included having a compressor, a condense...
10/30/1990
4966011Air-conditioning for automobiles
In an air-conditioner for automobiles, cooled air having passed through an evaporator is immediately introduced through a cooled air bypass passage into the vehicle passenger compartment. The opening of a bypass door disposed in the bypass passage is adju...
10/30/1990
4966012Air-conditioner for automobile
An automobile air-conditioner wherein a total signal corresponding to a thermal load in the passenger compartment of an automobile and a head part total signal corresponding to a thermal load in the vicinity of the head of an occupant of the passenger com...
10/30/1990
4966013Method and apparatus for preventing compressor failure due to loss of lubricant
The failure of compressors due to their most common causes of failure are avoided by monitoring the operation of a compressor and operating or locking off the compressor where appropriate. Specifically, the system in run after a predetermined number of pu...
10/30/1990
4966014Solar absorption refrigeration
This invention relates to ice-producing refrigerators which operate on an intermittent absorption cycle, and to solar heat collectors suitable for powering the intermittent absorption refrigerators. The refrigerators are useful for making ice and for stor...
10/30/1990
4966015Apparatus for the production of small clear ice bodies
An apparatus for producing small clear ice bodies includes an evaporator (110) having freezer cells (12) open at the bottom and cooled by a refrigerant pipe (11). Interspaces between the freezer cells (12) are covered by strips (114) of insulating materia...
10/30/1990
4966016Cryopump with multiple refrigerators
The present invention relates to a cryopump with multiple cooling sufaces, each cooled independently by a closed-cycle refrigerator. Specifically, a primary pumping surface is cooled by a first, two-stage refrigerator independently from the radiation shie...
10/30/1990
4966017Fiber creel humidification
A process and apparatus for supplying never-dried yarns from a humidified creel to maintain a constant and controlled amount of moisture on the yarns and, thereby, assure that the supplied yarns are maintained at a constant quality for further processing....
10/30/1990
4966018Low profile, secure camper shell latch
A low profile high security latch 22 is provided comprising inner and outer housing portions 28, 30 defining a common bore 32 in which a shaft 42 moves rotationally and transistionally responsive to an attached handle 40, the housing outer portion 30 is o...
10/30/1990
4966019Anti-theft arrangement for a vehicle
An anti-theft arrangement for a motor vehicle comprising an electrically operable device associated with a system or component essential to operation of the engine of the vehicle and which in a first state permits normal operation of the associated system...
10/30/1990
4966020Locking mechanism
A novel locking mechanism and specific applications for same are disclosed. One aspect of the invention provides a product security system having a locking mechanism for preventing sliding movement between a slidably juxtaposed product container and produ...
10/30/1990
4966021Reprogrammable lock and keys therefor
A reprogrammable lock assembly of the wafer tumbler type which includes a plurality of wafer-type tumblers and cooperating followers mounted in a cylindrical plug and housing. The tumblers are movable radially in the plug to project beyond the plug into r...
10/30/1990
4966022Method and apparatus for lubricating the mandrel upon the manufacture of seamless tubes by the cold pilger process
A method and apparatus for manufacturing seamless metal tubes by the cold pilger process permitting the continuous feeding of fresh cooling and lubricating agent between the mandrel and inner surface of the material being rolled. The apparatus includes a ...
10/30/1990
4966023Staged tool for boring a hole in an element by axial penetration of the tool
A staged tool for boring a hole in a heated element of a material such as metal. The tool is adaptable to being axially forced and operation of the tool causes plastic deformation of the bored material. The tool successively includes, beginning at its fro...
10/30/1990
4966024Method of forming a screw threaded fastener
A screw threaded method of making fastener particularly intended for use in fastening corrugated sheet material to metal purlins comprises a drilling point (1), a head (2), a first self-tapping screw threaded portion (3) adjacent the drilling point (1), a...
10/30/1990
4966025Horizontally opposed-die type edging press
Each of a pair of opposing slides which is equipped with a die and is connected through a connecting rod to an eccentric portion of a crankshaft is displaced by a width setting device in the direction of width of a slab so as to set the width of a slab to...
10/30/1990
4966026Edging roll for use in making sections having flanges
This invention relates to an edging roll for rolling the flange edges (12a) of a rolling material (12), specifically to an edging roll which is adaptable commonly to rolled sections having different dimensions and is capable to roll the flange edges with ...
10/30/1990
4966027Wire-rod block
The present invention related to a wire-rod block which forms part of a wire rolling line and which includes two roll rings, between which the wire rod is rolled, and which further includes an input drive shaft and a gearing for transmitting the drive tor...
10/30/1990
4966028Multi-stage cold forging machine
A multi-stage cold forging machine including a parts forming aid unit, which has a number of aid pins corresponding to that of the forging dies, the pins being adapted to retain a forged blank against a knockout pin slidably housed in the dies, and transf...
10/30/1990
4966029Method of bending a workpiece to a predetermined bending angle
The invention provides a method of bending a workpiece to a predetermined bending angle, in which, in a first step, the workpiece is bent to a somewhat greater bending angle and then released. Thereafter, the amount of resilient back motion occurring afte...
10/30/1990
4966030Pin-on-disk type wear testing device
A pin-on-disk type wear testing device which has a non-contact type displacement gauge that moves integrally with the pin type testpiece sliding against the disk type testpiece, so that the said pin-on-disk type wear testing device of the present inventio...
10/30/1990
4966031Vibration sensor
In a vibration sensor including a base member shaped in the form of a sleeve having a structure for installation on an object of measurement, a piezoelectric conversion portion put onto the periphery of the same, and lead wire member connecting the same w...
10/30/1990
4966032Instrument for testing lubricating oil
An instrument for testing the lubricating ability of a lubricating oil has a base member having a contact surface to be submerged in the oil, a vibration member having a friction portion pressed against the contact surface, a driving device having a drivi...
10/30/1990
4966033Air flow metering apparatus for internal combustion engines
Disclosed is an air flow metering apparatus for an internal combustion engine of the type in which heating current supply to a hot-wire air flow meter for detection of engine suction air flow rate is made intermittent in synchronism with the rotation of t...
10/30/1990
4966034On-board tire pressure indicating system performing temperature-compensated pressure measurement, and pressure measurement circuitry thereof
A reliable indication of temperature-compensated pressure is provided from each of the wheels of a vehicle to an operator within the vehicle. A piezoresistive transducer bridge is supplied by a constant current source in one embodiment, and by a voltage o...
10/30/1990
4966035Tire pressure gauge
A pen-like pressure gauge has an elongated outer casing with a chuck, having a first portion accommodating a transparent inner casing and a second portion accommodating a piston member which is in sliding and sealing contact with the inner surface of the ...
10/30/1990
4966036Air flow rate meter
In air flow rate meters having a substrate body that protrudes into the air intake tube of an internal combustion engine and has openings in which hot wires are deployed over support points, the problem arises of reducing the heat losses caused by the sup...
10/30/1990
4966037Cantilever semiconductor device
A semiconductor device comprising a semiconductor body having a depression formed into the first surface of the body. The device further comprises member means comprising a thermal-to-electric transducer or static electric element, the member means having...
10/30/1990
4966038Ultrasonic microscope
An ultrasonic microscope comprises an acoustic lens, a supporting rod for supporting a sample, a supporting plate for supporting the lens and a drive mechanism for two-dimensionally shifting the lens supporting plate, thereby setting a scanning region, an...
10/30/1990
4966039Electrical force and/or deformation sensor, particularly for use as a pressure sensor
An electrical force and/or deformation sensor includes a support structure constituted by a rigid plate in one face of which a recess is formed. The bottom wall of the recess is thin and is resiliently deformable under the action of a force or pressure to...
10/30/1990
4966040Karman vortex flowmeter with signal waveform shaper circuit
A Karman vortex flowmeter is disclosed which comprises, in addition to a conventional vortex frequency detector means for outputting an electical signal including a vortex frequency signal component, a filter group consisting of a plurality of filters hav...
10/30/1990
4966041Displacement detection device
A pair of permanent magnets adjoining each other and magnetized with opposite polarities are coupled with a movable object through a connecting shaft so that the pair of permanent magnets are aligned in a direction of displacement of the movable object. A...
10/30/1990
4966042Balanced reciprocating machines
A large compressor has a four throw crankshaft, four connecting rods, four crossheads, and four horizontally opposed pistons. As usual, each piston is offset from its opposing piston and this causes the usual inertia force couples (primary couples and sec...
10/30/1990
4966043Crank drive
A crank disc is rotatably mounted on a journal fixed to the casing. A planetary wheel is mounted rotatably and eccentric on the crank disc. The planetary wheel is in forced engagement with a sun wheel arranged coaxially with regard to the crank disc. The ...
10/30/1990
4966044Directional control system for a tractor transmission
A single lever directional control system for positively conditioning a tractor transmission for either a forward or reverse mode of operation. The control system includes a controller for engaging the transmission in either of two modes of operation as a...
10/30/1990
4966045Powered six-way seat adjustor and mechanisms therefor
A load bearing structural assembly comprising a threaded lead screw having a central axis, the lead screw having a mounting mechanism and an anchor mechanism affixed to one end thereof; the lead screw having mounted thereon a first drive nut having an ope...
10/30/1990
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