Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 4656101 | Electronic device with a protective film A electronic device having a structure in which at least one electronic element, including an insulating film or covered with a protecting film, is formed on a substrate, where the insulating or protecting film consist principally of aluminum nitride. Alt... | 04/07/1987 |
| 4654680 | Sidewall gate IGFET A semiconductor device which is provided with a surface channel type or bulk channel type MIS FET. The MIS FET comprises at least a semiconductor substrate of a first conductivity type, a layer member formed in a predetermined pattern on the major surface... | 03/31/1987 |
| 4636680 | Vacuum gauge An ionization gauge of the type including a source of electrons, an accelerating electrode for accelerating said electrons through a volume generally defined by said accelerating electrode and a collector electrode, disposed in the volume. Ions are collec... | 01/13/1987 |
| 4633287 | Semiconductor photoelectric conversion device An N+ N- (or I)PIN or P+ P- (or I)NIP type photo transistor comprises semiconductor layers serving as collector, base and emitter regions and a semiconductor layer which is disposed between the semiconductor lay... | 12/30/1986 |
| 4629043 | Electric parking brake system for a vehicle An improved electric parking brake system for a vehicle capable of controlling the brake-applying and releasing operations of a parking brake in an optimal manner in accordance with the gradient of the road on which the vehicle is stopped. The inventive p... | 12/16/1986 |
| 4630151 | Flexible magnetic disk driving apparatus with lubricated surfaces An apparatus for driving a flexible magnetic disk comprises an upper member and a lower member for positioning a flexible magnetic disk sheet of the flexible magnetic disk by engagement with a circular hole at the center of the magnetic disk sheet. A lubr... | 12/16/1986 |
| 4628764 | Device for driving a movable member in vehicle A device for driving a movable member in vehicle comprises a driving motor provided to be rotated in s predetermined direction, a reduction gear train for decelerating the rotating motion of the driving motor, and crank mechanism for transmitting the rota... | 12/16/1986 |
| 4627158 | Apparatus for setting doors to vehicle bodies An apparatus for setting a door to a vehicle body comprises a robot movable along a vehicle body assembly line and operative to hold and carry a door with a predetermined working path, a plurality of pallets for sorting and storing doors of plural differe... | 12/09/1986 |
| 4628208 | Radiation image storage panel A radiation image storage panel comprising a support and at least one phosphor layer provided thereon which comprises a binder and a stimulable phosphor dispersed therein, wherein the support is a resin film containing a white pigment.... | 12/09/1986 |
| 4627656 | Seat for automobile An automobile seat comprising a seat bottom rotatable around a transverse axis approximately parallel to a car body floor, a seat back inclinably mounted on the seat bottom, a seat bottom lock for releasably locking the seat bottom to the floor, a seat ba... | 12/09/1986 |
| 4627394 | Cylinder block for internal combustion engine In a cylinder block for an internal combustion engine, a pair of opposed side walls thereof extending in the direction of the row of cylinders therein are respectively formed of a plurality of bight portions. The bight portions in each side wall differ in... | 12/09/1986 |
| 4627311 | Automotive driving control system utilizing a stepless transmission An automotive driving control system comprises a stepless transmission provided between the engine and the driving wheels, a transmission controller for controlling the transmission ratio of the stepless transmission, a throttle valve driver for driving t... | 12/09/1986 |
| 4626205 | Nozzle structure for air flow soldering/desoldering Nozzle structure suitable for bringing heated fluid into contact with a plurality of terminals of a modular electronic component to facilitate attachment of the component to a substrate or removal therefrom. The nozzle structure comprises a conduit formin... | 12/02/1986 |
| 4626774 | Method and arrangement for measuring the contamination of a capacitive dew-point sensor A dew-point measuring instrument has a capacitive dew-point sensor 1 which is cooled by a cooling device 17 to the dew-point temperature measured by a temperature sensor 8. A phase measuring circuit 14 measures the phase angle of the impedance of the capa... | 12/02/1986 |
| 4621830 | Automotive suspension system An automotive suspension system comprises a wheel support for supporting a wheel, and a wheel supporting member for connecting the wheel support to the vehicle body. The wheel supporting member includes front and rear resilient bushings spaced from each o... | 11/11/1986 |
| 4622432 | Photoelectric conversion device A photoelectric conversion device in which a plurality n (n being an integer large than one) of semiconductor elements U1 to Un are sequentially formed on a substrate in a side-by-side relation and connected in series one after anoth... | 11/11/1986 |
| 4620450 | Method of evaluating tightening condition of screw When tightening a screw member with a nut runner, the turning angle of the screw member and the tightening torque of the same are detected. The ratio of increase in torque to increase in the tightening turning angle, that is, the torque increasing rate is... | 11/04/1986 |
| 4621196 | Radiation image storage panel A radiation image storage panel comprising a support, a phosphor layer which comprises a binder and a stimulable phosphor dispersed therein, and a light-reflecting layer provided between the support and the phosphor layer which contains a white pigment, c... | 11/04/1986 |
| 4620659 | Device for attaching modular electronic components to or removing them from an insulative substrate The invention is a device for attaching or removing electronic components from a substrate and includes a nozzle for delivering heat to the terminal areas of the substrate. The nozzle includes a first plate, spaced from the component, having openings corr... | 11/04/1986 |
| 4620519 | Fuel injection system for internal combustion engine An internal combustion engine is provided with a separately formed intake passage for each cylinder. Each intake passage is provided with a fuel injection valve. The fuel injection valve is controlled to inject fuel in the latter half of the intake stroke... | 11/04/1986 |
| 4619226 | Intake device for internal combustion engine A hollow drum-like surge tank is supported for rotation in a casing. The surge tank communicates with the atmosphere by way of an opening formed in one end thereof and with the interior space of the casing by way of communicating holes formed in the perip... | 10/28/1986 |
| 4620200 | Scan beam velocity-compensation recording system A recording medium scanning system includes a light source for generating a scanning light beam, a light modulator for modulating the light beam with a modulating signal, and a scanner for scanning a recording medium with the modulated light beam emitted ... | 10/28/1986 |
| 4617897 | Intake system for internal combustion engines An intake system of an internal combustion engine is provided with a cross-sectional area changing means and a length changing means so that the cross-sectional area and/or the length of the intake system may be changed according to the change in the engi... | 10/21/1986 |
| 4618778 | Radiographic intensifying screen A radiographic intensifying screen comprising a support, a phosphor layer which comprises a binder and a phosphor dispersed therein, and a light-reflecting layer provided between the support and the phosphor layer which contains a white pigment, character... | 10/21/1986 |
| 4618393 | Hand labeling device A hand labeling device for imprinting and dispensing self-adhesive labels comprises a housing (110) in which is disposed a printing mechanism (10) movable between a raised inoperative position and a lowered printing position. The printing mechanism compri... | 10/21/1986 |
| 4618041 | Lock-up control system for a torque converter for an automatic transmission A lock-up mechanism for a torque converter for an automatic transmission is arranged to be selectively engaged to directly connect the output shaft and the input shaft of the torque converter when the operating condition of the engine is in a lock-up zone... | 10/21/1986 |
| 4616847 | Suspension system for vehicle In a suspension system for a vehicle, each of front and rear suspensions for respectively supporting the front and rear wheels is connected to the vehicle body by way of an adjustable-height supporting member which supports the vehicle body to be variable... | 10/14/1986 |
| 4617470 | Method and apparatus for detecting the leading edge of a sheet to be scanned Disclosed is a method and an apparatus for detecting the leading edge of a sheet which is on the way to the scanning-and-reading station of an image read-out system. Detection is performed by exposing, just ahead of the scanning-and-reading station, the t... | 10/14/1986 |
| 4617468 | Stimulable phosphor sheet with hydrophilic surface A stimulable phosphor sheet preferably employable in autoradiography which comprises a substrate, a phosphor layer being provided on the substrate and comprising a stimulable phosphor dispersed in a binder, and a protective layer provided on the phosphor ... | 10/14/1986 |
| 4616321 | Drilling rig monitoring system In a drilling rig of drill depth conventional structure, parameters of interest (e.g. rate of penetration and drill bit location, number of stands, monkey board position) are calculated and displayed by a unified electronic system. A weight transducer mea... | 10/07/1986 |
| 4616135 | Radiation image recording and reproducing method A radiation image recording and reproducing method which is improved in efficiency of erasure and comprises steps of: (i) causing a radiation image storage panel containing a divalent europium activated barium fluorohalide stimulable phosphor to absorb a radia... | 10/07/1986 |
| 4615308 | Auxiliary mechanism driving device in a V-type engine An improved, compact auxiliary mechanism driving device in a V-type, overhead-camshaft engine in which a driving section for engine auxiliary mechanism is mounted on a camshaft without increasing the overall size of the engine by utilizing a vacant or unu... | 10/07/1986 |
| 4615298 | Method of making non-crystalline semiconductor layer Substrates are disposed in a reaction chamber having a gas inlet and a gas outlet and a mixture gas containing at least a semiconductor material gas and a carrier gas is introduced into the reaction chamber in such a state in which a gas in the reaction c... | 10/07/1986 |
| 4615131 | Rotating display element and display unit using the same A rotating display element which is provided with a display surface member having a plurality of display surfaces which are selected by rotating the display surface member, and a display unit which uses the display element. The display surface member of t... | 10/07/1986 |
| 4615324 | Exhaust gas recirculation system for a V-type engine A V-type engine having a pair of cylinder banks set at an angle to each other is provided with a plurality of separate intake passages, each for one cylinder. The intake passages have respective proximate portions at which the intake passages to the cylin... | 10/07/1986 |
| 4614563 | Process for producing multilayer conductor structure A process for producing a multilayer conductor structure having at least two conductor patterns in layers and a smooth surface over the upper pattern, which comprises the steps of: (1) forming a first conductor pattern on a substrate or a layer provided on ... | 09/30/1986 |
| 4614163 | Ink pot for felt pens for inscribing posters or the like An ink pot for felt pens for inscribing posters or the like is described which comprises an ink container (3) and a cover (4) in which openings (5, 6, 7) are disposed for receiving felt pens (8, 9, 10). In the ink container (3) a suction funnel (20) is ac... | 09/30/1986 |
| 4614115 | Ultrasonic process and apparatus for monitoring and measuring the evolution with time of physico-chemical, biological or bacteriological phenomena Ultrasonic process and apparatus for monitoring and measuring the evolution with time of physico-chemical and biological phenomena. There is plunged into the medium or media (4) to be monitored a bar (3) into which ultrasound (2) is injected in order to c... | 09/30/1986 |
| 4612511 | FM demodulator including PLL and improved circuitry for eliminating distortion in the output thereof An FM demodulator having a phase comparator, a low-pass filter and a VCO including a variable capacitance diode, an input signal being applied to the phase comparator and a demodulated output signal being taken from the low-pass filter. The FM demodulator... | 09/16/1986 |
| 4611749 | Method of and system for assembling a plurality of parts into a unit A plurality of pivoted robots each having both a welding gun and a transferring member for transferring a part are arranged so that the swinging locus of each pivoted robot intersects with that of at least one of the other robots. A working station is pro... | 09/16/1986 |
