Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 5009120 | Manual control for adjustable steering column An infinitely adjustable manual control for a lengthwise adjustable automotive steering column of the type having a stationary outer member and an inner tubular member slidable telescopically in the outer member. The manual control includes a housing on t... | 04/23/1991 |
| 5009121 | Telescopic steering column device A telescopic steering column device comprising: a drive-side steering shaft; a driven-side steering shaft; a cylindrical inner column having an elongated hole in the axial direction; a cylindrical outer column having an opening corresponding the elongated... | 04/23/1991 |
| 5009122 | Sealed cable control system A sealed cable control system having an integral, internal air transfer system constructed and arranged to provide a continuous passage comprising a series of integral, internal unrestricted passages within and through the control system to maintain a rel... | 04/23/1991 |
| 5009123 | Camshaft A camshaft comprising a steel shaft and a plurality of cam pieces fitted on the shaft. The cam piece is made from a sintering alloy material and bonded to the shaft by sintering. The shaft has pin-receiving holes perpendicular to the axis of the shaft. Th... | 04/23/1991 |
| 5009124 | Wrist pin Wrist pins for use in pistons are described. The wrist pin comprises an elongate, substantially hollow member having two spaced-apart convex surface portions of substantially cylindrical or oval curvature, the two convex portions being connected by two wa... | 04/23/1991 |
| 5009125 | Speed control structure A speed control structure for a working vehicle comprises a hydraulic clutch, a main change speed device and an auxiliary change speed device mounted in a transmission case. A hydraulic control system includes hydraulic actuators for operating the change ... | 04/23/1991 |
| 5009126 | Hydrostatic-mechanical drive system Hydrostatic-mechanical gearbox for agricultural and construction vehicles with adjustable reducing gear ratio and a spring-loaded disk brake (19) incorporated in the mechanical gearbox (9) and which acts directly upon the driven shaft (11) of the mechanic... | 04/23/1991 |
| 5009127 | Transmission ratio control system for a continuously variable transmission A control system for a continuously variable transmission for a motor vehicle has a transmission ratio control valve for controlling the transmission ratio. The transmission ratio is controlled in accordance with a transmission ratio changing speed. The t... | 04/23/1991 |
| 5009128 | Indicating system for an automatic motor vehicle transmission An indicating system for an automatic motor vehicle transmission is described which includes second indicating elements in addition to first indicating elements for indicating a preselected driving step. The second indicating elements, particularly during... | 04/23/1991 |
| 5009129 | Transmission ratio control system for a continuously variable transmission A control system for a continuously variable transmission for a motor vehicle has a transmission ratio control valve for controlling the transmission ratio. The transmission ratio is controlled in accordance with a transmission ratio changing rate. At acc... | 04/23/1991 |
| 5009130 | Coaxial cable stripper A tool for stripping the insulation and screen layers from a coaxial cable has a body in which a plurality of spaced blades is supported by a carrier that is movable toward and away from a cable that may be located in a position to be engaged by the blade... | 04/23/1991 |
| 5009131 | Roof shingle stripper apparatus The apparatus has a housing which slidably mounts a blade assembly for reciprocation thereof, fore and aft, perpendicular to the longitudinal axis of the housing, for the purpose of cutting shingle nails. The blade assembly slides upon a plate, which term... | 04/23/1991 |
| 5009132 | Torque device Device in the nature of a wrench or the like in which reciprocatory rotary motion is converted to continuous rotation in one direction.... | 04/23/1991 |
| 5009133 | Surface protective fastener tool A surface protective fastener tool for avoiding abrasion of an underlying surface as a threaded fastener is rotated by a tool. Several embodiments of the surface protective fastener tool (10, 50, 70, 100, 120, 160, 200, 240, 260, 280, 280', and 300) are d... | 04/23/1991 |
| 5009134 | Quick-action bar clamp A bar clamp having a fixed jaw and a movable jaw which is radially movable over both short and long distances to clamp against a workpiece and is operable using one hand with complete control by the operator at all times. The jaws may either face one anot... | 04/23/1991 |
| 5009135 | Brake adjustment tool A tool and method of using the tool are provided for use in making brake backlash adjustments in heavy duty vehicles. The tool is specially designed to overcome a problem of locking collars for brake adjusting screws becoming stuck in retracted positions.... | 04/23/1991 |
| 5009136 | Turning machine A centerless turning machine for rods. The machine includes a cutter-head mounted at the front end of a rotating hollow shaft, and further includes a plurality of advancing rollers of an infeed device operatively mounted at the inlet end of the turning ma... | 04/23/1991 |
| 5009137 | Cutter module for a modular mailing machine A cutter module for a mailing machine having a support wall and base includes a cutter support member slideably mounted to one of the mailing machine support walls such that the cutter support member can be slideably displaced longitudinally traversed to ... | 04/23/1991 |
| 5009138 | Rotary cutter device A rotary cutter device, wherein the material to be cut is placed on a table which is rotatably mounted on a base, and cut by a cutting implement attached to an articulated cutter arm assembly mounted on the base. The articulated cutter arm assembly movabl... | 04/23/1991 |
| 5009139 | Check destripper An apparatus for orienting a check which has attached to it a corroborating paper strip in a manner such that the check and the paper strip are aligned relative to a cutting station to permit the check and the attached strip to be automatically presented ... | 04/23/1991 |
| 5009140 | Clamping apparatus for cut-off die set A clamping apparatus allowing an operator to securely position and clamp a cut-off die set to the carriage of a cut-off press. The clamping arrangement includes outwardly beveled sides on the die set coacting with an inwardly beveled stop and an inwardly ... | 04/23/1991 |
| 5009141 | Blade assembly for slicing food products An apparatus for slicing food products, including potatoes and the like, includes a plurality of perpendicularly intersecting knife blades of chevron configuration which are arranged in a substantially pyramidal formation. The apex of the pyramidal format... | 04/23/1991 |
| 5009142 | Means and method for automatic resonance tuning A method and apparatus is provided for the adjustment of resonance on a freely vibrating filament by the use of piezoelectric pushers which are solid state devices whose lengths change as a result of applied voltage. The pushers are configured in such a m... | 04/23/1991 |
| 5009143 | Eigenvector synthesizer An eigenvector synthesizer is provided for producing a wide range of musical sounds using a subset of eigenvectors of related sounds. The waveshapes of the eigenvectors can be scaled and summed to provide an accurate reproduction of the related sounds. Wi... | 04/23/1991 |
| 5009145 | Automatic performance apparatus having automatic synchronizing function An automatic performance apparatus provides a memory capable of storing plural parts of a desirable tune, wherein each part can be independently recorded or reproduced, regardless of recording or reproduction of another part. While performance information... | 04/23/1991 |
| 5009146 | Electronic percussion instrument having a memory function and a musical tone parameter control function During percussion performance, percussion data corresponding to states of percussion sequentially detected by percussion-detection section and tone pitch data corresponding to the sequentially struck percussion members are stored. The stored percussion da... | 04/23/1991 |
| 5009147 | Sound generating unit system for electronic instruments Disclosed is a system of sound generating units for generating musical sounds according to a sequential order in electronic musical instruments such as instruments comprising a keyboard, an electronic drum apparatus, a rhythm machine or an automatic perfo... | 04/23/1991 |
| 5009148 | Vehicle air exchange according to passenger load A system for controlling the amount of fresh air being introduced into a people mover vehicle. A variable flow exchange is provided based on the number of passengers in the vehicle thus controlling the amount of positive ventilation in relation to the pas... | 04/23/1991 |
| 5009149 | Roof vent A roof vent comprising a one piece plastic body including a base wall having transversely spaced rows of integral vanes extending from one surface thereof. The vanes of adjacent rows are positioned such that the vanes define a sinuous path. Preferably, on... | 04/23/1991 |
| 5009150 | Device for the heating or cooling of food-stuffs In an apparatus for the cooling of softly packaged food-stuffs, such as pouches with foods, said pouches are immersed inside a tank (52) into a cooling liquid with a density that is lower than that of the pouches. A floor is arranged inside the tank above... | 04/23/1991 |
| 5009151 | Barbecuing protective food support A cooking protective food support that includes a plurality of raised portions and a plurality of lower portions supports food to be cooked and collects cooking food juices. The support retains the cooking food juices so the food is self-basted or rehydra... | 04/23/1991 |
| 5009152 | Reverse diffusing baffle for applying sprout inhibitor to stored potatoes A diffusing baffle assembly (30) for use in diffusing a fog of sprout inhibiter chemical in the discharge of a potato storage ventilation fan centrally positioned in front of the discharge of fan (11) and having a central plenum (31) and with a plurality ... | 04/23/1991 |
| 5009153 | Device and method for bundling A bundling device (10) is disclosed as having a tie assembly (12) and a receptacle (14). The tie assembly includes a seat member (16), a drawband (18), and a plurality of ties (22) each having one end attached to the seat member and another end slidably a... | 04/23/1991 |
| 5009154 | Twine feeding apparatus for round hay balers A twine feeding assembly for round hay baling machines which incorporates one or more twine feed members which cooperate with freely rotatable first sheaves mounted intermediate sections of the main hay feed press roller and second freely rotatable sheave... | 04/23/1991 |
| 5009155 | Can crusher for household use A device, suitable for household use, for the purpose of crushing ordinary aluminum beverage cans between a movable and a stationary compression plate. The movable compression plate moves generally parallel to a can's axis, initially engaging the can at a... | 04/23/1991 |
| 5009156 | Multi-color rotary printing machine for simultaneous recto-verso printing The printing machine has two interacting blanket cylinders (4, 14), between which the paper to be printed runs through, thereby being printed on both sides, two plate cylinders (5, 15), each of which carries a collect-printing plate and is in contact with... | 04/23/1991 |
| 5009157 | Rotary press comprising an endless block belt A rotary press comprises one or more impression cylinders (1) and a plurality of printing units, each of which comprises an inking unit (I) and an endless block belt (4). The block belt (4) is trained around a plurality of cylinders (5, 6, 7, 8), one of w... | 04/23/1991 |
| 5009158 | Offset printing machine system To permit use of a yielding surface covering (19, 48) on an ink application cylinder (7, 32) in an offset printing machine, without slippage or rubbing between the ink application cylinder and an adjacent plate cylinder (5, 31), a drive is arranged betwee... | 04/23/1991 |
| 5009159 | Printing unit A printing unit comprises an impression cylinder (3) and an inking roller (4) adjustably spaced from the impression cylinder (3) by means of a pair of first lever arms (10) which are pivotal and eccentrically mounted in relation to the axis of rotation (1... | 04/23/1991 |
| 5009160 | Transfer cylinder for printing press A transfer cylinder for a printing press having a film of polycarbonate bonded to the surface. The film has a matte surface over which a film of silicone is applied.... | 04/23/1991 |
