Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 4675491 | Process and apparatus for monitoring thermal stresses in an electrode wire in an EDM apparatus In a travelling wire EDM apparatus in which a workpiece is cut by an electrode wire by electrical discharges between the wire and the workpiece, a detector circuit detecting each electrical discharge occuring in each sector along the length of the wire in... | 06/23/1987 |
| 4667560 | Mute for string musical instrument A mute made of a block of sound-deadening thermoplastic elastomer having a longitudinal slot for placing over the top edge and portions of the surface of a string musical instrument bridge. Cut-out portions are provided forming slots for passage over the ... | 05/26/1987 |
| 4666473 | Separator for gases and liquids A fluid separator for separating a liquid, such as an oil mist from a gaseous fluid, such as compressed air, the oil mist having been introduced into the compressed air in a compressor. The separator comprises a coarse separation section provided with an ... | 05/19/1987 |
| 4661678 | EDM apparatus provided with means for holding a portion cut off from the workpiece In a travelling wire EDM apparatus for effecting a cut by electrical discharges on a workpiece blank by an electrode wire, the workpiece blank is supported by two support members mounted on a rotary table, one support member being disposed in the interior... | 04/28/1987 |
| 4659893 | Method and apparatus for controlling the gap conditions in travelling wire EDM by electromagnetic force An arrangement for applying an electromagnetic force on the electrode wire of a travelling wire EDM apparatus by passing through the workpiece an auxiliary current parallel to the current flowing through the electrode wire, in one direction or the other. ... | 04/21/1987 |
| 4653550 | Portable refillable inflator The portable refillable inflator for air mattresses, inflatable balls, pneumatic tires and the like, in the form of a tubular vessel provided at each end with an inverted domed wall. One wall is provided with a conventional tire inflation valve for fillin... | 03/31/1987 |
| 4652717 | Selective power supply for travelling wire EDM apparatus In a travelling wire EDM apparatus the thermal stresses of the electrode wire are substantially reduced by detecting the position of the triggering electrical discharges preceding the machining electrical discharges, and by controlling the supply of the m... | 03/24/1987 |
| 4652716 | Process and mechanism for threading the electrode wire of an EDM apparatus A method and apparatus for threading the electrode wire of a travelling wire EDM apparatus through an aperture in a workpiece. Prior to automatically threading the wire through the aperture in the workpiece, the wire is continuously straightened by pullin... | 03/24/1987 |
| 4635952 | Steering knuckle and kingpin assembly A motor vehicle steering knuckle and kingpin assembly comprising a kingpin fixedly mounted through the motor vehicle front axle or beam with the end portions of the kingpin projecting above and below the front axle or beam. A wheel spindle knuckle is pivo... | 01/13/1987 |
| 4630576 | Intake valve rocker arms of certain six cylinder internal combustion engines In certain motor vehicles having six cylinder internal combustion engines, the excessive use of lubricating oil after the vehicle has been driven 50,000 miles is stopped by inserting a drive rivet into the radial oil passageway in the intake valve rocker ... | 12/23/1986 |
| 4628902 | Hot water distribution system A hot water distribution system for providing almost instantaneous supply of hot water at a hot water usage outlet. The system of the invention comprises a closed loop and a pump circulating hot water in the closed loop from a supply of hot water and back... | 12/16/1986 |
| 4624585 | Retainer bushing A retainer bushing for connecting a male member such as a shaft, rod or pin, for example the coupling pin of a motor vehicle clutch pedal, to a mechanical component having a bore accepting the shaft, rod or pin in the bore, for example the input member of... | 11/25/1986 |
| 4624291 | Method of prefilling modular hydraulic control apparatus A hydraulic control apparatus, more particularly for operating a motor vehicle clutch release mechanism, comprising a master cylinder, a slave cylinder and a conduit connecting the master cylinder to the slave cylinder. The apparatus is in the form of sep... | 11/25/1986 |
| 4624290 | Prefilled hydraulic control apparatus for motor vehicle A hydraulic control apparatus, more particularly for operating a motor vehicle clutch release mechanism, comprising a master cylinder, a slave cylinder and a conduit connecting the master cylinder to the slave cylinder. A leakproof quick-connect connector... | 11/25/1986 |
| 4617443 | EDM apparatus pulse generator An apparatus and method for improving the surface finish of a workpiece machined by an EDM apparatus having an electrode tool mounted in a tool holder insulated from the rest of the apparatus structure, the EDM apparatus comprising a pulse generator apply... | 10/14/1986 |
| 4615500 | Catalytic converter support hanger A replacement support bracket and hanger for a relatively expensive component of a motor vehicle exhaust system, such as the catalytic converter, and a method of salvaging such catalytic converter through the use of said replacement bracket. The original ... | 10/07/1986 |
| 4610389 | Method for treating a single side of a metallic sheet A method for treating a single side surface of a metallic strip, such as a steel strip, by soldering a pair of metallic strips back-to-back along their corresponding edges, preferably inserting a metallic edge insert strips between the two metallic strips... | 09/09/1986 |
| 4610126 | Method for transferring parts from a first conveyor to a receptacle on a second conveyor An apparatus and method for transferring parts travelling in a single row on a first conveyor to a receptacle travelling on a second conveyor, the parts being placed in the receptacle in consecutive rows of a plurality of the parts. A part loader, compris... | 09/09/1986 |
| 4609087 | Motor vehicle transmission having clutch operating hydraulic cylinder In a motor vehicle transmission comprising a clutch disposed in a bell housing and a gearbox having an input shaft driven through the clutch, the bell housing having a mounting face attached upon a corresponding mounting face on the gearbox, an annular hy... | 09/02/1986 |
| 4607670 | Modular prefilled hydraulic control apparatus A hydraulic control apparatus, more particularly for operating a motor vehicle clutch release mechanism, comprising a master cylinder, a slave cylinder and a conduit connecting the master cylinder to the slave cylinder. The apparatus is in the form of sep... | 08/26/1986 |
| 4606461 | Collapsible container A collapsible container made of a four-sided enclosure having two opposite panels foldable at their center and foldable relative to the two other opposite panels such that the enclosure may be collapsed by folding inwardly the two foldable panels. One unf... | 08/19/1986 |
| 4602610 | Dual-rate fuel flow control system for space heater A dual-rate fuel flow control system for the gaseous or liquid fuel supplied to the burner of a space heater, comprising a valve controllable to supply full fuel flow to the burner at the start of a heating cycle to deliver full heat to the heat exchanger... | 07/29/1986 |
| 4600155 | Machine for processing foodstuffs and other products, particularly for chopping and mixing the same A machine for processing foodstuffs comprising a tank whose position on a support base is determined by a finger projecting from the tank and engaged in a socket in the support base. The support base is part of a housing in which is disposed a drive motor... | 07/15/1986 |
| 4599863 | Compound internal combustion and external combustion engine A compound engine having at least one internal combustion cylinder operating in a conventional manner, and an air or external combustion cylinder associated therewith. The external combustion cylinder operates according to the same cycle as the internal c... | 07/15/1986 |
| 4599860 | Liquid pressure apparatus A method of shipping and installing a hydraulic system such as a motor vehicle clutch hydraulic release mechanism comprising a driver-operable hydraulic master cylinder, a hydraulic slave cylinder and a conduit connecting the outlet of the master cylinder... | 07/15/1986 |
| 4596175 | Reed mouthpiece for musical wind instrument A mouthpiece for a musical wind instrument. The mouthpiece has a casing and a reed attachment assembly mounted in a recess at the top of the casing. The reed attachment assembly has a bridge member pivotably connected to a frame. The foot of the reed is c... | 06/24/1986 |
| 4595391 | Ointment applicator A medication ointment applicator comprising a length of plastic film to which is attached a backing made of a length of elastic mesh material. The ointment is applied to the surface of the plastic film which is engaged with the skin of the user, the elast... | 06/17/1986 |
| 4590765 | Hydraulic cylinder modular structure A modular structure for a hydraulic cylinder permitting the cylinder to be used in combination with a reservoir of hydraulic fluid either installed on the cylinder itself or at a remote location with a conduit connection to the cylinder. The cylinder is p... | 05/27/1986 |
| 4588044 | Hawaii trapeze spreader bar A support device including a hook for suspending a person wearing the support device on a rope. The person may be fastened into the support device by means of a transverse belt attached to the upper torso, with the transverse belt extending through slots ... | 05/13/1986 |
| 4585109 | Motor vehicle clutch control mechanism A shipping and installation restraining strap for the output member of a clutch operating hydraulic slave cylinder disposed concentric to an input shaft driving a motor vehicle gearbox from a friction clutch. The output member takes the form of the clutch... | 04/29/1986 |
| 4585108 | Hydraulic slave cylinder for motor vehicle clutch control mechanism A hydraulic control mechanism for the friction clutch of a motor vehicle. The mechanism comprises a master cylinder, actuated by the motor vehicle clutch pedal, connected by a flexible line to a slave cylinder actuating the throw-out bearing of the clutch... | 04/29/1986 |
| 4585107 | Throw-out bearing carrier member for motor vehicle clutch control mechanism A slave cylinder disposed concentric to a shaft connecting a motor vehicle friction clutch to the input of the motor vehicle gearbox or transmission and comprising an annular cylinder disposed concentric to the shaft, the cylinder walls being formed by a ... | 04/29/1986 |
| 4585106 | Annular slave cylinder for motor vehicle clutch control mechanism A dust cover for a concentric slave cylinder installed in a motor vehicle transmission train surrounding the input shaft from a friction clutch to the gearbox. The dust cover is in the form of a cylindrical or tubular member, preferably made of plastic, h... | 04/29/1986 |
| 4584529 | Method and apparatus for discriminating between genuine and suspect paper money There is disclosed a paper money discriminating method comprising the steps of scanning and detecting magnetism contained in a print portion in a predetermined area of paper money, and checking number of pulses in a pulse signal converted from a magnetism... | 04/22/1986 |
| 4583027 | Moving magnet linear motor A linear electric motor having an oscillating linear armature disposed in proximity to a stationary stator and provided with an output member which can be directly coupled to a load. A power supply and control circuit is provided for matching the power in... | 04/15/1986 |
| 4582573 | Method for treating a single side of a metallic sheet A method for treating a single side surface of a metallic strip by applying two strips back to back with an insert disposed between the strips in engagement with the back surfaces of the strips for preventing introduction of the treatment solution between... | 04/15/1986 |
| 4581979 | Shipping and installation restraining clip for master cylinder input member A disposable shipping and installation clip holding in an extended position the input member of a linear actuator, such as the input member of a hydraulic master cylinder operating a remotely located slave cylinder connected to the master cylinder through... | 04/15/1986 |
| 4580463 | Winch for various shutters used for evacuation of smoke and ventilation purposes A winch operating a drum around which a control cable is wound, the control cable controlling the opening and closing of shutters and smoke exhaust vents. The drum is driven by a gear train which may be immobilized by an electromagnetic brake or lock, suc... | 04/08/1986 |
| 4579426 | Variable transparency window A variable transparency window assembly comprising a plurality of polarizing window elements, the first and second of said elements being fixedly secured to supporting structure with their respective principal axes of polarization mutually aligned and a t... | 04/01/1986 |
| 4577549 | Hydraulic cylinder provided with low friction plated internal surface A hydraulic cylinder, such as more particularly the master cylinder of motor vehicle hydraulic brake system or of a motor vehicle clutch hydraulic control system, provided with a relatively thin plated coating, autocatalytically or electrolessly deposited... | 03/25/1986 |
