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| Number | Title | Issue Date |
| 4033389 | Interlock and latching systems for a dispensing nozzle An interlock system for use on a conventional gasoline dispensing nozzle with an automatic shut-off system is disclosed. The interlock system includes a valve mounted in the discharge spout and connected to the vent tube so that when the valve is in its o... | 07/05/1977 |
| 4027301 | System for serially transmitting parallel digital data A system for transporting parallel digital data in which the parallel digital data is converted to serial digital data, transported as serial digital data, and then reconverted back to parallel digital data. Each parallel digital word to be transported is... | 05/31/1977 |
| 4022142 | Ice cutter having injection of low density fluid An ice cutting system in which a low density fluid, such as air or exhaust gas, is injected into the cutting region. The injection of the low density fluid results in a more efficient cutting operation, and also reduces the buoyancy of the ice chips resul... | 05/10/1977 |
| 4023102 | Test fixture A test fixture designed to measure selected electrical parameters of a wax which is utilized as a dielectric in telephone transmission lines. The test fixture is mounted on top of and plugged directly into a commercially available Q (quality factor) meter... | 05/10/1977 |
| 4021773 | Acoustical pick-up for reception of signals from a drill pipe An acoustical pick-up apparatus for use with a borehole acoustical telemetry system and which may be positioned on a drilling rig at a number of locations above the drill pipe, includes an electro-acoustical transducer coupled to a pick-up block having an... | 05/03/1977 |
| 4020954 | Ship loading ramp On a ship, a folding structure serves a dual function of a stern door in its folded position and a ramp in its unfolded position. The first and second decks of the ship have internal ramps which angularly swing up and down to accommodate different heights... | 05/03/1977 |
| 4019031 | Register price wheel structure In order to increase the "sale" or "cost" registering capacity of a standard, conventional three-wheel register (counter) used in gasoline dispeners, a modified price wheel has been developed as a substitute for the lowest-order price wheel of a conventio... | 04/19/1977 |
| 4009962 | Emission spectroscopic system having compensation for background radiation A spectroscopic system for measuring the discontinuous far infrared radiation emitted by a semi-transparent material, and including compensation for background, graybody, emitted radiation. In a first embodiment, a system is disclosed for measuring the far inf... | 03/01/1977 |
| 4008865 | Valve for pneumatic tube transporting system An improved valve for separating and sealing adjacent pneumatic tube sections of a pneumatic tube delivery system. The valve includes a pair of flap seals positioned on opposite sides of the travel path of a carrier through the valve. Each flap seal is sp... | 02/22/1977 |
| 4009373 | Electro-mechanical counting register A register designed to count and display cost on a gasoline dispensing pump. The register has a 100 cent wheel which is driven by a stepping motor. As the 100 cent wheel rotates it biases a spring which, after the 100 cent wheel has completed a revolution... | 02/22/1977 |
| 4007755 | Component injection system A system for injecting a predetermined amount of additive fluid into a main stream of fluid which controls the amount of additive injected by a timing circuit. A pump continuously circulates the additive through a circuitous path having a valve which dive... | 02/15/1977 |
| 3997786 | System for spectroscopic analysis of a chemical stream A system for performing an on-stream analysis of the chemical composition of a refinery stream. A U-shaped radiation waveguide having a plurality of small apertures therein is inserted into the refinery stream. Far infra-red radiation is introduced into o... | 12/14/1976 |
| 3996977 | Automatic dispensing nozzle adapted for vapor recovery In order to prevent malfunctioning of an automatic liquid fuel dispensing nozzle which is being used for vapor recovery while dispensing, the pressure inside the tank (into which liquid fuel is being dispensed) is used as a reference pressure for the actu... | 12/14/1976 |
| 3997886 | Liquid contamination detector A system for detecting the presence of a contaminating fluid in other, normal fluids. In one embodiment the system detects the presence of hydrocarbons in a liquid which is normally water. A barrier which is soluble in hydrocarbons but insoluble in water ... | 12/14/1976 |
| 3995440 | Vapor control system A system for preventing substantial pollution of the atmosphere by benzene vapors displaced from a tank truck during loading of the truck with benzene. The benzene is loaded into the truck at its ambient temperature, and benzene vapors displaced from the ... | 12/07/1976 |
| 3990253 | Method for constructing an ice platform A work platform for oil drilling, oil production, or other purposes is constructed in arctic waters by locating a natural ice island of suitable area and thickness, and moving it to the desired platform location. The ice island is anchored to the sea floo... | 11/09/1976 |
| 3984661 | Price calculating and indicating circuit for dispensers In a liquid dispensing apparatus, a train of control pulses are produced at a rate representative of equal fractional parts of a unit volume of the liquid being dispensed, and for each of these control pulses a divider gates to an output circuit a number ... | 10/05/1976 |
| 3982776 | Apparatus for connecting submarine pipelines to offshore structures For connecting an offshore structure to a submarine pipeline, a vertically-extending pipeline is built as an integral part of the structure and is provided with a receiver fitting at its lower end which is adapted to mate with a connector fitting provided... | 09/28/1976 |
| 3971090 | Loading ramp securing system A system for coupling a loading ramp to a ship which allows a substantial amount of movement of the ship relative to the pier. The end of the loading ramp secured to the ship includes a lever arm coupled to each side of the ramp. Each lever arm includes a... | 07/27/1976 |
| 3971249 | Mechanical testing system A system for diagnosing the condition of mechanical equipment, and particularly the condition of bearings in rotating machinery. Vibrations from the mechanical equipment are detected by a wide range acoustical detector. A sweep voltage generator causes a ... | 07/27/1976 |
| 3968570 | Electronic sextant An improved sextant which provides a very accurate angular measurement of the position of a celestial body relative to the horizon. The sextant is a typical prior art sextant having a horizon glass and an index mirror, and wherein the sextant is sighted b... | 07/13/1976 |
| 3956705 | Pulse rate comparison circuit Pulses produced by a stream flowmeter, at a repetition rate proportional to the actual flowrate of a liquid, are compared in a counter arrangement with pulses whose repetition rate is the demand flowrate for this liquid. The circuit produces an alarm when... | 05/11/1976 |
| 3946773 | Automatic dispensing nozzle adapted for vapor recovery In order to prevent malfunctioning of an automatic liquid fuel dispensing nozzle which is being used for vapor recovery while dispensing, the pressure inside the tank (into which liquid fuel is being dispensed) is used as a reference pressure for the actu... | 03/30/1976 |
| 3941148 | Control valve drive A system for controlling a pneumatic rising stem valve by a stepping motor is disclosed. A pressure regulator is connected to the stepping motor so that the air pressure applied to the valve can be varied according to the signals applied to the stepping m... | 03/02/1976 |
| 3935659 | Phosphorescent fishing lure A fishing lure having a phosphorescent material applied thereto, which after irradiation will itself radiate light. A first embodiment of the invention illustrates a fishing spoon which is adapted to rotate in the water, and which has a phosphorescent coa... | 02/03/1976 |
| 3936214 | Pumping two-phase fluids A centrifugal pump of rotating case and fixed arm configuration having a plurality of orifices on the stationary arm to accomodate multi-phase flow whereby the mixed phase charge is separated and discharged at high pressure due to centrifugal force create... | 02/03/1976 |
| 3934756 | Blending-type motor fuel dispensing apparatus A blending-type motor fuel dispensing apparatus operates to blend together, in various proportions, two liquid motor fuels (gasolines) of different octane ratings, to produce various grades of product. The quantity and cost displays, and also the automati... | 01/27/1976 |
| 3933039 | Pulse flow detector A circuit for detecting flow pulses in a fluid stream includes a thermistor placed in the fluid stream for sensing changes in the flow rate, an R-C filter in circuit with the thermistor for passing pulses having a specified minimum flow rate change, and a... | 01/20/1976 |
