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A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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| Number | Title | Issue Date |
| 4083575 | Vehicle suspension system A kit for altering the front suspension of an automobile or other vehicle which has a pair of independent front axles, to provide greater clearance for traversing rough terrain normally requiring the use of four-wheel drive vehicles that cost more and hav... | 04/11/1978 |
| 4071298 | Laser Raman/fluorescent device for analyzing airborne particles A laser Raman/fluorescent electro-optical device is described for counting, sizing, weighing and assaying airborne particles, whereby the physical state of the atmosphere may be monitored.... | 01/31/1978 |
| 4071032 | Implantable living tissue stimulators An implantable living tissue stimulator is described with a current conductive protective shield, to prevent the flow of currents to or from the stimulator circuitry via the electrically conductive body fluid. Also disclosed is an implantable living tissu... | 01/31/1978 |
| 4070113 | Coherent optics blood cell classification system A system for classifying the various major types of blood cells is provided wherein blood cells are passed before a laser beam. The redirected light energy passing through the cell is applied to a detector array which provides a voltage spectrum represent... | 01/24/1978 |
| 4068528 | Two position rotary valve for injecting sample liquids into an analysis system Several embodiments of a two-position rotary valve for injecting a liquid sample into a stream of solvent, flowing through a liquid chromatographic column, are disclosed. The valve is switchable between a Load position and an Inject position. The valve in... | 01/17/1978 |
| 4068239 | Latent magnetic image transfer method and apparatus A copying machine which includes a thin flexible sheet with a layer of chromium dioxide, a lamp for shining light at the sheet and a document to be copied to form a magnetic image on the chromium dioxide layer, a drum having a layer of nickel cobalt, a tr... | 01/10/1978 |
| 4067408 | Balance mechanism A balance mechanism for automatically lifting known weights in a single-arm balance comprised of two plates, a first plate supporting the known weights and a pan for an unknown mass to be weighed and a second counterbalancing plate coupled to the first th... | 01/10/1978 |
| 4067057 | DC to AC switching converter A regulated DC to AC power converter of the switching type for providing AC power at a selected output frequency, e.g., 50 Hz, is disclosed. The converter, which eliminates the need for an inverter transformer, is switched at a switching frequency which i... | 01/03/1978 |
| 4066988 | Electromagnetic resonators having slot-located switches for tuning to different frequencies In a waveguide resonator, either coaxial or noncoaxial, there are inserted spaced slots which establish inductances in series with the waveguide structure at the location of each slot. These slots tune the resonance of the waveguide cavity, which would ge... | 01/03/1978 |
| 4066299 | Apparatus for locating a malfunctioning brake control valve on train Each car on a freight train is equipped with what is called a brake control valve. This valve is in the automatic air brake system and causes the air brake on the individual car to be applied when the pressure in the main brake pipe which runs throughout ... | 01/03/1978 |
| 4066256 | Amusement ride A relatively inexpensive and compact ride for an amusement park and the like, which creates the illusion that the passengers are seated in a rapidly maneuvering vehicle, by applying forces to the passenger in synchronism with the display of a motion pictu... | 01/03/1978 |
| 4067020 | Noninterrupt ink transfer system for ink jet printer In an ink jet printing system, there is provided an arrangement whereby the ink, which is not used in printing, may be returned to the reservoir from which it was withdrawn, together with fresh ink, in a manner so that ink pressure fluctuations, together ... | 01/03/1978 |
| 4065729 | Monolithic PNPN injection laser optical repeater A monolithic PNPN injection laser diode operating as an optical repeater is comprised of a direct band-gap semiconductor material, such as essentially GaAs, epitaxially grown in five layers with the first, third and fifth layers of GaAsAl and the second a... | 12/27/1977 |
| 4064472 | Compact inductor A miniature inductor comprising a sheet metal frame having a slot that divides the frame into two separated halves, each half having a pair of upstanding tabs and a pair of inclined tapered flanges. A plate of insulating material extends across the slot a... | 12/20/1977 |
| 4062222 | Golf club swinging apparatus A golf-club and golf-ball testing apparatus, having a crank arm driven by a main drive shaft, drives a club swinging arm through a secondary drive shaft supported by bearings on the end of the crank arm and turned by a planetary gear which meshes with tee... | 12/13/1977 |
| 4056073 | Boat thruster An improved bow thruster including a diverter valve with an inlet connected to a water pump, a pair of outlets extending to either side of the boat, a valve mechanism for accurately controlling the amount of thrust obtained from both outlets, and a deflec... | 11/01/1977 |
| 4055814 | Phase locked loop for synchronizing VCO with digital data pulses A phase-locked loop is provided with a phase detector capable of providing phase error magnitude and direction information for synchronizing a voltage controlled oscillator with a train of data pulses spaced apart in integral multiples of a fundamental cl... | 10/25/1977 |
| 4054283 | Fan fold form stacker Apparatus for stacking fan-folded paper including an oscillating chute through which paper received by the stacker from a printer passes toward a pedestal on which the paper is to be stacked. The stacker receives line strobe signals from the printer indic... | 10/18/1977 |
| 4053774 | X-ray exposure sensor and controller An exposure controller for x-ray equipment is provided, which comprises a portable and accurate sensor which can be placed adjacent to and directly beneath the area of interest of an x-ray plate, and which measures the amount of exposure received by that ... | 10/11/1977 |
| 4051847 | Anesthesia rebreathing apparatus A general anesthesia rebreathing system comprised of a disposable portion adapted to be easily coupled to and decoupled from a permanent portion. The disposable portion includes conventional breathing tubing for coupling a source of fresh gas, as from an ... | 10/04/1977 |
| 4051433 | Signal responsive burst period timer and counter for laser doppler velocimetry and the like A signal responsive burst period timer and counter is provided for laser Doppler velocimetry, and the like, by bandpass filtering a signal burst and testing the filtered signal for exceeding a first level (VO -VL) and a second level ... | 09/27/1977 |
| 4049056 | Oil and gas well stimulation A method for stimulating oil and gas wells to increase production including filling the lower portion of the well above the pay zone level having exposed rock with a fracturing fluid, and sealing the well above the lower portion. A shock wave is then appl... | 09/20/1977 |
| 4049902 | Connector for coaxial cables An RF connector for coaxial cables to be interconnected through a conductive wall. A cylindrical housing open at one end is closed at the other by a base having a centered aperture to receive just the inner conductor and insulation of one cable, and havin... | 09/20/1977 |
| 4047164 | Read and write drive system for a 21/2D coincident current magnetic core memory A read and write drive system is disclosed for a 21/2D coincident current magnetic core memory of the type in which for each word bit, bit lines threaded through the magnetic cores are arranged in a matrix of M groups, each of N bit lines. The drive syste... | 09/06/1977 |
| 4046186 | Cargo container opening cover A weatherproof cover for an opening in a cargo container comprising a flexible curtain secured across the top of the opening by a header, rails secured to the sides and bottom of the opening with flanges extending away from the opening, and a cable in a t... | 09/06/1977 |
| 4025927 | Multilayer magnetic image recording head A head for producing magnetic images of fine detail, including a group of recording elements spaced perpendicular to the movement of a magnetic tape and a power source that passes current pulses through the recording elements to create magnetic fields tha... | 05/24/1977 |
| 4025425 | Purification apparatus Apparatus is described for purifying waste water or other feed fluid, which includes a stack of membrane packs wherein each pack contains a conduit sheet, a pair of support sheets of filter paper or the like, each lying against a face of the conduit sheet... | 05/24/1977 |
| 4018033 | Daylight film handling system A system for enabling X-ray films, of the type primarily used in the dental and medical fields, to be handled in daylight for exposure to X-rays. The system utilizes identical film sheets emulsion coated on one or both faces, each sheet having a notch, di... | 04/19/1977 |
| 4013289 | Tennis racket A tennis or squash racket is provided wherein, by changing the number of strings in the racket and rearranging their location the shock of the impact of the ball upon the racket is resiliently absorbed over a longer period of time than heretofore, and a b... | 03/22/1977 |
| 4012105 | Coaxial electrical connector A coaxial connector in which the receptacle includes an outer shell that contains a sliding ring-shaped contact which is urged forwardly by a coil spring, the coil spring having a few turns at its rearward end which are firmly captured so that a low resis... | 03/15/1977 |
| 4011749 | Vibration testing system A multi-degree-of-freedom shock and vibration testing system which includes a specimen-holding table having short projections engaged by hydraulic actuator assemblies. Each actuator assembly includes a pair of hydraulic actuators on opposite sides of the ... | 03/15/1977 |
| 4012753 | Film processor A reliable machine for developing film, which minimizes the possibility of damage to the film surface and which provides close control of processing conditions. A film strip is pulled by a detachable member attached at the front end of the strip, and is g... | 03/15/1977 |
| 4012791 | Disk drive apparatus A flexible magnetic disk drive system including a read/write head carried by a carriage that is threadably engaged with a lead screw, but with the head carriage being free to pivot a fraction of a turn about the axis of the lead screw to move the head aga... | 03/15/1977 |
| 4012235 | Solid phase epitaxial growth A solid phase epitaxially grown semi-conductor is described wherein a thin film of a semi-conductor material together with a thin film dopant are transported through a metal film onto a substrate, using a temperature below the eutectic temperature for the... | 03/15/1977 |
| 4010500 | Mooring terminal A mooring terminal for deep water mooring is provided having a mooring head to which ships can be attached while either receiving or unloading liquid products. The mooring head is constructed so that it can accommodate all motions of the ship and includes... | 03/08/1977 |
| 4011528 | Semi-lumped element coupler A coupling circuit for use at microwave frequencies comprising two conductors each having substantially the shape of a W, which conductors are deposited on a substrate in a manner so that the bases of W's oppose one another to form two semi-lumped capacit... | 03/08/1977 |
| 4011474 | Piezoelectric stack insulation By filling the container of a piezoelectric stack with a dielectric fluid under sufficient pressure, or applying sufficient pressure to a solid dielectric, to maintain dielectric particle velocity and piezoelectric particle velocity substantially spaced, ... | 03/08/1977 |
| 4008883 | Blender A portable blender which can be dipped into a vat containing liquid with vegetables or fruit, including a tube with slots near the bottom, a motor-driven shaft mounted on sealed precision bearings at the upper portion of the tube, a group of blades fixed ... | 02/22/1977 |
| 4007886 | Line winder Apparatus for winding a fishing line or the like onto or off from a variety of fishing reels, including a pair of reel holders positioned on opposite sides of the reel with one of the holders being rotatably driven as by a motor. One of the reel holders i... | 02/15/1977 |
| 4006748 | Implantable unipolar pacemaker with improved outer electrode plate A unipolar living tissue stimulator of the implantable type with an outer plate electrode which in one embodiment consists of a flat metal plate slotted by slots to form a plurality of electrically conductive strips. Each strip is electrically in contact ... | 02/08/1977 |
