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Patent # Description
US-4,003,693 Flare stack gas burner
A flare stack gas burner for waste combustible gas from oil refineries, chemical plants, oil production rigs, LPG and other marketing terminals, pipe lines and...
US-4,003,692 High velocity burner
The burner is capable of operating either on gas or fuel oil and includes a burner block with a high velocity discharge nozzle. Combustion air for the burner is...
US-4,003,691 Recirculating burner
A burner for burning a vaporizable liquid fuel comprising a cylindrical combustion chamber, the combustion chamber having an inlet and an outlet, a cylindrical...
US-4,003,690 Closure device
This invention relates to a downstream closure device for apparatus used in treating large-diameter insulated electrical conductors, the device comprising a main...
US-4,003,689 Die-gap adjusting means
An adjusting means for controlling the thickness of extrudate exiting from a die. The adjusting means includes a non-flexible block, connected to the die and...
US-4,003,688 Revolving cylindrical escapement extrusion apparatus for shaping foodstuff articles
A revolving cylindrical escapement extrusion apparatus for shaping foodstuff articles of the type having a nozzle orifice slot and means for feeding foodstuff...
US-4,003,687 Press plate having heating means and adapted for use in single-storey or multi-storey presses for the...
A press plate for presses used in the manufacture of fibreboard, chipboard, laminarboard and the like, in which heating of the press plate is effected by passing...
US-4,003,686 Moulding press
A moulding press of circular type with a central moulding drum and peripherally-mounted press shoes movable radially to an inner closed position in which they...
US-4,003,685 Apparatus for molding plastic pipe with enlarged portions formed therein
Apparatus for molding a plastic pipe having spaced apart enlarged sleeve portions formed therein along its length and wherein a tube of hot plastic material is...
US-4,003,684 Apparatus for treating webs of filtering material for tobacco product filters, particularly cigarette filters
Improved apparatus for treating a web of fibrous material, usually paper, to render it particularly suitable for making filter plugs for cigarettes, including at...
US-4,003,683 Apparatus for pyrolytic treatment of solid waste materials to form ceramic prills
Solid waste material is disposed of and a portion thereof converted into valuable refractory prills by use of a reactor having a substantially vertical pyrolysis...
US-4,003,682 Rotary piston engine having continuous torque characteristics
A rotary piston engine is disclosed of a novel, geometric construction whereby substantially pressure dependent operation is ensured along with continuous torque...
US-4,003,681 Positive-displacement unit with coaxial rotors
Two coaxial rotors are connected with a counter-shaft through two pairs of varying-motion gears of opposite phase. The two gears of each pair differ from each...
US-4,003,680 Swash-plate compressor
A swash-plate type compressor is provided with an improved internal arrangement for lubricating internal moving elements, such as bearings, pistons and shoes...
US-4,003,679 High pressure pump with metering
A pumping system is provided in which a low pressure metering pump injects fluid charges into a high pressure pump which in turn operates into a high pressure...
US-4,003,678 Fluid operated well turbopump
A fluid operated turbopump, suitable for use in an oil well pumping system, is structurally adapted as either a hydraulically insertable and removable unit or as...
US-4,003,677 Fan assembly with blades secured between two hub members
A fan comprises a flat disc sandwiched between two hub members, together with two or more blades, ech blade having a boss with a slit so that the boss straddles...
US-4,003,676 Windmill blade and processes related thereto
A windmill blade that has a rigid leading edge, a rigid root portion and a movable blade tip. Control of the geometric twist of the windmill blade is ...
US-4,003,675 Actuating mechanism for gas turbine engine nozzles
A mechanism for varying the position of a plurality of nozzle vanes in a gas turbine engine. The mechanism includes a single double-acting hydraulic actuating...
US-4,003,674 Hydraulic turbine draft tube pressure stabilizer
A hydraulic turbine having means for admitting air to the turbine draft tube. An annular air chamber about the draft tube has a plurality of circumferentially...
US-4,003,673 Fluid pressurizer
A method and apparatus for the pressurizing of fluids wherein a rotor is rotated on a shaft and the rotor is provided with an entry for the fluid at center, a...
US-4,003,672 Internal combustion engine having coaxially mounted compressor, combustion chamber, and turbine
A turbine-type internal combustion engine comprising a support having coaxially mounted bearings, and a rotor assembly having shaft members rotatably mounted in...
US-4,003,671 Method and means to prevent cavitation erosion in propeller ducts
The invention relates to a method and a means to prevent cavitation and/or erosion in propeller ducts, and the invention is generally characterized in that air...
US-4,003,670 Block boring tool
A holder for a cutting tool bit in the form of an elongated block and an elongated tang is disclosed. The tang has provision for supporting a throw-away tip. The...
US-4,003,669 Anti-corrosive insert for sucker rod couplings
This invention provides a substantially tubular sealing insert for use with a sucker rod for an oil well and a coupling adapted to engage the end of the sucker...
US-4,003,668 Threaded broom pole adapter
A plastic adapter or connection for a broom or mop pole handle including a screw threaded area for securement to the broom head and a socket thereon for the...
US-4,003,667 Lubricatable ball joint assembly
A ball joint assembly having a ball stud member received in a socket member. The ball of the stud member is retained in a recess of the socket member by a...
US-4,003,666 Ball joint assembly
A ball joint assembly having a ball stud member received in a socket member. The ball of the stud member is retained in a recess in the socket member by a main...
US-4,003,665 Method for the manufacture of writing instruments
A stylus is assembled from a plastic tip having an axial bore and an ink tube in said bore centered therein and welded thereto. Ultrasonic welding is used for...
US-4,003,664 Mechanical pencil with lead feed responsive to writing pressure
A mechanical pencil, especially for thin leads, in which a tubular guide projects from and is guided for movement in axial direction in one end of a tubular...
US-4,003,663 Device for calibrating instrument that measures circular dichroism or circularly polarized luminescence
A device for calibrating an instrument that measures circular dichroism has a transparent dielectric plate rotatably mounted in a framework so as to be rotatable...
US-4,003,662 Portable photometer
A photometer for measuring the light permeability of a material for testing is made portable for hand-held operation outside a laboratory for measurements such...
US-4,003,661 Apparatus for detecting contamination of liquid
In apparatus for detecting the degree of contamination of liquid of the type wherein the quantity of light transmitting through a liquid sample is detected, a...
US-4,003,660 Sensing head assembly for multi-color printing press on-line densitometer
A sensing head assembly for a multi-color printing press on-line densitometer movably mounted on support members that extend across the width of a printed web of...
US-4,003,659 Single plane corner reflector guidance system
A laser attitude detection and guidance system which uses a number of gro base laser transmitter/detector stations and at least two retroreflecting arrays on...
US-4,003,658 Triangular interferometric light-source tracker
A system is described for tracking the position of a light source by mounting two orthogonal triangular interferometric systems on a gimbaled platform. The...
US-4,003,657 Rotating support table and drive for an Echelle grating
The position of a diffraction grating in a spectral device is controlled by an arm fixed to a rotatable table supporting the grating. The arm rests against a cam...
US-4,003,656 Fingerprint scanning device
A method and apparatus for rapidly scanning the finger of an individual with a monochromatic beam of light and for producing an output in accordance with the...
US-4,003,655 Hybrid silicon avalanche quadrant detector
A method and apparatus for retrofitting an airborne laser tracker with a er ranging capability is described. A silicon avalanche detector is mounted within the...
US-4,003,654 Contact print test window
A sheet of opaque material has a window therein and marks on the sheet indicating the positioning of an edge of a test print for placement over the window to...
US-4,003,653 Method of producing color slides from black and white originals
In the method of producing color slides from black and white originals, a light box, a glass plate and a camera are used. Also utilized is a positive and...
US-4,003,652 Shutter-opening presetting mechanism for motion picture copying apparatus
Variation in the width of the shutter opening in a motion picture film copying machine is rapidly effected to control the amount of light passed through the...
US-4,003,651 System for recording images received by facsimile
A system of image formation in combination with a facsimile recording system in which a latent image is formed on a photosensitive plate through an optical...
US-4,003,650 Controller for reproduction apparatus
A copier or reproduction machine of the type having a photoconductive plate, corona generating means to charge the plate in preparation for imaging thereof,...
US-4,003,649 Electrophotographic halftone printing machine employing a phase screen
Apparatus for optically imaging a halftone pattern on a xerographic photoreceptor to produce color copies of a color original. The apparatus includes a phase...
US-4,003,648 Apparatus for making electrical contact with an electrophotographic film
Disclosed is electrical connective means for establishing electrical contact with an electrically conductive area on the surface of an electrophotographic film...
US-4,003,647 Claw mechanism
A claw mechanism for the transport of a film in a film projector. A claw arm is disposed parallel to the transport path and pivotable about an axis transverse to...
US-4,003,646 Cine cameras
A cine camera with an exposure regulating device for regulating the aperture during operation with a continuously driven shutter and having means for stopping...
US-4,003,645 Film-handling apparatus
A film strip is continuously advanced past a film gate of a camera or a projector while light coming from the strip through the film gate is reflected by a...
US-4,003,644 Cinematographic viewer-projector
A projector and/or viewer (monitor) for motion-picture films continuously unwinding and winding on a spool within a magazine, characterized by comprising: a...
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