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Patent # Description
US-4,419,119 Method of forming multifocal lens blank
A method of producing multifocal lens blanks by fusing a molten glass segment into a pressed countersink of a lens blank when it is being formed in which the...
US-4,419,118 Quartz glass and a process for making same
Quartz glass includes iron and aluminum. The total iron content ranges from 0.01 to 5% by weight, and the total aluminum content ranges from 0.01 to 10% by...
US-4,419,117 Apparatus for production of mineral wool fibers
In a process for the production of mineral wool fibers according to the jet blast process, comprising issuing at least one melt stream from at least one opening...
US-4,419,116 Process for producing optical fiber preform and apparatus therefor
A process and apparatus for producing an optical fiber preform by oxidizing a gaseous glass forming material with a flame from a burner and depositing the...
US-4,419,115 Fabrication of sintered high-silica glasses
High-silica glasses are formed by sintering a dried gel at temperatures below the liquidus. The gel may be formed by mixing colloidal silica particles or...
US-4,419,114 System and method for converting wellhead gas to liquefied petroleum gases (LPG)
A method of converting natural wellhead gas to liquefied petroleum gases (LPG) may comprise the steps of: separating natural gas from petroleum fluids exiting a...
US-4,419,113 Diesel exhaust particulate trap with axially stacked filters
An elongated particulate trap to fit the area usually occupied by the vertical cylindrical muffler, as on a large diesel truck, consists of rings of axial flow...
US-4,419,112 Air cleaner
An air cleaner suitable for use with motor-bicycles particularly suitable for off-road travelling including an air cleaner element held between a fixed wall of a...
US-4,419,111 Device for absorbing moisture in a closed space
The present invention relates to a device for absorbing moisture in a closed space, adapted for receiving and supporting a perforated bag (2) of oblong shape...
US-4,419,110 Gas filter container
A gas filter container for housing a filter capable of filtering gases containing toxic components. The container includes a flexible end wall adapted to be...
US-4,419,109 Means for degassing paper pulp stock
A means for degassing paper pulp stock, comprising an elongated horizontal cylindrical tank, a distribution pipe parallel to the tank and wherefrom departs a...
US-4,419,108 Filter apparatus and method of filtering
Filtering capacity of a honeycomb filter having a plurality of cells formed by a matrix of thin, porous intersecting walls and used for removing solid ...
US-4,419,107 Mercury filtering apparatus and method
Mercury filter for collecting low concentration mercury vapor in gas. Filter has an absorber having a collecting surface of a material that amalgamates readily...
US-4,419,106 Hydrocarbon oils with improved pour points
Hydrocarbon oils containing, as a pour point depressant, a copolymer of an alkyl acrylate, the alkyl group of which contains about 12 to 40 carbon atoms and an...
US-4,419,105 Maleic anhydride-amine reaction product corrosion inhibitor for alcohols
Alcohols may be inhibited against corrosion by addition thereto of a reaction product of a maleic anhydride and certain amines typified by alkyl isopropoxy...
US-4,419,104 Preparing P.sub.2 S.sub.5 of low reactivity
Phosphorus pentasulfide of low reactivity is made by solidifying molten phosphorus pentasulfide on a cooling cylinder that delivers the solidified product at a...
US-4,419,103 Method and apparatus for coloring Easter eggs
Apparatus and method for coloring or patterning Easter eggs in which a dish-shaped container having an inner surface that is non-absorbent of liquid dye is...
US-4,419,102 Process for level dyeing of textiles by heat transfer
A process is provided wherein film (e.g. polyester) which has been dyed by at least one disperse dye, is contacted with textile material in the presence of...
US-4,419,101 Chlorine-substituted nitro-para-phenylenediamines, a process for their preparation and their use in dyeing...
The invention provides new chlorine-substituted nitro-para-phenylenediamines of the formula: ##STR1## in which R.sub.1 and R.sub.2, which are identical or...
US-4,419,100 Ostomy appliance and faceplate attachment therefor
An ostomy appliance in which a pair of semi-rigid coupling rings and a flexible, resilient web are utilized for detachably connecting a collection pouch to a...
US-4,419,099 Enema apparata improvements relating to double contrast studies
An enema administering apparatus insertable into the rectum for delivery of a contrast medium to internal portions of a patient's anatomy includes an enema tip...
US-4,419,098 Needle shield
A needle shield is provided for a needle holding assembly, such as a blood collection assembly, which reduces the possibility of contamination to the user by...
US-4,419,097 Attachment for catheter tube
An attachment for catheter device for reducing discomfort for a male patient and comprising an open ended substantially cylindrical housing for receiving a male...
US-4,419,096 Elastomeric bladder assembly
Elastomeric bladder assemblies designed for operation at constant pressure to maintain a constant dispensing rate for the contents exhibit a pressure spike...
US-4,419,095 Cannula with radiopaque tip
A cannula for insertion into a body cavity, duct, or vessel of a patient includes a parent cannula member and an integral radiopaque tip. The tip is configured...
US-4,419,094 Suprapubic catheter system
A suprapubic catheter system comprising, a puncture member comprising an elongated needle. The system has a catheter assembly comprising an elongated catheter...
US-4,419,093 Method of receiving and disposing of fluids from the body
A method for receiving and disposing of fluids from the human body includes the steps of disposing a semi-rigid burst resistive container within a rigid outer...
US-4,419,092 Iontophoretic electrode structure
An iontophoretic bioelectrode includes an enclosure having a bottom wall formed of a membrane through which ions may migrate when subjected to an electric field,...
US-4,419,091 Metalized medical treatment electrode with insulated edge
An ion treatment electrode has a porous polymer substrate with a conductive coating. A non-conductive solution impervious border is provided by applying to...
US-4,419,090 Field replaceable screw conveyor inserts
The apparatus for separating a solid-liquid mixture has a housing with a metal screw conveyor adapted to rotate relative to the housing on a common longitudinal...
US-4,419,089 Blood cell separator
A centrifugal blood component separator with a spiral helically inclined rotor chamber. The apparatus uses continuous blood flow-through without rotating seals....
US-4,419,088 Gate folding apparatus
An apparatus for making a gate fold in a prefolded sheet, including a folding table with a central opening, a pair of fold rolls located below the opening and...
US-4,419,087 Splayed roll folder for adhesive application
An apparatus and method for forming one or more pleats in a continuously advancing sheet of indeterminate length are provided. The apparatus includes a first...
US-4,419,086 Trunnion seal and cross venting system for a cardan-type universal joint
A mechanical, metal face type seal, lubrication and venting system for a universal joint of the type having a cross-shaped trunnion body with cylindrical...
US-4,419,085 Amphibious vehicle
In an amphibious vehicle having driven wheels for movement along dry surfaces and a driving unit for movement through fluids, the improvement comprising at least...
US-4,419,084 Power assisted steering for marine propulsion device
Disclosed herein is an outboard motor for a boat having a hull and including a support adapted to be fixed relative to the boat hull, and a propulsion assembly...
US-4,419,083 Tilt lever returning mechanism for outboard engine
A tilting supporting arrangement for an outboard drive unit that permits it to be pivoted from a normal running position to a tilted up position. A tilt stop...
US-4,419,082 Water-jet drive mechanism for driving and controlling of particularly shallow-draught watercrafts
A water-jet drive mechanism for driving and controlling a watercraft includes a substantially cylindrical support housing which is supported for rotational...
US-4,419,081 Mathematical teaching/learning aid and method of use
A mathematical teaching/learning aid includes a set of thin mathematical cards or blocks, the set including six different types of blocks that represent the...
US-4,419,080 Method and apparatus for teaching grammar
Disclosed are an apparatus and method for teaching students to recognize and understand the function of various parts of speech. The apparatus includes a...
US-4,419,079 Aircraft piloting aid system
A piloting aid system for displaying symbols representative of determined characteristics of the flight of an aircraft and representative of its environment is...
US-4,419,078 Orthodontic bracket
An orthodontic bracket assembly with a locking member rotatably mounted on a slotted bar configured to receive an arch wire. The bar is integrally formed with a...
US-4,419,077 Orthodontic face-bow and method of preventing injuries with the use of face-bows
An improved orthodontic face-bow and method for preventing eye and facial injuries. The face-bow applies force to a patient's teeth through an orthodontic arch...
US-4,419,076 Wafer tray construction
Wafer tray construction for use in a gas plasma reactor. A plurality of the trays are arranged in an array, with an overlap at the adjacent edges of the trays to...
US-4,419,075 Blast furnace stove wall
An internal partitioning wall for a blast furnace stove in which a layer of insulating material is interposed between two layers of refractory material....
US-4,419,074 High efficiency gas burner
A burner assembly provides for 100% premixing of fuel and air by drawing the air into at least one high velocity stream of fuel without power assist....
US-4,419,073 Gas lighter
A gas lighter emits a flame angled away from an ignition device thereof, the lighter having a gas tank provided with a burner tube centered on an upright axis...
US-4,419,072 Handy torch
A handy torch comprises a tank, a first valve mechanism, a second valve mechanism, a burner having a nozzle and an air-intake opening. A pipe connects the second...
US-4,419,071 Portable high-flow rate flare for smokeless burning of viscous liquid fuels
A portable adjustable flow rate flare for smokeless burning of viscous liquid fuels such as crude oil, which comprises an assembly of four coaxial circular...
US-4,419,070 Decorative molten wax display
A method of producing a decorative movement of metal particle display in a pool of molten wax of a burning candle. Portions of a wax crayon containing colored...
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