| 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... |