...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 4196169 | System for disposing of radioactive waste A system for disposing of radioactive mixed liquid and particulate waste material from nuclear reactors by solidifying the liquid components into a free standing hardened mass with a syrup of partially polymerized particles of urea formaldehyde in water a... | 04/01/1980 |
| 4190427 | Plant care composition Dry foamable concentrates comprising a plant agent, an alpha olefin sulfonate as foaming agent and isopropanol, capable of spumescent constitution with water to provide a stable foam composition acting as a tracer in application.... | 02/26/1980 |
| 4190428 | Plant treating composition Dry foamable concentrates comprising a plant agent, a foaming agent, and an alcohol of limited solubility e.g., butanol, capable of spumescent constitution with water to provide a stable foam composition acting as a tracer in application.... | 02/26/1980 |
| 4180543 | Ammonia synthesis reactor having parallel feed to plural catalyst beds In a reactor suitable for gas-phase catalytic exothermic synthesis, in particular of ammonia or methanol the synthesis gas is reacted in an upstream adiabatic catalytic zone, is cooled in a heat exchanger and then reacted further in a downstream catalytic... | 12/25/1979 |
| 4179019 | Apparatus for reclaiming used lubricating oils A used lubricating oil reclamation apparatus in which filters, heat exchangers, a vaporizer unit, pumps and other necessary equipment are all contained in a wheeled cabinet. The oil to be reclaimed is pumped through a warming heat exchanger, a first filte... | 12/18/1979 |
| 4178238 | Apparatus for processing low-grade aggregate ore Apparatus for use with extremely low-grade aggregate ore, for deriving a concentrate comprised of metal-bearing ore particles having densities within a predetermined range. The apparatus is in the form of a mobile, self-sustained system including a vehicl... | 12/11/1979 |
| 4169767 | Process for calcining coke A process for calcining green coke containing water and combustible volatile matter and obtained by a delayed coking process in three or more stages of heating furnaces which are connected in series, and the control of the temperature and the adjustment o... | 10/02/1979 |
| 4168675 | Machine to prepare logs for log houses Method and machine and a log product for log house construction includes improvements in apparatus to shape, and finish the logs, divide into halves or quarter sections for tongue-and-groove assembly construction of floors, walls, or ceilings appurtenant ... | 09/25/1979 |
| 4168292 | Acylated hydroxyalkylaminoalkylamides and preparation thereof and uses thereof as corrosion inhibitors Acylated hydroxyalkylaminoalkylamides, the N-alkylated derivatives thereof, and the preparation thereof and uses thereof as corrosion inhibitors.... | 09/18/1979 |
| 4168208 | Ascension pipe closure for coke oven batteries An elbow cover for a coke oven ascension pipe characterized in that the opening which is covered is oval in shape and is formed at the junction of the ascension pipe and a downwardly-extending supply pipe leading to a gas-collecting main. The oval-shaped ... | 09/18/1979 |
| 4167484 | Ozone generating apparatus An ozone generating apparatus which comprises a plurality of chambers filled with an adsorbent, wherein a wet raw air is fed through one of the chambers filled with the adsorbent to adsorb moisture to form a dry air and the dry air is fed into an ozonizer... | 09/11/1979 |
| 4166722 | Pinned shaft and carbon black pelleter A pinned shaft and correspondingly a pinned shell are described having the pins attached to the cylindrical surfaces in such a manner that all of the pins are arranged in a geometrically symmetrical pattern of squares or equilateral triangles or equilater... | 09/04/1979 |
| 4166096 | Biohazard steam sterilizer A method and apparatus for sterilizing highly infectious material. The sterilizer incorporates an inner chamber having no drain line and having a reservoir created by low dams at the bottom of the inner chamber at each end for collecting condensate during... | 08/28/1979 |
| 4165261 | Apparatus for cleaning a coke oven door Apparatus for cleaning a coke oven door, which has upper and lower closing surfaces and two side closing surfaces which are to be cleaned, the cleaning apparatus being relatively positionable in a position for cleaning when the door is open, comprising a ... | 08/21/1979 |
| 4164541 | Venturi mixer Apparatus for producing a product such as fertilizer which has acidic and basic constituents having, a venturi pump and a mixing tank. The venturi pump is powered by mixing the constituents in a reaction chamber and expelling the resulting product through... | 08/14/1979 |
| 4162926 | Method of drying complex sugar solutions A method for forming dried, solid, particulate product from complex sugar solutions by drying the solution in a current of heated air and in the presence of separately introduced recycled dried solids which have undergone additional conditioning to have a... | 07/31/1979 |
| 4162944 | Spotting method and apparatus for coke oven batteries A method and apparatus for spotting a pusher machine or other door-handling machine in relation to a coke oven. The method and apparatus are particularly useful for aligning a door extractor carrying a door with an open hot oven, but also may be used to a... | 07/31/1979 |
| 4160644 | Platelet reference control and method of preparation A platelet reference control and method of preparation in which a minor amount of solid polyethylene glycol is added either to the platelet suspension or the diluent for the platelet suspension whereby time and agitation stabilization are both achieved.... | 07/10/1979 |
| 4160803 | Self packaged test kit A self-packaged structure for use as a test kit for convenient handling of the component parts of the kit as a modular unit. The structure is designed such that tests may be carried out using certain components to effect semi-automatic collection of chemi... | 07/10/1979 |
| 4159305 | Pier-supported refractory constriction element A refractory constriction element for large-diameter fluid bed reactors is supported by vertical refractory piers located within the windbox.... | 06/26/1979 |
| 4158699 | Installation for the production of yellow phosphorus Installation for the production of yellow phosphorus comprises an electrothermal furnace and an apparatus for preliminary melting of phosphate-quartzite charge. This apparatus communicates with the bath of the electrothermal furnace via a melt collector a... | 06/19/1979 |
| 4157940 | Method for operating a battery of horizontal coke ovens A method for operating a battery of horizontal coke ovens which are connected to primary and secondary gas-collecting mains extending alongside the battery, wherein dust-laden gas which occurs during charging of an oven is caused to flow through the secon... | 06/12/1979 |
| 4158034 | Sterilization method and apparatus for dialysis system A method and apparatus for sterilization of a dialysis system. The dialysis system comprises a dialyzer, a receptacle for water and a receptacle for dialysis concentrate, and fluid conducting means for conducting fluids from the receptacles for water and ... | 06/12/1979 |
| 4156618 | Process for separating ketoses and aldoses One or more ketoses such as fructose are separated from a solution of sugar mixture containing the ketoses and one or more aldoses by contacting the solution of sugar mixture with an insoluble high polymer having primary amine moieties to remove the aldos... | 05/29/1979 |
| 4155975 | Deodorant and method for deodorizing livestock manure Anaerobic livestock manure, comprising an admixture of feces and urine, is deodorized by topically applying onto the manure an aqueous deodorizing-mixture of a suitable iodine ingredient and an oxidizing agent. Preferably, the aqueous deodorizing-mixture ... | 05/22/1979 |
| 4150951 | Measurement of concentrations of gaseous phase elements A method and apparatus for the quantitative and qualitative analysis of the elemental composition of materials in concentrations as low as a few atoms, or molecules, per cubic centimeter. When introduced into a gas stream containing an excess of an energe... | 04/24/1979 |
| 4151045 | Apparatus for charging inclined chamber coke oven An inclined chamber of a coke oven is defined by a heating side wall, a coke removal side, a horizontal chamber ceiling and a chamber floor inclined downwardly from the heating side wall to the coke removal side. Briquettes are charged into the chamber, t... | 04/24/1979 |
| 4149852 | Thermochromic composition, method of making, and use PH indicator composition has controlled change of color at a selected sub-freezing temperature. The composition comprises at least one pH indicator, a buffer solution containing at least one inorganic ion in solution and a control agent or a precursor of ... | 04/17/1979 |
| 4148610 | Batch preparation of samples by dilution In the automated, batch preparation of diluted samples, i.e., the preparation of sample/diluent aliquots of repetitively and exactly maintained fixed ratio, metered diluent is pneumatically introduced into a vented mixing chamber, using the principle of g... | 04/10/1979 |
| 4147514 | Test means and method for detecting ketone bodies Test means, method of making a test device and process for detection of ketone bodies are disclosed. More particularly, suitable test means are of the type having a nitroprusside in combination with at least one inorganic salt of a metal selected from the... | 04/03/1979 |
| 4147516 | Oscillatory mechanisms An oscillatory mechanism, designed particularly for use in a laboratory shaker, includes a member, or a system of members, arranged to perform oscillatory movements, the transmission of power to that member or system, whereby its oscillation is caused or ... | 04/03/1979 |
| 4147594 | One-spot cylindrical coke quenching car and quenching method A cylindrical drum having a lining spaced apart from the shell of the drum is rotatably mounted on a frame movable on rails along the coke side of a coke oven battery. A fume shield is fixed to the frame and covers openings in the shell and lining through... | 04/03/1979 |
| 4146570 | Automatic steam sterilizer having air exhaust valve Automatic sterilizer apparatus having an enclosed sterilizing chamber and a heater for vaporizing water placed in the chamber. An air exhaust valve is connected at the chamber and comprises a valve housing, a heat-expanding valve body of smaller cross-sec... | 03/27/1979 |
| 4146434 | Process for the desulfurization of petroleum coke Delayed coke especially manufactured for use in graphite can be effectively desulfurized by calcining in a hydrocarbon fuel-fired calciner in the temperature range of 2700° F. to 2900° F. without adversely affecting the strength of the coke or the coeff... | 03/27/1979 |
| 4146435 | Dust collecting system for coke oven An improved dust collecting system for a coke oven employs a bag filter dust collector as a common dust collector for both the coke discharge operation and the coal charging operation. First, the dust spouted out in the coke discharge operation and then s... | 03/27/1979 |
| 4145258 | Apparatus for preventing gas leakage from oven door of coke oven In a coke oven of the type comprising an oven opening, an oven door for closing the oven opening, a knife-edge surrounding the oven door for forming a seal for preventing leakage of oven gas, there are provided a conduit arranged along the outside periphe... | 03/20/1979 |
| 4145256 | Method and apparatus for producing a carbonaceous residue product A carbonaceous residue or char having novel properties is produced from particulate agricultural waste material, such as peanut shells, which upon heating exhibits an exothermic decomposition into an off gas component and a solid component in which the of... | 03/20/1979 |
| 4145257 | Discharge apparatus for inclined coke ovens A device for automatically detaching and/or loosening coke within a coke oven chamber, particularly such a chamber of the type having an inclined or obliquely extending floor, includes a track support adapted to be mounted at a position confronting the co... | 03/20/1979 |
| 4144087 | System for separating mill starch to obtain a protein-rich product and a starch-rich product A system for separating the mill starch fraction in a corn wet milling operation into a protein enriched stream and a starch enriched stream to obtain therefrom a protein-rich product and a starch-rich product. The system utilizes only hydrocyclones arran... | 03/13/1979 |
| 4144306 | Element for analysis of liquids A multilayer analytical element for the analysis of liquids, particularly small samples of biological liquids, having at least two layers including a reagent layer and a registration layer. The reagent layer contains an interactive composition including a... | 03/13/1979 |