Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 6153015 | Process for removing soap-contaminated conversion layers on metal workpieces The process for removing a soap-contaminated conversion layer remaining on a metal workpiece after cold-forming with an aqueous acidic cleaning composition containing water, a surfactant such as an alkyl amine ethoxylate and nitric acid, phosphoric acid a... | 11/28/2000 |
| 6150570 | Method of producing crystalline D-sorbitol The continuous process for making crystalline D-sorbitol using a melt crystallizer consisting of a cooled container and a horizontally arranged rotatable shaft equipped with disk elements and mixing parts to form a worm includes evaporating an aqueous D-s... | 11/21/2000 |
| 5264367 | Enzymatic treatment of edible oils The content of phosphorus-containing components and the iron content of an edible vegetable or animal oil, preferably an oil such as soybean oil which has been wet-refined to remove mucilage, are reduced by enzymatic decomposition by contacting the oil wi... | 11/23/1993 |
| 4961901 | Process and apparatus for manufacturing diaphragms In a process of manufacturing diaphragms, a layer of a difficulty flowable metal powder is applied to a support, a wire net is rolled onto the powder layer and the latter is compacted at the same time and the metal powder is fired at 800° to 1500° C. in... | 10/09/1990 |
| 4944785 | Process using melt accelerator for the conversion of solid waste substances into glass Waste substance such as incineration ash is mixed with cullet and alkaline earth salt to form a mixed batch which is added to a glass melt heated solely by electrodes, producing an exhaust gas which is introduced into the batch thereby cooling the gas to ... | 07/31/1990 |
| 4700023 | Trackless, center articulation underground vehicle driven by an electric motor A trackless, center-pivot underground vehicle is described, which has a tractor section, which is driven by an electric motor, which is powered via a sliding contact line, a current collector device, which is movable along the contact line line, and a sup... | 10/13/1987 |
| 4659456 | Process of drying and heating oil-containing solids Oil-containing solids are dried and heated by contacting them in a drying zone with superheated steam admitted to the zone at a temperature in excess of 200° C. The heated solids may be distilled to remove hydrocarbons therefrom and the resulting procedu... | 04/21/1987 |
| 4637838 | Process for phosphating metals The quality of coatings in a low zinc phosphating process is improved by including an activator of formate, nitrilotriacetate, trichloroacetate or ethylenediamenetetraacetate to produce more uniform coatings particularly desirable in advance of electrocoa... | 01/20/1987 |
| 4632819 | Process for removing hydrogen sulfide from exhaust gas and for producing sulfur by the Claus process The feed gas is partially burnt with oxygen-containing gas in a thermal Claus process plant, in which temperatures in the range of 850° to 1350° C. is maintained. Product gas which has been produced is passed through a catalytic Claus process plant (Cla... | 12/30/1986 |
| 4312666 | Steel making process Residual materials which become available in metallurgy and contain oxides and volatilizable non-ferrous metals or compounds thereof are treated in a rotary kiln with solid carbonaceous reducing agents and are thus directly reduced in a high proportion to... | 01/26/1982 |
| 4310501 | Process for producing hydrogen fluoride A method of recovering fluorine, e.g. as hydrogen fluoride, from wastes of aluminum electrolysis furnaces, chemisorbents, adsorbents or absorbents, etc. in which the fluorine-containing material is subjected to pyrohydrolysis in an expanded fluid bed and ... | 01/12/1982 |
| 4309190 | Process of producing coal briquettes for gasification or devolatilization Briquettes made of mainly coal are described to which there has been added 10 to 30% by weight of ash (other than ash which is contained in the coal normally). The briquettes formed from such a mixture have strength which permits them to be subjected to g... | 01/05/1982 |
| 4308055 | Process of briquetting sponge iron-containing material An improved process for briquetting sponge iron-containing material wherein as binder there is employed dilute sulfuric acid and the sponge iron-containing material contains at least 40% by weight metallic iron.... | 12/29/1981 |
| 4304759 | Process for obtaining metal oxide and SO2 -containing gases essentially free of SO3 and H2 SO4 from ferrous sulphate containing salt The invention provides a process for thermally decomposing salts, containing mainly ferrous sulfate wherein said feed material is contacted in a single suspension-type exchanger with exhaust gases formed by reaction of the oxygen-containing gases in the f... | 12/08/1981 |
