Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| RE39244 | Acid gas disposal Acid gas is liquified by compression and cooling, mixed with water under pressure and flowed into a disposal well. ... | 08/22/2006 |
| RE39077 | Acid gas disposal Acid gas is liquified by compression and cooling, mixed with water under pressure and flowed into a disposal well. ... | 04/25/2006 |
| 6878281 | Wastewater management system A method of and an apparatus for rejuvenating a wastewater treatment system of the type including a septic tank, an aerobic treatment unit or the like connected by a pipe to a plugged downstream soil absorption system includes a wastewater treatment unit which is in... | 04/12/2005 |
| 6648551 | Method for stabilizing and reducing permeability of geologic or waste materials Methods for inducing the precipitation of substantially water insoluble mineral carbonates in pores, spaces and fractures by conveying a carbon-dioxide (ie. CO2) bearing gaseous phase or an oxidised-carbon-bearing aqueous phase into spaces wher... | 11/18/2003 |
| 6471443 | Method and apparatus for injecting steam into landfills A method of injecting steam into a landfill is provided. The steam enhances methane gas production in the landfill during the anaerobic phase, accelerates decomposition/biodegradation of the organic component of the trash prism during both the aerobic and... | 10/29/2002 |
| 6276872 | Low temperature heat-assisted evaporation impoundment The assisting in the evaporation of water from a surface impoundment or other impoundment that utilizes a closed heat pipe system that is partially submerged within the material of the surface impoundment. Water, or other heat transfer fluid, is circulate... | 08/21/2001 |
| 6149344 | Acid gas disposal Acid gas is liquified by compression and cooling, mixed with water under pressure and flowed into a disposal well.... | 11/21/2000 |
| 6112675 | Process and apparatus for treating process streams from a system for separating constituents from contaminated material A process and apparatus for recovering and treating hazardous and non-hazardous components from process streams generated from a continuous system for selectively separating organic and inorganic constituents from contaminated material. The contaminated m... | 09/05/2000 |
| 6087548 | Method and assembly for sterilizing contaminated waste The invention relates to a disposable assembly for collecting contaminated waste, comprising a heat-stable container (1), for example made of metal, in order to withstand, without deformation, the conditions, particularly the temperature conditions, of a ... | 07/11/2000 |
| 6024513 | Aerobic landfill bioreactor The present invention includes a method of decomposing municipal solid waste (MSW) within a landfill by converting the landfill to aerobic degradation in the following manner: (1) injecting air via the landfill leachate collection system (2) injecting air... | 02/15/2000 |
| 5873675 | Method for hazardous waste vitrification Apparatus (10) and a method for vitrifying hazardous waste includes a melting vessel (12) in which hazardous waste and any other necessary components for forming a glassy mixture upon heating are introduced for heating by a heater (38), and a metallic con... | 02/23/1999 |
| 5863283 | System and process for disposing of nuclear and other hazardous wastes in boreholes A system for disposing of hazardous waste, such as nuclear waste, underground which provides the drilling of a wellbore down into a level of a underground bed of salt, for example, and forming a horizontal borehole through the salt bed next, drilling a pl... | 01/26/1999 |
| 5848960 | Process for vitrifying residues from flue gas cleaning To vitrify chlorine-containing residues from flue gas cleaning, in particular filter dust and residues from the flue gas scrubber, the residues are melted in a melting furnace (8) and then discharged. To condition the melt, alkali-containing fluxes are ad... | 12/15/1998 |
| 5766303 | Process for the remediation of lead-contaminated soil and waste battery casings Lead-contaminated soil and battery casings are remediated using a plasma arc furnace which pyrolyzes the soil and waste battery casings so as to form a vitrified slag and a combustible gas, respectively. The combustible gas along with volatilized lead (an... | 06/16/1998 |
| 5743937 | Earth melter with rubble walls and method of use The present invention is an improvement to the earth melter described and claimed in U.S. Pat. No. 5,443,618. The improvement is the use of rubble for retaining walls. More specifically, the retaining walls rest on ground level and extend above ground lev... | 04/28/1998 |
| 5716316 | Treatment of fly ash produced by a waste incinerator and containing chlorides of toxic metals This invention relates to a process for treating fly ash produced by a waste incinerator and containing chlorides of toxic metals, which includes a step consisting of subjecting said fly ash to a phosphating reaction, at high temperature, to convert the c... | 02/10/1998 |
| 5711635 | Apparatus for hazardous waste vitrification Apparatus (10) and a method for vitrifying hazardous waste includes a melting vessel (12) in which hazardous waste and any other necessary components for forming a glassy mixture upon heating are introduced for heating by a heater (38), and a metallic con... | 01/27/1998 |
| 5647833 | Method for vitrifying hazardous waste Apparatus (10) and a method for vitrifying hazardous waste includes a melting vessel (12) in which a stirrer (38) mixes hazardous waste and any other necessary components for forming a glassy mixture upon heating while an electrical current is applied acr... | 07/15/1997 |
| 5626552 | Method of waste disposal A method for solidifying industrial waste containing various toxic metals and other substances without fail and stabilizing the waste so as to prevent the toxic metals, particularly lead, from leaching out. The method comprises mixing a waste containing c... | 05/06/1997 |
| 5562363 | Apparatus for vitrifying hazardous waste Apparatus (10) and a method for vitrifying hazardous waste includes a melting vessel (12) in which a stirrer (38) mixes hazardous waste and any other necessary components for forming a glassy mixture upon heating while an electrical current is applied acr... | 10/08/1996 |
| 5562590 | Process for encapsulating a waste material Sludges and slurries, e.g., oil, grease or paint based, are encapsulated into fly ash or similar particulate material by adding solvents to effect the encapsulation and absorption of the sludge. Subsequently, the particulate material is heated to remove t... | 10/08/1996 |
| 5556232 | Non-hazardous, non-septic liquid waste drying process A method for recovering solid waste from a non-hazardous, non-septic liquid waste stream which includes the steps of: powering a drying gas heating mechanism, such as a furnace, using aerobically generated biogas as a power source for the liquid drying me... | 09/17/1996 |
| 5443618 | Earth melter An apparatus, and method of operating the apparatus, wherein a feed material is converted into a glassified condition for subsequent use or disposal. The apparatus is particularly useful for disposal of hazardous or noxious waste materials which are other... | 08/22/1995 |
| 5430236 | Method for vitrifying ash By changing the additives to an off-gas system in an incinerator bag house, by replacing part of a normally added calcium compound with a sodium compound, one can reduce the amount of sodium compound needed for a combined off-gas from incineration and gla... | 07/04/1995 |
| 5372458 | System for treating drilling mud containing potassium chloride (KCl) for disposal A method is provided for treating used potassium chloride (KCl) drilling mud for disposal. The process comprises feeding the mud into one end of a rotary tube, advancing the mud through the rotating tube and heating the mud by cascading action using lifte... | 12/13/1994 |
| 5354355 | Earth melter and method of disposing of feed materials An apparatus, and method of operating the apparatus, wherein a feed material is converted into a glassified condition for subsequent use or disposal. The apparatus is particularly useful for disposal of hazardous or noxious waste materials which are other... | 10/11/1994 |
| 5347072 | Stabilizing inorganic substrates A process for stabilizing a substantially inorganic substrate comprises treating the substrate with sulfur at a temperature above the melting point of sulfur thus converting the substrate into a solid, inert product which resists the leaching of metals, m... | 09/13/1994 |
| 5345033 | Method for the neutralization of hazardous materials A method for neutralizing hazardous materials wherein the material and if applicable, the device within which such material is contained, is first cooled to substantially sub-ambient temperatures. The material is then safely extractable from such device a... | 09/06/1994 |
| 5276250 | Process for decomposing polyhalogenated compounds The invention relates to a process for the decomposition of polyhalogenated aliphatic compounds having 1 to 8 carbon atoms, polyhalogenated cycloalkyl compounds having 5 to 8 carbon atoms and polyhalogenated aromatic compounds having at least 5 carbon ato... | 01/04/1994 |
| 5246682 | Process for waste liquid-free processing of chlorosilane distillation residues with hydrochloric acid A process for waste liquid-free processing of residues of chlorosilane distillations, wherein the residue is allowed to react with liquid hydrochloric acid accompanied by the release of hydrogen chloride, the resulting reaction mixture is allowed to coagu... | 09/21/1993 |
| 5164174 | Detoxification of aluminum spent potliner by thermal treatment, lime slurry quench and post-kiln treatment A method is disclosed for detoxification of aluminum spent potliner by thermal treatment in a rotary kiln while blended with limestone and metal silicates to destroy cyanides and convert the soluble fluoride salts to relatively insoluble calcium fluoride ... | 11/17/1992 |
| 5043103 | Method and apparatus for centrifugally casting hazardous waste A casting containing toxic waste is made by centrifugally casting toxic waste in a pre-formed cage having heat conducting means therein. The casting is formed with suitable shielding materials selected as a function of the waste being cast. The finished c... | 08/27/1991 |
| 4897221 | Process and apparatus for classifying, segregating and isolating radioactive wastes Low-level radioactive wastes and the like are identified by composition and segregated based on specific contaminants identified. The separated wastes are subsequently encapsulated in a centrifugal process prior to disposal. The wastes advantageously are ... | 01/30/1990 |
| 4781944 | Process and apparatus for fixing, encapsulating, stabilizing and detoxifying heavy metals and the like in metal-containing sludges, soils, ash and similar materials Heavy metals and compounds thereof and other toxic materials in industrial wastes, sludges, soils, incinerated ashes and the like are fixed and stablized in a char residue, obtained by critical region pyrolyzing techniques and appropriate proportions of c... | 11/01/1988 |
| 4738564 | Nuclear and toxic waste recycling process A new and useful process for the safe and convenient disposal of nuclear and toxic wastes. Such wastes are containerized and deposited in active volcanoes containing molten lava, the weight of the filled waste containers being sufficient to sink into the ... | 04/19/1988 |
| 4424149 | Method for ultimate disposition of borate containing radioactive wastes by vitrification Method for the ultimate disposition of radioactive wastes by vitrification, in which weak to medium radioactive waste concentrates from borate-containing radioactive liquids are mixed with added glass-forming materials, maximally in a ratio of 1:3, and th... | 01/03/1984 |
| 4320028 | Nuclear waste disposal system In a system and method for disposal of nuclear waste, the waste is mixed with glass components, melted, drawn into fibers and formed into a cable, the diameter of the fibers and the arrangement of the fibers in the cable being such that the cable can be w... | 03/16/1982 |
| 4272293 | Procedure for the treatment of combined wet filter cakes A procedure for the treatment of filter cakes obtained during the purification of chemical substances in liquid form, especially during the purification of phosphoric acid obtained by wet methods, whereby a filter cake is dried and heated in the presence ... | 06/09/1981 |
| 4242220 | Waste disposal method using microwaves Waste such as sludge containing poisonous substances is processed into a safe article by removing water in a usual manner, drying the waste to substantial dryness by microwave heating, mixing the dry waste powder with a thermoplastic resin, irradiating th... | 12/30/1980 |
| 4140478 | Process and apparatus for heating solid materials containing volatile matters A process and an apparatus for heating solid materials containing volatile matters. This apparatus includes a heating portion for heating solid materials, and a conveyor portion having a conveyor unit for transporting solid materials. The conveyor is incl... | 02/20/1979 |
