Bizarre Patents
Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5492680 | Separation of scandium from tantalum residue using fractional liquid-liquid extraction A process for separating scandium from an aqueous solution comprised of a first group of metals, scandium and a second group of metals includes the steps of: (a) providing a scandium-containing material and preparing therefrom an aqueous sulfuric acid sol... | 02/20/1996 |
| 5476593 | Method for flushing an undesired precipitate from apparatus surfaces A method of removing undesired precipitate from the surfaces of an apparatus; wherein the apparatus is used in a process for removing silver from silver bearing photoprocessing solutions and the process includes the step of mixing a mercapto-s-triazine, o... | 12/19/1995 |
| 5472618 | Method for recovering metals from solutions A method for recovering metals from solutions is described. A particular embodiment of the method concerns recovering copper metal. The method comprises first treating a solution containing copper ions with a sufficient amount of an inorganic acid to obta... | 12/05/1995 |
| 5462670 | Process for removing oils and greases from aqueous solution A process for removing dissolved oils and greases from an aqueous solution which also may contain dissolved heavy metals is provided wherein the aqueous solution is mixed with a source of ferrous ion and dithionite ion in a first step at acidic pH to redu... | 10/31/1995 |
| 5462671 | Method of removing heavy metals from solutions of amino-carboxylic acids for disposal purposes Disclosed is a method to remove heavy metals from amino-carboxylic acid chelate solutions comprising adding nitrous acid to lower the pH of the aqueous solution sufficient to destroy the chelate bonds and release the metal ions and thereafter adding an ap... | 10/31/1995 |
| 5458787 | Extraction of certain metal cations from aqueous solutions Carbonaceous pyropolymers possessing recurring units containing at least carbon and hydrogen atoms on their surface are effective in removing from solution metal cations having a standard reduction potential to their zerovalent state of greater than -0.2 ... | 10/17/1995 |
| 5454948 | Semi-continuous bacterial leaching process The present invention relates to a semi-continuous process for removing heavy metals, substantially reducing volatile suspended solids and substantially destroying indicator bacteria from municipal sludges, which comprises: a) adding 1 to 3 g of sulphur p... | 10/03/1995 |
| 5451327 | Compound and method for treating water containing metal ions and organic and/or inorganic impurities A composition for treating water that contains metal ions and possibly also organic and/or inorganic compounds is produced by reacting sulfur with an alkali- and/or alkaline earth metal hydroxide in the presence of water. The inventive composition corresponds ... | 09/19/1995 |
| 5449460 | Process for the treatment of water containing sulphur compounds A process is provided for the treatment of water containing sulphide wherein the sulphide is oxidized in an aerobic reactor having a minimum sulphide sludge load. The minimum sulphide load is at least 10 mg of sulphide per mg of the nitrogen present in th... | 09/12/1995 |
| 5443729 | Method for removing manganese from water A process for removal of manganese from water which includes the steps of (i) preparing a fluidized bed of particles (eg. magnetite) in a bioreactor capable of adsorbing a strongly adherent biofilm of microorganisms (e.g. pedomicrobium manganicum) metabol... | 08/22/1995 |
| 5441648 | Separation of heavy metals from aqueous media Heavy metals are separated from aqueous media containing the same by contacting the said medium with finely divided iron oxide (Fe3 O4) and finely divided ferrous sulphide, maintaining said contact until at least a substantial propor... | 08/15/1995 |
| 5441641 | Process for removing manganese from solutions including aqueous industrial waste A process is provided for reducing the concentration of water soluble ionic manganese species in aqueous waste solutions containing the same. The process comprises passing said waste solution through a treatment zone containing a porous matrix on which ar... | 08/15/1995 |
| 5439584 | System for reducing consumption of fresh water and energy costs used in a photofinishing operation Apparatus combination and system for reducing use of fresh water in a photoprocessing operation by recirculation of the wash water to the photoprocessing operation via a silver recovery system. Wash water is periodically discharged to waste and a like amo... | 08/08/1995 |
| 5437792 | Process of recovering silver from photographic solutions A process for removing silver from a silver containing photoprocessing solution, including the steps of: a) mixing a mercapto-s-triazine, or a water soluble salt thereof, with the solution thereby causing formation of a mixture of i) precipitates and fine... | 08/01/1995 |
| 5433864 | Method for treating heavy metal containing waste water by utilization of acorn The invention discloses a method for treating a heavy metal containing waste water by using acorns. Acorns and nuts of other trees belonging to the Eagaceae group are dried at the room temperature and under the sun beams. Then acornic acid is extracted fr... | 07/18/1995 |
| 5431825 | Method for the reduction and stabilization of metals A method for reducing reducible metals comprising combining one or more reducible metals with an elemental metal, and then with a reducing agent to form a reduced metal. The mixture may then be stabilized and recovered.... | 07/11/1995 |
| 5429751 | Method for immobilizing material contaminated with heavy metal ions, a fixant for immobilizing heavy metal ions and a matrix A method for immobilizing material contaminated with heavy metal ions, a fixant for immobilizing heavy metal ions and a matrix. A method is disclosed for immobilizing material contaminated with heavy metal ions, said metal ions in a liquid environment being al... | 07/04/1995 |
| 5427691 | Lime neutralization process for treating acidic waters A lime-treatment method is disclosed to neutralize acidic waters containing heavy metals and sulphate and precipitate the metals as hydroxides along with calcium sulphate solids which are called sludge. The method comprises neutralizing the water in two r... | 06/27/1995 |
| 5423990 | Method for the purification of waste water containing silver A process is disclosed for the purification of waste water containing a silver compound, comprising the steps of (1) adding to said waste water a salt of a poly(guanidine) or poly(biguanidine) polymer (2) adding a flocculant, and (3) filtrating the formed... | 06/13/1995 |
| 5415778 | Method and related product for purification of waste water A method and related product for purification of waste water, especially of water polluted with phosphorus, nitrogen, heavy metals, and chlorinated solvents. The purification process consists of: a) adding two liquid mixtures in sequence to the waste water; b)... | 05/16/1995 |
| 5407650 | Process for purifying a technical iron chloride solution by selective precipitation A process for purifying an acidic technical-grade iron chloride solution formed from cyclone dust from the production of TiO2 in accordance with the chloride process by adjusting the pH with a first neutralizing agent and thereafter introducing... | 04/18/1995 |
| 5407576 | Process for the purification of waste water In a process for removing organic impurities and heavy metals from industrial, commercial or communal waste water, loaded drinking water, refuse dump drainage water or aqueous special wastes, the wet pyrolysis residues produced during the extraction of us... | 04/18/1995 |
| 5403488 | Process for the regulation of an activated sludge clarification plan The present invention provides a process for the regulation of the activa sludge step of a clarification plant by control of the decomposition efficiency of the activated sludge, wherein an activated sludge sample is incubated under precisely defined con... | 04/04/1995 |
| 5403496 | Process for stabilizing metals in ash A process for stabilizing metals in ash to prevent leaching of the metals is disclosed. The pH of an aqueous slurry of ash is reduced to less than 5 in the presence of an iron salt. The pH-reduced slurry is then treated with an organo sulfur containing co... | 04/04/1995 |
| 5401420 | Sulfide ion-selective electrodes for control of chemical feed of organic sulfide products for metal ion precipitation from waste water A wastewater treatment system and method for chemical precipitation and removal of metals from wastewater in a continuous or batch treatment process includes an ion-selective sulfide electrode and a reference electrode disposed in a precipitation tank for... | 03/28/1995 |
| 5401416 | Water filtration method A drinking water filter for removing lead at point-of-use composed of specially treated gamma alumina particles between 48 and 100 mesh (0.148-0.297 mm), gamma alumina neutral (about 7 surface pH) or basic (about 9 surface pH) is washed in highly purified... | 03/28/1995 |
| 5395534 | Water filtration medium and method of use Disclosed is a water filtration medium capable of removing heavy metals from ground water and surface supplies. This medium comprises a gamma form of manganese dioxide that has been comminuted and divided into fractions according to mesh size, including f... | 03/07/1995 |
| 5393426 | Method for removing soluble metals from an aqueous phase A process for the removal of metal ions from solution and means for effecting such removal are described. The process is based on the hydroponic growth of sunflowers, terrestrial turfgrasses and/or members of the family Brassicaceae in solutions containin... | 02/28/1995 |
| 5389262 | Process for removing heavy metals from solutions with ferrous dithionite and hydroxide Heavy metal ions react with ferrous dithionite in acidic aqueous solution. They are reduced to metallic particles that are suitable for recycling and reuse when recovered from the acidic water. Chelating agents that are present are deactivated by bonding ... | 02/14/1995 |
| 5384036 | Effluent treatment A method of treating chemical liquid, and in particular photographic effluent, to render it more environmentally acceptable, by the addition to an alkaline solution of a salt of a Group III or transition metal to complex with and precipitate out a sequest... | 01/24/1995 |
| 5380443 | Method of treating waste water A process of treating water to remove metal ion contaminants contained therein, said metal ion contaminants selected from the group consisting of metals in Groups 8, 1b, 2b, 4a, 5a, or 6a of the periodic table, lanthanide metals, and actinide metals inclu... | 01/10/1995 |
| 5372726 | Compound for the treatment of water polluted with metal ions, process for its production and application A compound for the treatment of water polluted by metal ions is obtained by the reaction of potassium or sodium hydroxide in aqueous solution with thiocarbamide and potassium or sodium hyposulfate. After a period of settling, a precipitate forms and is re... | 12/13/1994 |
| 5370800 | Method for removing metal compounds from waste water A method for removing metal compounds from waste water comprising the steps of adjusting the pH of the water to from 5 to 12 and preferably 6 to 9; aerating the waste water; adding a flocculating agent to the water and allowing floccules including metal c... | 12/06/1994 |
| 5370801 | Method for treating polluted material A method for treating polluted material such as industrial waste water or polluted water from other sources, sewage or sewage sludge, or other forms of sludge, to degrade oxidizable substances therein. The polluted material is subjected to a wet oxidation... | 12/06/1994 |
| 5368741 | Treatment of aqueous phosphorus wastes Aqueous phosphorus wastes from the electric furnace production of phosphors and containing heavy metal bearing particulates are treated with lime whereby the phosphorus is converted into useful phosphorus compounds and the heavy metals rendered sufficient... | 11/29/1994 |
| 5366715 | Method for selectively removing antimony and bismuth from sulphuric acid solutions The present invention is concerned with a method for selectively removing antimony and bismuth from an impure sulphuric acid solution containing at least 50 g/L of acid and some concentration of ferric ion (for example copper refinery electrolyte), is dis... | 11/22/1994 |
| 5366640 | Conversion of phosphoric acid waters Converting wet-process phosphoric acid operations, to minimize and nearly eliminate discharge of contaminants to the environment, by generation, use, and treatment of new and unique process waters. Fluorides and other contaminants soluble under acidic con... | 11/22/1994 |
| 5360514 | Treatment of bleach plant filtrations using a magnesium filter In the bleaching of paper pulp without chlorine, such as using an OTZE or OZP bleach sequence, filtrate from subsequent stages is used as a wash liquid in preceding wash stages. The filtrate is treated with a fiber filter, and then passes through a magnes... | 11/01/1994 |
| 5354478 | Alkali metal borohydride/anionic polymer solutions An aqueous solution of sodium borohydride, sodium hydroxide, and an anionic polymer is useful for the reduction and separation of metals in wastewater and it is hydrolytically stable for a period of six months. It may also contain an alkali metal aluminat... | 10/11/1994 |
| 5350522 | Effluent treatment A method for treating photographic effluent to remove harmful pollutants and which reduces silver and iron ion concentrations in the effluent to no more than about 2 ppm is disclosed. The method includes an oxidation step to convert reducing sulfur compou... | 09/27/1994 |
