Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 6942779 | Method and system for regenerating of plating baths The present invention provides a system and method for selectively removing one or more organic and inorganic and also preferably one or more inorganic contaminants from plating baths. More particularly, the invented method relates to the use of a source of energy i... | 09/13/2005 |
| 5338459 | Muddy and waste water treatment method A water treatment method and device can perform a regeneration treatment of the muddy water once used in a water excavation work to decrease its specific gravity for reuse in the water excavation work, and a dehydration treatment of various waste waters s... | 08/16/1994 |
| 5160634 | Desalinization system A system and method are disclosed for desalinating sea water. The system includes an energy source such as a laser 13, and a container 19 (partly or wholly transparent) for holding the sea water, the sea water having sodium and chlorine ions and a solvent... | 11/03/1992 |
| 5094758 | Desalinization system and method A system and method are disclosed for desalinating sea water. The system includes an energy source such as a laser 13, and a container 19 (partly or wholly transparent) for holding the sea water, the sea water having sodium and chlorine ions and a solvent... | 03/10/1992 |
| 4976861 | Method for determining the wetting characteristic of a porous medium This invention provides a method for determining the wetting characteristic of a porous medium comprising applying at least one or more drops of each of at least two different liquids having different but closely spaced surface tensions to different locat... | 12/11/1990 |
| 4882072 | Method and apparatus for treating bodies of water A method of treating bodies of water such as lakes to correct chemical, biological or other imbalances in the aquatic environment by accurately dispensing a treatment agent into the water in an amount based upon the volume of water being passed over and c... | 11/21/1989 |
| 4842743 | Method of removing solvent from chlorinated resin A solvent remaining in a chlorinated resin can be removed away be bringing the solvent into contact with a fluid carbon dioxide being in a supercritical or liquid state.... | 06/27/1989 |
| 4430230 | Method for removal of impurities from liquid mixtures A method for the removal of liquid or solid impurities from an impurities-containing liquid mixture wherein the impurities immiscible or occasionally miscible with the liquid medium are emulsified or finely suspended in the liquid medium, which comprises ... | 02/07/1984 |
| 4356093 | Method of increasing the effectiveness of or the effective production rate of a process by integrated feed A method of increasing the production or efficiency of a process in which a fluid is passed through a matrix the efficiency of which decreases with use in which the matrix is initially filled at a high rate, and an initial flow rate on the order of not mo... | 10/26/1982 |
| 4332623 | Adsorption separation method and apparatus thereof A method for separating a starting fluid containing at least one component which is easy to adsorb and at least one component which is hard to adsorb into the respective components by the use of an adsorption separator which comprises a packed bed where a... | 06/01/1982 |
| 4243522 | Method and apparatus for utilizing heat content in waste water Method and apparatus for utilizing the heat content in waste water which has passed through a biological purification plant, the last step of which comprises subjecting the waste water to sedimentation in a settlement tank. A heat pump is provided having ... | 01/06/1981 |
| 4219387 | Solar still A solar still adapted to float on a body of water has a toroidal evaporating chamber with sunlight admitting and absorbing, respectively, top and bottom walls for vaporizing water from the body admitted to overlie the bottom wall. A surrounding inner floa... | 08/26/1980 |
| 4218314 | Hyperfiltration scoop apparatus and method The efficiency of membrane separation is enhanced in a hyperfiltration process by scooping off controlled amounts of the boundary layer at desired points along the flow path where useful concentrations have been achieved avoiding the necessity of bringing... | 08/19/1980 |
| 4211649 | Method of and apparatus for treating water A housing or porous water-permeable material containing granular water-treatment particles is immersed in a quantity of water, and means are provided for effecting circulation of the water through the housing whereby certain chemicals are removed from the... | 07/08/1980 |
| 4179367 | Thickening urinary and intestinal tract excrement Urinary and intestinal tract excrement, such as from a stoma patient, is thickened by admixture with a cross-linked water-swellable polymer, preferably including (meth)acrylic acid, nitrile and/or amide units. A hydrophilic adsorption agent such as silici... | 12/18/1979 |
| 4179366 | Method for the biological purification of effluent and the plant for carrying out the process Effluent to be biologically purified is poured serially through three interconnected tanks with the first two tanks acting as activation tanks and the last tank acting as a post-clarification tank. After the concentration of activated sludge in the first ... | 12/18/1979 |
| 4171263 | Pressurized oxygenation of sewage An activated sludge sewage treatment process which includes a mixed liquor tank and a pressure vessel much smaller in size than said mixed liquor tank. At least a portion of the influent to said tank is directed to the pressure vessel where oxygen is diss... | 10/16/1979 |
| 4145280 | Method and device for separating a mixture Method of separating a mixture of a carrier medium and at least one substance insoluble therein, for example, water and oil or gas and soot, in which the mixture is separated in three steps, i.e. a first step in which the mixture is passed for coalescence... | 03/20/1979 |
| 4144165 | Dialyzer, system and dialysis method A dialyzer and a dialysis system particularly adapted to fast dialysis and avoidance of contamination or spillage. Adjustable upper and lower clamp units are provided on a central shaft. Means are provided to securely mount a plurality of dialysis bags ar... | 03/13/1979 |
| 4136024 | Aerosol dispersion of microorganisms to eliminate oil slicks Methods for the elimination of hydrocarbon contamination from surfaces of the earth, such as fuel oil spills on the ocean or like water surfaces, in which at least one liberated aerosol cloud containing a combination of one or more bacterial microorganism... | 01/23/1979 |
| 4111660 | Liquid-liquid extraction method and apparatus A liquid-liquid extraction method and apparatus using an elongated extraction column arranged at an angle to the horizontal. The column is divided by means of partitions into a plurality of compartments which are in communication by apertures in such part... | 09/05/1978 |
| 4100746 | Protected aquatic sports area Aquatic sports zones are reclaimed or made by bounding non-shore areas of the zone with a plurality of end-to-end connected water impervious flotation boom sections, anchoring the formed boom in the bound zone, and attaching the ends of the boom to pier b... | 07/18/1978 |
| 4076515 | Method for treatment of digester supernatant and other streams in wastewater treatment facilities Digester supernatants and/or liquors from sludge dewatering are reacted with an excess of an alkaline reagent having a stronger cation than the ammonium ion and the reaction product is separated into a solution containing aqueous ammonia and solids. The a... | 02/28/1978 |
| 4066545 | Bilge water disposal system including oil recovery means An environmentally protective bilge water disposal system utilizes an inverted dome gravitational oil separator unit in combination with an engine exhaust flash water vaporizor to remove and recover oil contamination from the bilge water prior to its disp... | 01/03/1978 |
| 4017421 | Wet combustion process Aqueous solutions and suspensions of solid particles, even those containing less than one percent of organic materials, may be combusted with air, oxygen, or their mixtures in a process which provides for preheating in countercurrent batches of the raw or... | 04/12/1977 |
| 4008155 | Apparatus for disposal of effluents This invention relates to the treatment and disposal of effluent, particularly the treatment and disposal of sewage, by apparatus which is floatable in water and able to be located by moorings or otherwise for example at sea wherein sewage can be pumped o... | 02/15/1977 |
| 3933636 | Apparatus and method for disposing of solid human excrement in an engine-driven conveyance A waste disposal system and method which incinerates solid human excrement evacuated into a toilet bowl employing a reusable chemical flushing liquid. The liquid discharges into an individual holding tank and thereafter is reusable for additional flushes ... | 01/20/1976 |
