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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7736584 | Method for manufacturing a mixer-settler and mixer-settler The invention relates to a method for manufacturing a mixer-settler used in hydrometallurgical metal processes, such as liquid-liquid extraction, and to a mixer-settler structure where chemically resistant material, such as plate-like wall elements made of reinforce... | 06/15/2010 |
| 7404924 | Flotation device A flotation device for mixing and aerating an ore-containing slurry, comprising a tank having a conical-shaped floor. A vertically positioned flotation assembly is located within the tank. The open bottom of the flotation assembly is shaped is positioned above the c... | 07/29/2008 |
| 7314500 | Systems and methods for removing contaminate material from a flowable material A method of removing contaminate material from a flowable material, comprising the following steps. A first container defining a first chamber is provided. A second container defining a second chamber is arranged within the first chamber. A first removal material is... | 01/01/2008 |
| 7070685 | Method and device for decontaminating water which contains metal and/or is radioactively contaminated The invention relates to an efficient process and device for the decontamination of waters polluted with heavy metals, semimetals and/or radionuclides by cation exchange and electrochemical deposition of the anions. ... | 07/04/2006 |
| 7033480 | Process for recovering platinum group metals from material containing base metals The process of the present invention recovers platinum group metal(s), such as platinum and palladium, from PGM-containing materials containing base metals, such as copper and nickel. The process controls sulfur levels by using solvent extraction 306 to remov... | 04/25/2006 |
| 7022281 | Systems and methods for removing contaminate material from a flowable material A removal system for removing contaminate material from a flowable material. The removal system comprises a first and second containers and first and second removal material. The first container defines a first chamber. The second container defines a second chamber ... | 04/04/2006 |
| 6991669 | System and method for silver recovery and monitoring A silver recovery and monitoring system including a sensor for transmitting a silver concentration signal in response to the concentration of silver in a fluid, means for determining whether the silver concentration signal indicates the concentration of silver in th... | 01/31/2006 |
| 6942807 | Iron powder and sand filtration process for treatment of water contaminated with heavy metals and organic compounds A water filtration device (3) and method which removes heavy metals and organic compounds from raw water is provided. ... | 09/13/2005 |
| 6780221 | Waste metal removal systems and methods A removal system for removing a waste metal from a waste solution. The removal system comprises outer and inner containers, inlet, intermediate, and outlet conduits, and first and second reaction media. The inner container defines an upper wall portion and is locate... | 08/24/2004 |
| 6743276 | Method and apparatus for solar heating a mining leach solution A method and apparatus for solar heating a leach solution prior to its distribution over an ore heap. The apparatus includes a heat absorbing mat having a series of individual heat absorbing tubes joined to each other by heat reflecting panels. The heat reflecting p... | 06/01/2004 |
| 6685877 | Apparatus for heating flowing material containing solids The invention relates to an apparatus for the heating of flowing material containing finely divided solids, such as concentrate slurry containing precious metals and/or precious minerals, up to a desired temperature range, for instance the temperature ran... | 02/03/2004 |
| 6616730 | Method and device for activating a physical and/or a chemical reaction in a fluid medium It is possible to activate a physical reaction and/or a chemical reaction in a medium, comprising a solution and solid matter that is freely dispersed in said solution, by placing the mixture in a reactor that has two walls which are located opposite clos... | 09/09/2003 |
| 6613271 | Apparatus and methods for recovering valuable metals Apparatus and method for continuously separating a dense valuable material such as gold from a feed including a grinding mill (2) which directs a crushed feed through hydrocyclones (9) for separation into a light and dense fraction. The dense fraction is ... | 09/02/2003 |
| 6572677 | Gelatin encapsulated metal powder for silver recovery from processing solutions The present invention relates to the use of fine metal particles for the recovery of silver from a silver-bearing photographic waste solution. In particular, the metal particles are encapsulated in a hydrophilic colloid that allows for the permeability of... | 06/03/2003 |
| 6558449 | Waste metal removal systems and methods A removal system for removing a waste metal from a waste solution. The removal system comprises outer and inner containers and inlet, intermediate, and outlet conduits. The outer container defines an outer chamber, and the inner container defines an inner... | 05/06/2003 |
| 6391165 | Reclaiming metallic material from an article comprising a non-metallic friable substrate A system for reclaiming cadmium and tellurium from cadmium telluride solar cell. The system comprises a crushing apparatus for crushing cells into pieces, a first conveyor for transporting solar cells to the crushing apparatus, a barrel for receiving etch... | 05/21/2002 |
| 6350354 | Modular solvent extraction plant A modular solvent extraction plant for extracting metal from a metal are is provided. It includes a stage-wise, plug flow contactor that mixes an aqueous solution and an organic solvent solution into a mixed emulsion, a reactor to further mix the solution... | 02/26/2002 |
| 6200521 | Waste recovery system A silver waste recovery system including a container having an inlet and an outlet at a lower elevation than the inlet, filler material in a silver cell is in communication with the inlet and a separate non-silver reactive filter is in communication with ... | 03/13/2001 |
| 6156262 | Melter gasifier for the production of a metal melt A melter gasifier (10) for the production of a metal melt and of a reducing gas is provided with feed ducts (17, 16, 9) for oxygen-containing gases, carbon carriers and the metal carriers. From the melter gasifier (10) there departs at least one gas disch... | 12/05/2000 |
| 6120194 | Photographic liquids effluent discharge Spent color photography liquids comprising alkaline developer liquid and fixer liquid loaded with iron ions generate a dischargeable effluent, in which clogging of drains and conduits with precipitated iron oxides is minimized or avoided; the liquids are ... | 09/19/2000 |
| 6096209 | Three media silver recovery apparatus A silver recovery apparatus is provided for removing silver from waste solutions. The apparatus includes a vessel which defines an internal cylindrical chamber having a transverse cross sectional area. An inlet port is provided at a first end of the vesse... | 08/01/2000 |
| 6090341 | Method and system for extracting and refining gold from ores A process and system and for extracting and refining gold from ores using relatively benign and inexpensive chemicals, fewer process steps, and permitting the recycling and re-use of process chemicals. The invention is preferably implemented as a two part... | 07/18/2000 |
| 6053964 | Apparatus and method for applying a leaching solution to ore An apparatus for applying a leaching solution to a mass of ore includes a plurality of first tubes which are connected to a supply of leaching solution. Each of the first tubes is fitted with emitters which are positioned at spaced intervals along the len... | 04/25/2000 |
| 6042775 | Silver reclamation system A silver reclamation system for use with photographic solution. The silver reclamation system includes a body containing a plurality of metallic members positioned within a flow chamber and a metallic mesh contained within the body. The photographic solut... | 03/28/2000 |
| 5976219 | Method and apparatus for recycling of scrap metal A process for the recycling of scrap metal, such as copper wire, comprises the steps of combining the scrap metal with a concentrate of a metal similar to the scrap metal in a pressure vessel (10) and subjecting the metal concentrate to pressure oxidation... | 11/02/1999 |
| 5900041 | Value metal recovery Value metal, for example, silver in a spent silver bearing photographic solution is efficiently recovered in an exchange mass comprising a particulate inert substrate, for example, cellulosic fibers, synthetic fibers or sponge particles, co-mingled and in... | 05/04/1999 |
| 5868995 | Dynamic mining system comprising hydrated multiple recovery sites and related methods A mining system and related methods are disclosed by which gold and/or other heavy metals are recovered at multiple sites along a continuously hydrated ore processing route. The gold-bearing ore and primary or carrier water are dynamically and circuitousl... | 02/09/1999 |
| 5863491 | Photocatalytic reactor for metal recovery from industrial waste streams A photocatalytic reactor to recover precious metals, useful metals, and toxic metals from industrial waste streams using visible or ultraviolet light and semiconductor material as the photocatalyst. Seeds of metal in the same metal group as the metals bei... | 01/26/1999 |
| 5837188 | Silver recovery system A silver recovery system including a container having an inlet and an outlet, a core member positioned within the container, a filler material adjacent to the core member and being of a metal above silver in the electromotive force series, and a non-metal... | 11/17/1998 |
| 5792347 | Effluent precipitation and neutralization vessel and method A neutral dischargeable effluent is developed by reaction between an acidic, spent photographic fixer liquid and an alkaline, spent photographic developer liquid; the spent fixer liquid contains iron in solution, the iron being introduced in a de-silverin... | 08/11/1998 |
| 5759228 | Nozzle for electric dispersion reactor A nozzle for an electric dispersion reactor includes two coaxial cylindrical bodies, the inner one of the two delivering disperse phase fluid into a continuous phase fluid. A potential difference generated by a voltage source creates a dispersing electric... | 06/02/1998 |
| 5738821 | Nozzle for electric dispersion reactor A nozzle for an electric dispersion reactor includes two concentric electrodes, the inner one of the two delivering disperse phase fluid into a continuous phase fluid. A potential difference generated by a voltage source creates a dispersing electric fiel... | 04/14/1998 |
| 5728295 | Apparatus for removing metal ions and/or complexes containing metal ions from a solution Metal ions and/or complexes of metal ions are removed from a solution by formation of an insoluble chelated complex of the metal ions and a polymeric precipitating agent. A two-step process of mixing the influent with the precipitating agent is used to in... | 03/17/1998 |
| 5688401 | Apparatus for removing silver from spent photoprocessing solution Spent solutions from photographic processors are fed into a conduit (18) to which subsequently are added precipitating agents from a first source (22) and flocculating agents from a second source (28); so that, well grown or ripened clumps of flocculated ... | 11/18/1997 |
| 5685962 | Apparatus for silver recovery The apparatus allows at least two film processor fixing solution tanks for black and white films with silver-based coating to be connected to a silver recovery unit. To that end, an intermediate storage tank is connected between the fixing solution tanks ... | 11/11/1997 |
| 5662861 | Liquid extraction Apparatus for liquid extraction is described. The apparatus includes a mixer to which a solvent stream (15) and a feed stream (16) are fed and in which they are mixed to form a flow stream or dispersion. The flow stream is fed to a two-stage settler (17) ... | 09/02/1997 |
| 5641452 | Device for recovering silver from fluids and process using same A silver recovery device for recovering silver from silver containing fluids is provided. The silver recovery device includes an outside container having a fluid inlet and a fluid outlet. A silver recovery cartridge, positioned within the outside containe... | 06/24/1997 |
| 5626816 | Silver recovery system A system for recovering silver as a free metal from silver-bearing liquid. The silver recovery system includes a holding tank for receiving silver bearing liquid having an opening in its top and a removable cover for closing the opening. A pair of silver ... | 05/06/1997 |
| 5603890 | Silver recovery unit A silver recovery unit for precipitating silver from photographic solutions and the like. The silver recovery unit is provided with a container having an inlet and an outlet. Positioned within the container is a silver reduction assembly including a hollo... | 02/18/1997 |
| 5503372 | Nozzle for electric dispersion reactor A nozzle for an electric dispersion reactor includes two coaxial cylindrical bodies, the inner one of the two delivering disperse phase fluid into a continuous phase fluid. A potential difference generated by a voltage source creates a dispersing electric... | 04/02/1996 |
