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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 |
| 8012238 | High temperature heap bioleaching process A heap is constructed with hypogenic copper sulfide bearing ore to include exposed sulfide mineral particles at least 25 weight % of which are hypogenic copper sulfides. The concentration of the exposed sulfide mineral particles is such that the heap includes at lea... | 09/06/2011 |
| 7998244 | Process of treating metal bearing crushed rock to control respirable dust during transport in the process including a metal concentrating circuit A method of alleviating dust in the early stages of metal ore processing, such as copper ore, through mining the ore through concentration involves spraying and wetting crushed ore rock and ground particles and dust at least several of a series of locations with a d... | 08/16/2011 |
| 7361283 | Extraction and treatment of heavy metals Contaminated waste streams or soil or sludge is subjected to a first treatment stage with an acid liquor at a pH below 2 and at a solids content from 5 to 30%; then the liquid and solid phases from the first treatment stage are separated; the solids from the first t... | 04/22/2008 |
| 7285256 | Precious metal recovery using thiocyanate lixiviant Precious metal-containing mineral material is subjected to an acidic thiocyanate leach to dissolve the precious metal as a precious metal-thiocyanate complex. A feed of the thiocyanate leach solution may include a large molar ratio of ferric iron to thiocyanate. Pre... | 10/23/2007 |
| 7268273 | Recovering metals from soil The invention relates to recovering metals, such as nickel and cobalt, by phytomining or phytoextracting soils rich in metals wherein the desired metal is selectively accumulated in hyperaccumulator plants by adjusting the soil pH. The metals are ultimately recovere... | 09/11/2007 |
| 7214516 | Bacterial effects on metal accumulation by plants The invention includes methods for (1) extracting metals from soil by the use of plants that extract and accumulate the metal and adding bacteria to the soil that enhances the ability of the plants to extract the metal, and (2) preparing soil for extraction of a met... | 05/08/2007 |
| 7182894 | Process for the preparation of free standing membranes The invention discloses a method for synthesizing hollow structured freestanding membrane having pore size of 2 to 200 nm which provides long-term stability that makes it viable for many practical applications such as protein separation and drug delivery. ... | 02/27/2007 |
| 7160566 | Food surface sanitation tunnel This invention is a modular, adjustable, easy to maintain, portable or fixed food sanitation tunnel, comprising an enclosing means for subjecting food to sanitizers including UV light, ozone, hydroperoxides, superoxides and hydroxyl radicals, and a method for using ... | 01/09/2007 |
| 7160354 | High temperature heap bioleaching process A heap is constructed with hypogenic copper sulfide bearing ore to include exposed sulfide mineral particles at least 25 weight % of which are hypogenic copper sulfides. The concentration of the exposed sulfide mineral particles is such that the heap includes at lea... | 01/09/2007 |
| 7156894 | Method for recovering metal values from concentrates of sulfide minerals A method of recovering precious metal values from refractory sulfide ores is provided. The method includes the steps of separating clays and fines from a crushed refractory sulfide ore, forming a heap from the refractory sulfide ore, producing a concentrate of refra... | 01/02/2007 |
| 7069690 | Compositions and methods for removing pollutants from contaminated wafer with a fern plant Processes and materials for phytoremediating water-containing sites which have been contaminated with pollutants such as arsenic, phosphorous, or other metals. Fern plants can be used to accumulate pollutants from contaminated water-containing sites having an aqueou... | 07/04/2006 |
| 7065920 | Contaminant removal by additional ferns Processes, methods, materials and compositions for phytoremediating contaminated waters, which have been contaminated with pollutants such as arsenic. Fern plants that include Pteris and non-Pteris fern plants can be used to accumulate pollutants from ... | 06/27/2006 |
| 7066982 | Contaminant removal by ferns via foliar-application and excised/ground fronds Processes, methods, materials and compositions for phytoremediating contaminated waters, which have been contaminated with pollutants such as arsenic, phosphorous, or other metals. Fern plants can be used to accumulate pollutants from contaminated water, including a... | 06/27/2006 |
| 7049492 | subspecies for cadmium and zinc recovery A cadmium and zinc hyperaccumulating subspecies from Thlaspi caerulescense and methods for removing or recovering cadmium and zinc from soils by cultivating the Thlaspi caerulescense subspecies on soils containing cadmium and zinc. ... | 05/23/2006 |
| 7022504 | Method for the bacterially assisted heap leaching of chalcopyrite A method for the bacterially assisted heap leaching of chalcopyrite includes providing a chalcopyrite containing ore heap to oxidize sulphide minerals therein, the heap containing and/or being inoculated with a sulphide oxidizing bacterial culture that either does n... | 04/04/2006 |
| 6969499 | Bacterially assisted heap leach A bacterially assisted heap leach characterized by the steps of: providing an ore heap to oxidize sulphide minerals therein; providing a biological contactor inoculated with ferrous iron oxidizing bacteria; providing at least one leach solution pond to feed solution... | 11/29/2005 |
| 6967098 | Process for changing the appearance of stone, concrete, or hard surfaces by applying microorganisms A preferred method by which microorganisms and nutritive media are sprayed, brushed, dripped, or otherwise applied, onto freshly cut rock, stone, freshly formed concrete, or other hard manmade surface, in order for the target surface to take on a weathered appearanc... | 11/22/2005 |
| 6958435 | Methods for accumulating selenium in edible brassica A method of producing edible Brassica plants capable of accumulating significant concentrations of selenium in edible portions of the plant. Edible Brassica plants were grown in an environment containing selenium, the plants were cultivated under condi... | 10/25/2005 |
| 6955791 | Environmental air sterilization system The present invention is a high volume, wall-mountable air sanitation apparatus for disinfecting and removing VOCs from air with high energy UV light and ozone. The apparatus has a powerful fan and an elongated UV light source and target for use with the movement of... | 10/18/2005 |
| 6926753 | Non-biochemical method to heap leach copper concentrates A procedure to agglutinate ore concentrations, which can be of copper, on a gravel heap, to be leached on a non-flooded bed which comprises: artificially adhering the concentrate to the surface of a solid material base, which can be an artificial material, or a ston... | 08/09/2005 |
| 6921426 | Process of recovering copper from ore A copper concentrate obtained by flotation of a high grade copper ore containing chalcopyrite as a main mineral constituent is leached at a temperature of 100° C. or higher, and under a pressure greater than atmospheric pressure yielding a copper leachate containin... | 07/26/2005 |
| 6884280 | Heat transfer in heap leaching of sulphide ores A method of leaching sulphide mineral concentrates wherein heat generated by bioleaching of sulphide mineral concentrates in at least one reactor is transferred into a heap in which bio-assisted leaching takes place. ... | 04/26/2005 |
| 6863709 | Method and apparatus for the continuous production of foamed metals A method for continuously producing foamed metals is disclosed. The method comprises the steps of (i) adding a previously dissolved molten metal to a viscosity-enhancing furnace and agitating the molten metal so as to uniformly maintain the viscosity of the molten m... | 03/08/2005 |
| 6833020 | Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed A method of recovering copper from a copper bearing sulphide mineral which includes the steps of subjecting the slurry to a bioleaching process, supplying a feed gas which contains in excess of 21% oxygen by volume, to the slurry, and recovering copper from a biolea... | 12/21/2004 |
| 6802888 | High temperature heap bioleaching process According to the process, a heap preferably having dimensions of at least 2.5 m high and 5 m wide is constructed with hypogenic copper sulfide bearing ore. The constructed heap includes exposed sulfide mineral particles at least 25 weight % of which are hypogenic co... | 10/12/2004 |
| 6792336 | Learning-based controller for biotechnology processing, and method of using The present invention relates to process control where some of the controllable parameters are difficult or impossible to characterize. The present invention relates to process control in biotechnology of such systems, but not limited to. Additionally, the present i... | 09/14/2004 |
| 6786948 | Method for phytomining of nickel, cobalt and other metals from soil The recovery of nickel, cobalt and other metals by phytomining is described. Plants of the Alyssum genus are grown in nickel rich soil. The uptake of nickel is enhanced by maintaining specific soil conditions, including a concentration of calcium between (but not in... | 09/07/2004 |
| 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 |
| 6736877 | Heap bioleaching process for the extraction of zinc A method of extracting zinc from a sulphidic ore is provided which comprises bioleaching the ore in a heap with acidophilic microorganisms to produce a pregnant leach solution which is recovered from the bottom of the heap. An integrated process which comprises subj... | 05/18/2004 |
| 6733567 | Recovery of nickel from nickel bearing sulphide minerals by bioleaching A method of recovering nickel from a nickel bearing sulphide mineral slurry which includes the steps of subjecting the slurry to a bioleaching process, supplying a feed gas which contains in excess of 21% oxygen by volume, to the slurry, and recovering nickel from a... | 05/11/2004 |
| 6719822 | Process for decontamination Material is decontaminated of a pollutant by using perennial woody plants with the ability to accumulate the pollutant in the leaves in high concentrations. The decontamination is based on a combination of phytoextraction, pollutant transport with the falling of the... | 04/13/2004 |
| 6652622 | Method for recovering metal values from concentrates of sulfide minerals A method of recovering precious metal values from refractory sulfide ores is provided. The method includes the steps of separating clays and fines from a crushed refractory sulfide ore, forming a heap from the refractory sulfide ore, producing a concentra... | 11/25/2003 |
| 6458184 | Recovery of zinc from geothermal brines Improved methods are disclosed for the efficient and cost-effective recovery of zinc metal from zinc-containing brines. Zinc is first bound to an anionic ion exchange resin (IX) which has been equilibrated with a solution containing a reducing agent, wash... | 10/01/2002 |
| 6428597 | Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery Methods and compositions for increasing the recovery of precious metals from ore during heap leaching operations are disclosed. The methods add polypropylene glycol and alkylphenol ethoxylate in a paraffin oil solvent with the cyanide lixivant to the ore ... | 08/06/2002 |
| 6410304 | Method of biotreatment for solid materials in a nonstirred surface bioreactor A method of biotreating a solid material to remove an undesired compound using a nonstirred surface bioreactor is provided. According to the method the surface of a plurality of coarse substrates is coated with a solid material to be biotreated to form a ... | 06/25/2002 |
| 6395061 | Process for organic acid bioleaching of ore A process for leaching an ore that contains nickel and magnesium includes mixing a microorganism that is capable of producing an organic acid, a nutrient, and an ore that contains nickel and magnesium for a period of time to dissolve the nickel and form a... | 05/28/2002 |
| 6387155 | Method for recovering metal values from concentrates of sulfide minerals A method of recovering precious metal values from refractory sulfide ores is provided. The method includes the steps of separating clays and fines from a crushed refractory sulfide ore, forming a heap from the refractory sulfide ore, producing a concentra... | 05/14/2002 |
| 6375907 | Hydrogen sulfide abatement with scale control and/or well acidizing The emissions of hydrogen sulfide during the production of natural gas, oil or geothermal fluids from subterranean formations and the subsequent processing of these fluids is reduced by converting the hydrogen sulfide into a hydrogen halide or a halogen a... | 04/23/2002 |
| 6325840 | Process for treating by-products from zinc smelting and the like A process for treating zinc mine tailings wherein a series of wave tables and cone separators are utilized to remove various components from the zinc mine tailings, such as carbon, zinc, lead, copper and precious metals. The recovered carbon is then trans... | 12/04/2001 |
| 6312500 | Heap leaching of nickel containing ore A process is provided for heap leaching ore to recover nickel. The process is particularly effective for ores that have a tangible clay component (i.e., greater than about 10% by weight). The process includes sizing the ore (where necessary), forming pell... | 11/06/2001 |
