Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7357260 | Solid material separator A solid material separator for separating solid particles from a mixture containing liquid and these particles which enables the process of separating the solid particles from the liquid to be improved. The solid separator comprising a collecting vessel which is mov... | 04/15/2008 |
| 7090080 | Free wire reclaimer system for scrap tire processors An apparatus for providing free wire reclamation from a granulated stream of mixed metallic and nonmetallic material comprises a vibratory conveyor having a trough assembly mounted on a suspension system and coupled to a motor for causing the suspension system to vi... | 08/15/2006 |
| 7055696 | Rotary valve type magnetic foreign matter remover A rotary valve allowing a rotor to be stored rotatably in a tubular powder granular material feeding chamber in a casing, storing and feeding powder granular material received from a powder granular material feed port to the troughs of the rotor, and discharging the... | 06/06/2006 |
| 6968956 | Separation apparatus and methods A separation apparatus and method for use in separating magnetic material from non-magnetic material that includes the use of a magnetic grid, e.g., a permanently magnetic grid, which defines a plurality of openings. The grid assists in preventing magnetic material ... | 11/29/2005 |
| 6902066 | Removal unit for metal alien material removal apparatus Disclosed is a removal unit for removing metallic alien materials, which is adapted to remove metallic alien materials such as metal fragments contained in powder or liquid raw materials. The removal unit includes an outer plate, an inner plate spaced apart from the... | 06/07/2005 |
| 6730217 | Magnetic particle separator and method A tank [A] has a fluid inlet, a fluid outlet, and a closure [B] wherein the tank may be positioned in line as a pressure vessel. A magnetic core assembly includes elongated permanent magnets [C] and magnet covers or tubes [D] constructed of non-magnetic material for... | 05/04/2004 |
| 6355176 | Magnetic apparatus for collecting, conveying and releasing magnetic materials and method An assembly and method for collecting and releasing magnetic materials includes an elongated permanent magnet (A) within an elongated cover (B) constructed from non-magnetic material for providing a collection area for the magnetic materials thereon oppos... | 03/12/2002 |
| 6338903 | Resin composition for semiconductor encapsulation, method and apparatus for producing the composition, as well as semiconductor device using the composition A semiconductor encapsulating resin composition which is powdery particles of a resin composition comprising an epoxy resin, a curing agent and an inorganic filler, and produced through a series of unit operations inclusive of melt-kneading and pulverizat... | 01/15/2002 |
| 6330946 | Apparatus and method for separating particles Apparatus for separating particles such as minerals from a mixture including said particles. The apparatus includes means for generating a rotating magnetic field such as a rotating magnetic drum (71). The apparatus also includes means for exposing the mi... | 12/18/2001 |
| 6318558 | Method and device for separating different electrically conductive particles The invention relates for separating different electrically conductive particles, especially of waste materials, by means of an eddy-current separation, whereby the supplied particles to be separated are cooled. The invention also relates to an eddy-curre... | 11/20/2001 |
| 6190563 | Magnetic apparatus and method for multi-particle filtration and separation A novel method and apparatus for removing multi-particulate matter from a medium is disclosed. The device includes a containment vessel for accumulating particles, and the containment vessel includes an increased diameter, generally spherical portion for ... | 02/20/2001 |
| 6142310 | Magnetic sweeper The magnetic sweeper of this invention includes a laterally elongated hollow body of non-magnetic material having an open top and containing a pair of laterally spaced permanent magnets. The elongated side walls of the body have outwardly extending flange... | 11/07/2000 |
| 6068133 | System for separating non-magnetizable metals from a mixture of solids A system for separating non-magnetizable metals from a mixture of solid with a feed device; an endless conveyor belt with belt drums supported on a frame, of which the head drum at the discharge end is provided with a driven, eccentrically mounted and adj... | 05/30/2000 |
| 6062393 | Process and apparatus for separating particles of different magnetic susceptibilities A process and an apparatus for separating particles according to the strength of their magnetic susceptibilities includes a mass of loose particles transported on a moving surface over a plurality of long, thin, magnets separated by thin straps of ferroma... | 05/16/2000 |
| 6032881 | Process to remove radioactive elements present in bulk low-grade waste A method and system for separating, collecting and isolating radioactive metallic elements from low grade, dry, solid non-metallic nuclear bulk waste that includes physically degrading the low grade waste by shredding or grinding into small pieces, config... | 03/07/2000 |
| 5819949 | Apparatus for separating magnetic material and method A closure operator member (E) is urged by a fastening member (F) extending across opposed brackets (D) into sealing relation across an opening in an end member (C) extending about a tubular housing (B) for receiving a bar magnet (A). A camming action or w... | 10/13/1998 |
| 5791492 | Magnetic separator A magnetic separator having a chamber for receiving material to be separated. The magnetic separator utilizes magnets either along the outer surface of an elongated cylindrical chamber or as a fixed shaft of a helical conveyor. Two outputs are provided fo... | 08/11/1998 |
| 5740919 | Magnetic separator The present invention relates to a magnetic separator in the form of a conduit defined by axially mating halves. The magnet-containing housing disposed in the conduit includes an integral nose portion from which radiates a support member, the support memb... | 04/21/1998 |
| 5667074 | Magnetic separator A magnetic separator having a chamber for receiving material to be separated. The magnetic separator utilizes magnets either along the outer surface of an elongated cylindrical chamber or as the shaft of a helical conveyor. Two outputs are provided for di... | 09/16/1997 |
| 5636748 | Magnetic drum separator A magnetic drum separator for separating components having different magnetic properties out of an aggregate material employs a drum rotatably driven on a longitudinal axis. The drum has a cylindrical shell sidewall to have an open interior wherein a magn... | 06/10/1997 |
| 5622265 | Abrasive grit material recovery system A mobile apparatus and process for the separation and recovery of abrasive grit material from blasting material containing waste material and contaminants. The mobile apparatus has a low profile which facilitates the movement of the apparatus to job sites... | 04/22/1997 |
| 5568869 | Methods and apparatus for making continuous magnetic separations Magnetic separations are made by feeding material to a magnetic separator having elongated ferromagnetic bodies that are disposed parallel to each other with spaces therebetween, the bodies being disposed at an angle to the magnetic field direction. The m... | 10/29/1996 |
| 5549207 | Metal particle sweeper A hand held tool for gathering and later releasing metallic particles such as paper clips or a spilled box of pins or tacks includes a handle with a magnetic attached at the bottom and a sweeper cover covering the magnet and hinged to the handle. Ferrous ... | 08/27/1996 |
| 5520288 | Abrasive grit material recovery system A mobile apparatus and process for the separation and recovery of abrasive grit material from blasting material containing waste material and contaminants. The mobile apparatus has a low profile which facilitates the movement of the apparatus to job sites... | 05/28/1996 |
| 5470466 | Method and apparatus for removing ferrous particles from coolant fluid during machining The method and apparatus of removing metallic particles of magnetic material from coolant fluid used in a machining operation includes placing an assembly including elongated magnets (A) in elongated covers (B) constructed of a non-magnetic plastic with s... | 11/28/1995 |
| 5413225 | Magnetic sweeper A magnetic sweeper for collecting magnetically attractable debris from parking areas and the like using magnets in an aluminum tube. A collector plate is hinged to the tube in the magnetic zone so that the collector plate can be pivoted away from the magn... | 05/09/1995 |
| 5316151 | Magnetic particle separator A magnetic particle separator which provides a magnetic grate in which magnetic rods are inserted in non-magnetic tubes forming a magnetic grate in the particle stream to be separated. The Magnetic rods can be removed from the assembly only when the grate... | 05/31/1994 |
| 5285904 | Magnetic sweeper construction A hand-operated or vehicle-supported magnetic sweeper has a longitudinally elongated, hollow magnet-containing body member preferably formed in one piece of non-magnetic material which may include wheels mounted on its ends and a handle socket disposed ce... | 02/15/1994 |
| 5224604 | Apparatus and method for separation of wet and dry particles Apparatus and method for the separation of particles in either a liquid or gas stream is provided. The fluid stream is directed in a swirl-flow pattern to develop thereby centrifugal forces on the stream. Optionally, magnetic and/or electrical fields may ... | 07/06/1993 |
| 5137629 | Magnetic separator operating in a wet environment A high-intensity magnetic separator operating in a wet environment for separating magnetic particles from a fluid material comprises a separating unit which comprises a vertically extending housing having side walls defining a separating chamber, valved d... | 08/11/1992 |
| 5122269 | Magnetic filter A bar filter is disclosed which is fit for use in an apparatus for removing phosphates from waste water. Thereto phosphates are chemically bound to magnetic material, like magnetite, and subsequently the liquid containing the suspended particles is fed th... | 06/16/1992 |
| 5017283 | Method of magnetic separation and apparatus therefore An apparatus for magnetically separating and collecting particulate matter fractions of a raw sample according to relative magnetic susceptibilities of each fraction so collected is disclosed. The separation apparatus includes a splitter which is used in ... | 05/21/1991 |
| 4967912 | Bypass mechanism for magnetic separator A method utilizing a simple mechanism to circumvent the effect of the magnetic conveyor head (12) of a magnetic separator (11), whereby ferrous material such as steel cans can be diverted from the stationary reject chute (13) to go instead to the place wh... | 11/06/1990 |
| 4938866 | Conveyor residue removal apparatus An electric arc furnace includes a crucible having a metal shell for recovering precious metals from spent material. The shell includes a metal tap hole and a slag door positioned above and opposite the metal tap hole. A removable swinging roof is provide... | 07/03/1990 |
| 4904376 | Metal catching cover A removable cover for my earlier patented magnetic cleaning devices, the cover comprising a plurality of hollow pockets interconnected at their rear, open ends by thin webs which permit longitudinal flexiblity. The interconnected pockets are configured an... | 02/27/1990 |
| 4874508 | Magnetic separator An improved magnetic separator arrangement is provided. One major improvement relates to modifications facilitating utilization of relatively dense and tightly packed matrix material within races, through which a slurry of ore material passes during separ... | 10/17/1989 |
| 4867869 | Grate magnet A grate magnet apparatus comprising a frame defining an opening adapted to have material to be separated pass therethrough, a non-magnetic tube supported by the frame and extending across the opening, and an elongated magnetic member removably housed in t... | 09/19/1989 |
| 4816143 | Method for continuous separation of magnetizable particles and apparatus for performing the method A method for continuous separation of magnetizable paramagnetic and/or diamagnetic particles from a flowing fluid laden with the particles includes guiding the flow through a separation region, penetrated by a high-gradient magnetic field along a primary ... | 03/28/1989 |
| 4784758 | Process for removing magnetic particles from a suspension of solids in a liquid A process which is especially useful for effecting magnetic separation of magnetically attractable impurities from an aqueous clay slurry or suspension includes passing the suspension through a porous, ferromagnetic matrix while applying a magnetic field ... | 11/15/1988 |
| 4755302 | Method and apparatus for matrix magnetic separation A method and mechanism for the magnetic separation of material from a fluid containing magnetic and non-magnetic material, passing the fluid through matrix containing canisters wherein the canisters are carried on a turret which moves axially and rotatabl... | 07/05/1988 |