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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 |
| 7147910 | Pyrolytic boron nitride crucible and method A method of forming a pyrolytic boron nitride (PBN) article and an article having layers of PBN separated by layers of PBN having a dopant of sufficient concentration to induce peeling, the steps of introducing vapors of ammonia and a gaseous boron halide in a suita... | 12/12/2006 |
| 7118789 | Silica glass crucible A silica glass crucible is manufactured by introducing into a rotating crucible mold bulk silica grain to form a bulky wall including a bottom wall and a side wall. After heating the interior of the mold to begin to fuse the bulk silica grains, an inner silica grain... | 10/10/2006 |
| 6840764 | Apparatus and process for producing charcoal from wood An apparatus and process for producing charcoal in a kiln from hardwood. The kiln is constructed over an array of hardwood logs supported on a suitable platform. Fill material is used to form a surrounding jacket surrounding the hardwood, a sawdust layer is applied ... | 01/11/2005 |
| 6841210 | Multilayer structured quartz glass crucible and method for producing the same Disclosed is a multilayer structured quartz glass crucible, for pulling up silicon single crystal, whose structure has at least three layers comprising: a translucent outer layer made of naturally occurring quartz glass and having a large number of pores, a transluc... | 01/11/2005 |
| 6670025 | Pyrolytic boron nitride crucible and method A method of forming a pyrolytic boron nitride (PBN) article and an article having layers of PBN separated by layers of PBN having a dopant of sufficient concentration to induce peeling, the steps of introducing vapors of ammonia and a gaseous boron halide... | 12/30/2003 |
| 6533993 | Variable height liner system A melting liner for an induction melting furnace includes an integral foot portion for locating a lip portion of the melting liner in a convenient position for pouring molten metal.... | 03/18/2003 |
| 6506048 | Apparatus and method for transferring heat treated parts A parts container for minimizing oxidation of heat-treated parts during transfer in an oxygen-containing environment. The container includes: a heat-resistant vessel having an interior space and including oppositely positioned first and second apertures; ... | 01/14/2003 |
| 6346306 | Method for molding dental restorations and related apparatus The present is invention is concerned with a heat deformable crucible used for the preparation of glass-ceramic materials and the resulting dental restorations. The crucible has a base and a side portion and is formed from the sintering of silica with a p... | 02/12/2002 |
| 6229956 | Flash evaporator vessel The resistant heated flash evaporator of the present invention is designed for flash evaporating a metal charge in a confined area and is substantially horse shoe in geometrical configuration having opposite ends and an upper section with the upper sectio... | 05/08/2001 |
| 6200385 | Crucible for growing macrocrystals A crucible 40 having an inner surface 42 not wetted by a melt which shrinks when it solidifies is provided with indentations 41 in the walls of the crucible to support an ingot grown in it. Supporting the crystal provides a gap between the bottom of the i... | 03/13/2001 |
| 6139983 | Corrosion-resistant member, wafer-supporting member, and method of manufacturing the same This invention relates to a corrosion-resistant member having a resistance to plasma of a halogen based corrosive gas, which comprises a main body and a corrosion-resistant layer formed on a surface of the main body and containing a fluoride of at least o... | 10/31/2000 |
| 6120286 | Vaporizer boat for metal vaporizing The invention concerns a resistance-heated vaporizer boat for vaporizing metal. According to the invention, a reduced temperature is generated in the edge region, i.e., along the longitudinal edge of the vaporizer boat, such that there is only a very slig... | 09/19/2000 |
| 6085025 | Elliptical ceramic evaporators An evaporator is provided for the evaporation of metal, which has a cross-sectional area in the region from which evaporation of the metal takes place which is greater than the corresponding cross-sectional area of a triangular evaporator of the same widt... | 07/04/2000 |
| 6074205 | Determination of volatile matter in samples A coal/coke sample is heated under controlled circumstances as a step in determining content of volatile matter. The sample is placed in a crucible having a lid and which is suspended by means of a crucible holder in a heating cavity of a furnace. The inv... | 06/13/2000 |
| 6057030 | Porous ceramic body and kiln furniture made from a porous ceramic body A porous ceramic body having a ceramic framework is produced having a surface roughness of about 40 microns or less. The ceramic body has a plurality of pores where each pore is interconnected with at least one adjacent pore. The ceramic body is made from... | 05/02/2000 |
| 5997802 | Directly susceptible, noncarbon metal ceramic composite crucible A sintered metal ceramic crucible suitable for high temperature induction melting of reactive metals without appreciable carbon or silicon contamination of the melt. The crucible comprises a cast matrix of a thermally conductive ceramic material; a perfor... | 12/07/1999 |
| 5989021 | Quartz crucible with large diameter for pulling single crystal and method of producing the same A large diameter quartz crucible with an inner diameter of 22 inches or more comprises an opaque silica glass outer layer having bubbles of 10 μm to 250 μm in diameter and 5 mm to 20 mm in thickness and a transparent silica glass inner layer having 0.5%... | 11/23/1999 |
| 5934900 | Refractory nitride, carbide, ternary oxide, nitride/oxide, oxide/carbide, oxycarbide, and oxynitride materials and articles Refractory ceramics and composite materials consisting of nitrides, carbides, mixed carbides and oxides, oxycarbides, mixed nitrides and oxides, and oxynitrides of Group IVB metals Hf, Zr, and Ti, Group IIA metals Be, Mg, Ca, Sr, and Ba, and Group IIIB me... | 08/10/1999 |
| 5882807 | Jig for heat treatment and process for fabricating the jig A jig used for heat treatment made from an SiC-coated silicon carbide material, wherein the SiC film is coated by the CVD method on a silicon carbide matrix in which silicon has been impregnated and wherein there are no pores with a diameter of 2 μm or l... | 03/16/1999 |
| 5827371 | Unibody crucible and effusion source employing such a crucible A unibody, monolithic, one-piece negative draft crucible for an MBE effusion source. The crucible maximizes capacity, uniformity and long term flux stability, and minimizes oval defects, depletion effects, and short term shutter-related flux transients. T... | 10/27/1998 |
| 5773147 | Ceramic-coated support for powder metal sintering This invention relates to an apparatus comprising: a) a article having a composition selected from the group consisting of graphite, carbon/carbon, carbon/graphite, and mixtures thereof, and b) a ceramic coating thereon, wherein the ceramic coating comprises a ... | 06/30/1998 |
| 5671322 | Lateral flash evaporator A resistant heated flash evaporator including a body of any desired geometry having two opposite open sides, a cavity which forms a continuous open area extending from each of the two opposite sides and at least one metal evaporating surface facing the op... | 09/23/1997 |
| 5617860 | Method and system for producing polarized 129 Xe gas A method and system for producing polarized 129 Xe gas in an economical manner, allowing the polarized 129 Xe gas to be used commercially in research and clinical applications. The production system of the present invention includes ... | 04/08/1997 |
| 5525313 | Apparatus for manufacturing a phosphor used in a display device An apparatus for manufacturing a phosphor for use in an electroluminescent panel includes a storage body that is permeable to a fluid, and an open boat for containing a phosphor material. The open boat is stored in, and has a shape corresponding to, the s... | 06/11/1996 |
| 5482257 | Non-graphite crucible for high temperature applications A multi-piece crucible for high temperature applications comprises a tubular side wall member having a lip on the inside surface and a bottom member or members forming a container for containing a melt of a material during a high temperature melt-casting ... | 01/09/1996 |
| 5452881 | Crucible for an analyzer An inexpensive crucible capable of obtaining a high analytical accuracy is provided. A circular projection is formed in a portion above a portion having an intermediate height on an inner circumferential surface of the graphite crucible to prevent contami... | 09/26/1995 |
| 5389582 | Cristobalite reinforcement of quartz glass Unique cristobalite-seeded quartz glass crucibles and cores admirably suited for Cz crystal growing and D.S. metal casting are formed by slip casting using a slurry containing a quartz refractory composition comprising silica particles with an average par... | 02/14/1995 |
| 5333844 | Non-graphite crucible for high temperature applications A multi-piece crucible for high temperature applications comprises a tubular side wall member having a lip on the inside surface and a bottom member or members forming a container for containing a melt of a material during a high temperature melt-casting ... | 08/02/1994 |
| 5313047 | Analytical sample preparation system An interchangeable module for supporting a receptacle into which a molten sample, prepared by a fluxer, can be poured for analysis. One module can support a resistively heated casting dish into which a molten sample can be poured and cooled to form a soli... | 05/17/1994 |
| 5247538 | Melting furnace with manipulator for closing crucibles vacuum-tight Apparatus for melting preferably highly reactive metals, such as titanium for example, in a vacuum melting furnace, for example a vacuum arc furnace for the remelting of metals, with one or more melting positions, a melting crucible (5, 28) being provided... | 09/21/1993 |
| 5098287 | Lid for improved dendritic web growth A lid for a susceptor in which a crystalline material is melted by induction heating to form a pool or melt of molten material from which a dendritic web of essentially a single crystal of the material is pulled through an elongated slot in the lid and th... | 03/24/1992 |
| 5085582 | Silicon nitride containers for the sintering of silicon nitride ceramics An enclosable vessel for containing a silicon nitride article during sintering in a furnace to protect the silicon nitride article from thermal decomposition and contamination reactions with furnace materials comprises a closeable walled container formed ... | 02/04/1992 |
| 5053359 | Cristobalite reinforcement of high silica glass A high-density silica glass article with excellent thermal shock characteristics is formed from a high purity vitreous silica containing an aluminum compound as a crystallization aid and having a dense concentration of cristobalite muclei. The aluminum co... | 10/01/1991 |
| 4971772 | High-purity lining for an electric low shaft furnace An inside lining for the reaction chamber of an electric low shaft furnace, particularly for producing high-purity silicon from silicon oxide by carbothermic reduction, is provided which has a melting crucible of dense graphite and a thermal insulation, w... | 11/20/1990 |
| 4680716 | Automatic method and apparatus for dosing samples In an automatic sample-dosing method and machine a "bead" is formed which is to be analysed by X-ray fluorescence with, the mixture being dosed in three stages: feeding with flux material (lithium tetraborate), feeding with sample material, and feeding wi... | 07/14/1987 |
| 4666681 | Apparatus for producing a monocrystal According to the invention, an apparatus for producing a monocrystal comprises at least one thermally conductive crucible for receiving the material, a thermally conductive holder having a part able to receive each crucible and extended by a projection, a... | 05/19/1987 |
| 4411619 | Flange and coupling cooling means and method Reaction vessels, furnace tubes, heating and cooling enclosures frequently have parts such as access ports, inlet tubes, inspection windows, etc. made of thermally transparent materials such as plastic, glass, quartz, oxides, nitrides and sulfides. When t... | 10/25/1983 |
| 4372543 | Cupel A cupel for the fire assaying of ore samples is provided having an improved configuration comprising a primary hemispherical cavity within which is disposed a secondary hemispherical cavity. The secondary cavity has a radius of curvature no greater than o... | 02/08/1983 |
| 4353535 | Crucibles for molten magnesium and method of forming A crucible for containing molten magnesium, and a process for forming the crucible. The crucible is formed from ferritic stainless steel, and particularly type 444 stainless steel plate. The method involves forming ferritic stainless steel plate into comp... | 10/12/1982 |
| 4303615 | Crucible with lid A self-sealing ceramic crucible and lid combination suitable for proximate analysis of coal or coke samples. The combination comprises a generally cylindrical crucible vessel having a substantially flat outside bottom surface one one end and being open on... | 12/01/1981 |
