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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 |
| 4225363 | Method for heat treating iron-nickel-chromium alloy A method for heat treating an age-hardenable iron-nickel-chromium alloy to obtain a morphology of the gamma-double prime phase enveloping the gamma-prime phase, the alloy consisting essentially of about 40 to 50% nickel, 7.5 to 14% chromium, 1.5 to 4% nio... | 09/30/1980 |
| 4214818 | Hot pressed SiC-high power laser mirror A high power laser mirror and method of making the same are disclosed. Essentially the mirror consists of a refractory composition substrate which is polished to an optical finish and overcoated with a high reflectivity metal and a dielectric film dispose... | 07/29/1980 |
| 4207123 | Coatings for reduced losses in (110) [001] oriented silicon iron Improved core losses at high operating inductions are obtained in (110) [001] oriented silicon iron through the application of a new coating to the finish gauge material and thereafter heat treating to effect transformation of the underlying steel to the ... | 06/10/1980 |
| 4206190 | Plasma arc production of silicon nitride This is a method of producing silicon nitride in a plasma arc furnace utilizing silicon metal or silicon dioxide as a starting material. When silicon metal is used it is reacted directly with a nitrogen bearing gas to produce silicon nitride. When silicon... | 06/03/1980 |
| 4202739 | Electrochemical removal of material from metallic work Deburring, polishing, surface forming and the like are carried out by electrochemical machining with conformable electrode means including an electrically conducting and an insulating web. The surface of the work to be processed is covered by a deformable... | 05/13/1980 |
| 4172742 | Alloys for a liquid metal fast breeder reactor An essentially gamma-prime precipitation-hardened iron-chromium-nickel alloy has been designed with emphasis on minimum nickel and chromium contents to reduce the swelling tendencies of these alloys when used in liquid metal fast breeder reactors. The pre... | 10/30/1979 |
| 4165990 | Coatings for reduced losses in (110) [001] oriented silicon iron Improved core losses at high operating inductions are obtained in (110) [001] oriented silicon iron through the application of a new coating to the finish gauge material and thereafter heat treating to effect transformation of the underlying steel to the ... | 08/28/1979 |
| 4142006 | Method of making a high power laser mirror Method of making a high power laser mirror. Essentially the mirror consists of a refractory composition substrate which is polished to an optical finish and overcoated with a high reflectivity metal and a dielectric film disposed to cover the high reflect... | 02/27/1979 |
| 4137076 | Electrical contact material of TiC, WC and silver An electrical contact suitable for use in high-current switching or circuit breaking, comprising a mixture of silver or copper with an alloy of tungsten carbide and titanium carbide. The contact material preferably uses from about 10% to about 90% silver ... | 01/30/1979 |
| 4130157 | Silicon nitride (SI3 N4) leachable ceramic cores A method of producing cast articles having internal cavities is disclosed. The method is particularly suitable for casting gas turbine components from nickel base and cobalt base superalloys. The method comprises: forming a core to the desired cavity conf... | 12/19/1978 |
| 4121953 | High strength, austenitic, non-magnetic alloy A cold-worked, high strength, non-magnetic, austenitic, ferrous alloy having high resistance to stress-corrosion cracking and hydrogen embrittlement. Composition of this alloy in weight percent is: With carbon plus nitrogen 0.35 to 0.8 and the manganese plus c... | 10/24/1978 |
| 4102698 | Silicon nitride compositions in the Si3 N4 -Y2 O3 -SiO2 system Dense, ceramic compositions fabricated within the Si3 N4 -Si2 N2 O-Y2 Si2 O7 compatibility triangle in the Si3 N4 -SiO2 -Y2 O3 s... | 07/25/1978 |
| 4088479 | Hot corrosion resistant fabricable alloy An alloy composition highly resistant to hot corrosion attack in combustion atmospheres and possessing good ductility, particularly suited for use as a coating material on gas turbine components. The alloy consists of 25-45% by weight chromium, 0-40% by w... | 05/09/1978 |
| 4082548 | Highcreep-resistant cobalt-base alloy A cobalt-base alloy particularly for the cast parts of gas engines which operate at high temperatures, such as stationary blades of turbines, vanes of large cross-sectional and the like. The alloy has the minimum practicable of zirconium so that detriment... | 04/04/1978 |
| 4082580 | Iron-nickel-molybdenum alloy having improved stability and high initial permeability An alloy is described which contains between about 33 and 35% nickel, about 1 and 4% molybdenum and the balance iron with incidental impurities. The alloy is characterized by having a completely secondarily recrystallized structure, improved stability pre... | 04/04/1978 |
| 4053559 | Production of uranium dioxide A continuous, four stage fluidized bed process for converting uranium hexafluoride (UF6) to ceramic-grade uranium dioxide (UO2) powder suitable for use in the manufacture of fuel pellets for nuclear reactors is disclosed. The process... | 10/11/1977 |
| 4048117 | Vacuum switch contact materials A material is described which is useful in electrical current switching devices and is especially adapted to form the contact surface of the electrodes of electrical current switching devices which are employed in a vacuum environment. The contact materia... | 09/13/1977 |
| 4043888 | Superconductive thin films having transition temperature substantially above the bulk materials A sputtering technique is described in which a thin film superconductor is produced which exhibits a transition temperature in excess of the transition temperature of the bulk material. High gas pressures and low voltages are employed to produce Nb3 | 08/23/1977 |
| 4041123 | Method of compacting shaped powdered objects A method for densifying to near theoretical density a shaped body of compacted powdered particles, particularly of a refractory material, by preforming a shaped body of compacted particles of a powdered material characterized by voids, enclosing the shape... | 08/09/1977 |
| 4040876 | High temperature alloys and members thereof An alloy consisting essentially of from about 14% to 19% chromium, from 25 to 35% of nickel, from about 2% to 3% molybdenum, from about 0.1% to 1% of silicon, up to 0.5% of manganese, from about 0.03 to 0.05% carbon, up to about 0.01% sulfur, up to about ... | 08/09/1977 |
| 4008081 | Method of making vacuum interrupter contact materials A method is described for forming contacts which find use in vacuum interrupters. The method comprises making melt of a first metal having a high electrical conductivity and adding to the melt a second metal having a melting point in excess of the first m... | 02/15/1977 |
| 4003788 | Nuclear fuel elements sealed by electric welding A nuclear-fuel assembly has an end plug and is sealed except for a small diameter axial bore in the plug. A welding electrode of the same material as the plug has an end ground to a point. The tapered end is then inserted into the bore. Before the bore is... | 01/18/1977 |
| 3992497 | Pressureless sintering silicon nitride powders A method of producing a silicon nitride article by powder techniques, wherein silicon nitride powder is used as a starting material. The silicon nitride powder, mixed with a densification aid, is heated rapidly to the sintering/densification temperature (... | 11/16/1976 |
| 3977919 | Method of producing doubly oriented cobalt iron alloys An alloy and process are described for obtaining improved magnetic characteristics in iron-cobalt alloys. The iron-cobalt alloys described are characterized by a cube-on-face texture, primary recrystallized and normal grain growth microstructure. Processe... | 08/31/1976 |
| 3978194 | Production of sized particles of uranium oxides and uranium oxyfluorides A process for converting uranium hexafluoride (UF6) to uranium dioxide (UO2) of a relatively large particle size in a fluidized bed reactor by mixing uranium hexafluoride with a mixture of steam and hydrogen and by preliminary reacti... | 08/31/1976 |
| 3961027 | Cyclic process for re-use of waste water generated during the production of UO2 Waste water containing large amounts of fluorides and ammonia and trace amounts of uranium, as is produced during the hydrolysis and ammonium hydroxide treatment of uranium hexafluoride (UF6) to produce ammonium diuranate (ADU) therefrom, is re... | 06/01/1976 |
| 3954421 | Alloys for high creep applications There is disclosed a ferritic alloy having a high creep resistance particularly suitable for use in the castings, the welding material, and welds of the casings and conductors of apparatus operating at high temperatures, typically steam turbines operating... | 05/04/1976 |
| 3954454 | Temper embrittlement free low alloy steel A low alloy rotor steel is described which is substantially free of temper embrittlement within given constraints. In addition to describing the chemical composition there is included equations for predetermining the fracture appearance transition tempera... | 05/04/1976 |
| 3948690 | Molded magnetic cores utilizing cut steel particles There is disclosed a magnetic core and the method of making the same. The core is formed of a plurality of microlaminations. Since each discrete microlamination is of elongated rectangular shape, soft, ductile and magnetically insulated, the cores exhibit... | 04/06/1976 |
| 3941971 | Resistance brazing of solid copper parts to stranded copper parts with phos-silver The present invention relates to a method for joining a solid copper member to a stranded copper member employing phosphorus-silver-copper alloys as the joining material and in which resistance heating is utilized in forming the joint. More specifically, ... | 03/02/1976 |
| 3932235 | Method of improving the core-loss characteristics of cube-on-edge oriented silicon-iron A process is described in which an iron-silicon alloy capable of being heat treated to produce a cube-on-edge (110) [001] grain orientation is treated to produce improved core losses when the material is under high operating inductions. The process steps ... | 01/13/1976 |
