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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7955450 | Method for heat treatment The invention relates to a method for the heat treatment of workpieces in a heat treatment furnace, wherein the treatment atmosphere in the heat treatment furnace is circulated. According to the invention, a propellant is injected into the heat treatment furnace in ... | 06/07/2011 |
| 7194819 | Opposed type fulcrum member of lever detector An opposed type fulcrum member of a lever detector is constituted by a main body part having a U-shaped section and thin-walled parts each formed in opposed positions of two sides of the main body part, and two ends of the U-shaped main body part can rock, with the ... | 03/27/2007 |
| 6910614 | Vacuum compression brazing furnace and method of using same A vacuum heat treating furnace for brazing a large metallic part is disclosed. The vacuum furnace includes a pressure vessel having a cylindrical wall and a door dimensioned and positioned for closing an end of the cylindrical wall. A workpiece handling system is mo... | 06/28/2005 |
| 6673164 | Method of minimizing environmental effect in aluminides A method of cold fabricating an intermetallic alloy composition, comprising steps of coating an article of an intermetallic alloy composition with a viscous medium which provides a moisture resistant barrier on the surface of the article, fabricating the ... | 01/06/2004 |
| 6228187 | Apparatus and methods for generating an artificial atmosphere for the heat treating of materials An apparatus and method for generating artificial atmospheres in a furnace for the heat treating of materials. The furnace includes a substantially isolated chamber having a discharge receiving orifice for accepting a bi-phasic cryogen into a hot/work zon... | 05/08/2001 |
| 6036793 | Method of heat treating oxygen-sensitive products The present invention provides a method of heat-treating an oxygen-sensitive workpiece to minimize any oxidation of the workpiece, as well as an improved door seal specially suited for use with oxygen-sensitive products. In the method, an oven has an oven... | 03/14/2000 |
| 5779826 | Method for forming heat treating atmospheres The present invention is directed to a method for forming a heat treating atmosphere in which a nitrogen rich gas containing small amounts of oxygen is preheated. An oxygen-reactive gas, such as a hydrocarbon gas, is combined with the nitrogen rich gas an... | 07/14/1998 |
| 5626689 | Method of generating heat using catalytic material This invention relates to a catalytic fuel composition capable of reducing pollutants in the combustion gasses generated upon combustion of the same. A catalytic material is combined with a liquid, petroleum-based fuel, mixed and solid particles are separ... | 05/06/1997 |
| 5613185 | Atmospheres for extending life of wire mesh belts used in sintering powder metal components The present invention discloses novel nitrogen-hydrogen based atmospheres for sintering steel components in continuous furnaces with consistent quality and properties while prolonging the life of the wire mesh belts, reducing maintenance costs, and improv... | 03/18/1997 |
| 5490886 | Methods for quenching metal A method for quenching hot metals especially iron steel or copper with a quenching fluid comprising a major proportion of an organic phosphate ester. The preferred esters are trialkyl phosphates and tri(alkyl phenyl) phosphates. The quenched article may e... | 02/13/1996 |
| 5346563 | Method for removing sulfur from superalloy articles to improve their oxidation resistance Superalloy articles are made more oxidation resistant by a process which includes heat treating the article in the presence of foreign chemical species, at a temperature at which the foreign chemical species reacts with and modifies any oxide film present... | 09/13/1994 |
| 4816089 | Process for heat treating a heat exchanger tube surrounded by a support plate A process for rapidly and uniformaly heat treating an Inconel.RTM. heat exchanger tube in the vicinity of a heat sink such as a support plate is disclosed herein. The process utilizes a radiant heater assembly capable of directing heat along a zone whose ... | 03/28/1989 |
| 4464430 | Metal diffusion Very good masking of pack diffusion aluminizing on any metal to keep portions from being diffusion coated, is effected by localized coating the lowest layer of which is depletion-reducing masking powder that can have same composition as substrates, mixed ... | 08/07/1984 |
| 4084990 | Process for fabrication of decorative panel A method for the fabrication of a decorative panel having a coarse, enlarged crystalline pattern characterized by applying a large rolling force at a draft ratio in excess of the critical draft ratio to a metal sheet; annealing the metal sheet at a temper... | 04/18/1978 |
| 3977915 | Method of heat treating metal parts Disclosed is a method for heat treating nonferrous metal parts. These parts are suspended in a settable ceramic slurry. The combination is formed into a solid mass by setting of a gelling binder contained therein. The set mass is then aged in an envelopin... | 08/31/1976 |
