Quotables
"This is the patent age of new inventions for killing bodies, and for saving souls. All propagated with the best intentions."
Lord Byron ;
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5348593 | Method of heat treating gold or gold alloy parts A process for generating in-situ low cost atmospheres suitable for annealing and heat treating ferrous and non-ferrous metals and alloys, brazing metals and ceramics, sealing glass to metals, and sintering metal and ceramic powders in a continuous furnace... | 09/20/1994 |
| 5338509 | Method of using Pd-alloy pinning wires in turbine blade casting Pinning wires suitable for use in turbine blade manufacture comprise palladium alloyed with one or more noble and/or refractory metals, and are substantially more cost effective than conventional pinning wires.... | 08/16/1994 |
| 5330098 | Silver-copper-aluminum-titanium brazing alloy An alloy for brazing ceramics has the following composition, in weight percent: 0.5 to 3% titanium; 0.25 to 2% aluminum, silicon or tin; 2 to 6% copper; balance silver.... | 07/19/1994 |
| 5292359 | Process for preparing silver-palladium powders The present invention relates to a process for preparing silver-palladium powders that may be used for the production of electrode materials, contacts or the like used in the electronic industries. The process comprises the steps of forming an acid soluti... | 03/08/1994 |
| 5242511 | Copper alloy compositions A copper alloy composition comprising 100 parts by weight of powder of copper alloy represented by the general formula Agx Cuy (wherein x and y are atomic ratio values; 0.001ࣘ×ࣘ0.999, 0.001ࣘyࣘ0.999, x+y=1), 5 to 200 parts by... | 09/07/1993 |
| 5164026 | Coloring a gold alloy A gold alloy comprises at least gold, iron and nickel, the gold being present in an amount between about 74.4 and 94.5 percent by weight of the alloy, the iron being present in an amount between about 5.0 and 25.0 percent by weight of the alloy, and the n... | 11/17/1992 |
| 5152853 | Ruthenium aluminum intermetallic compounds with scandium and boron Intermetallic compounds of ruthenium and aluminum are disclosed comprising about 40 to 51 atomic percent aluminum, about 0.8 to 9 atomic percent scandium and boron, and the balance substantially ruthenium. The intermetallic compounds have a high hardness ... | 10/06/1992 |
| 5073210 | Method of making electrical conductors A method of making material in the form of a fine wire or thin strip or sheet suitable for use as electrical conductors comprises: forming an ingot substantially consisting of an alloy of gold and one or more of the metals titanium, lutetium, zirconium, s... | 12/17/1991 |
| 5067987 | Method of manufacturing a silver alloy which is blackened throughout its bulk The present invention relates to manufacturing a silver alloy which is blackened throughout its bulk and used, for example, in jewelry. The method of manufacturing this material comprises putting the silver alloy into contact with sulfur in the form of su... | 11/26/1991 |
| 5059255 | Coloring a gold alloy A gold alloy comprises at least gold, iron and nickel, the gold being present in an amount between about 74.4 and 94.5 percent by weight of the alloy, the iron being present in an amount between about 5.0 and 25.0 percent by weight of the alloy, and the n... | 10/22/1991 |
| 5037496 | Cobalt-containing precious metal material for decoration Disclosed herein is cobalt-containing precious metal material for decoration which comprises cobalt and one or more precious metals selected form the group consisting of Au, Ag, Pt and Pd, at least the cobalt on the surface being oxidized. Also disclosed ... | 08/06/1991 |
| 5022932 | Rapid solidification of metal-metal composites having Ag, Au or Cu atrix An electrically conductive composite material is formed by dispersing in a matrix metal the other metal which is not solid soluble with the matrix metal. The other metal is finely divided to an extent of not excessively lowering the conductivity and is mi... | 06/11/1991 |
| 5019337 | Ductile intermetallic compounds for dental applications Alloys suitable for dental or medical devices are disclosed. A typical alloy comprises about 35 to about 60% by weight of zirconium, about 1 to about 60% by weight of palladium and about 1 to about 60% by weight of ruthenium.... | 05/28/1991 |
| 5011554 | Ruthenium aluminum intermetallic compounds Intermetallic compounds of ruthenium and aluminum are disclosed comprising about 40 to 51 atomic percent aluminum and the balance substantially ruthenium. The intermetallic compounds have a high hardness up to about 1150° C. and have good room temperatur... | 04/30/1991 |
| 4983230 | Platinum-cobalt alloy permanent magnets of enhanced coercivity The coercivity of magnetic alloys formed from platinum, cobalt, and boron is enhanced by incorporating from 12 to 14 percent of boron together with amounts of platinum and cobalt such that the ratio of platinum to cobalt is from 0.90 to 1.2. The magnetic ... | 01/08/1991 |
| 4911769 | Composite conductive material An electrically conductive composite material is formed by dispersing in a matrix metal another metal which is insoluble or slightly soluble with the matrix metal. The other metal is finely divided to an extent of not excessively lowering the conductivity... | 03/27/1990 |
| 4865663 | High temperature shape memory alloys A nickel-titanium-palladium based alloy for converting heat energy into mechanical energy. The alloy exhibits shape memory. The alloy contains palladium to raise the temperature at which the alloy flexes between a deformed condition at a relatively colder... | 09/12/1989 |
| 4828933 | Scratch resistant platinum article A platinum article, especially an article of jewellery, has its surface region modified to improve its scratch resistance by the addition of at least one element which forms an intermetallic compound with platinum, especially aluminum and chromium. The su... | 05/09/1989 |
| 4826808 | Preparation of superconducting oxides and oxide-metal composites A method of preparing a superconducting oxide by combining the metallic elements of the oxide to form an alloy, followed by oxidation of the alloy to form the oxide. Superconducting oxide-metal composites are prepared in which a noble metal phase intimate... | 05/02/1989 |
| 4814027 | Fe-Pt-Nb permanent magnet with an ultra-high coercive force and a large maximum energy product The disclosed permanent magnet has a coercive force of larger than 500 Oe, a residual magnetic flux density of larger than 5 kG, and a maximum energy product of larger than 2 MGOe, and it consisting essentially of 48~66.9 Atm % of iron, 33~47 Atm % of pla... | 03/21/1989 |
| 4766041 | Ductile low temperature brazing alloy Reactive metal silver alloys containing controlled levels of copper, aluminum or mixtures thereof liquidus temperatures in the range of from about 750° C. to about 950° C., are ductile and after brazing are relatively free of hard dispersed phases. The ... | 08/23/1988 |
| 4744947 | Method of dispersion-hardening of copper, silver or gold and of their alloys According to a method of dispersion hardening copper, silver or gold, melts on the basis of the matrix metals with stoichiometric additions of boron and boride-forming metals are superheated by 300° to 750° C. and subsequently subjected to extremely rap... | 05/17/1988 |
| 4690876 | Article comprising a ductile brazing alloy foil containing reactive metals and precious metals Reactive metal-precious metal ductile alloys containing controlled amounts of Cu and Ni and mixtures thereof are suitable for brazing ceramics, other non-metallic and metallic materials.... | 09/01/1987 |
| 4684579 | Ductile low temperature brazing alloy foil Reactive metal silver alloys containing controlled levels of copper, aluminum or mixtures thereof liquidus temperatures in the range of from about 750° C. to about 950° C., are ductile and after brazing are relatively free of hard dispersed phases. The ... | 08/04/1987 |
| 4684416 | Alloy with small change of electric resistance over wide temperature range and method of producing the same The disclosed alloy has a temperature coefficient of electric resistance h an absolute value smaller than 100 ppm/°C. in a temperature range between the order-disorder transformation point and melting point thereof, which alloy is made by molding an all... | 08/04/1987 |
| 4606981 | Ductile brazing alloys containing reactive metals Brazing alloys containing up to a specified amount of a reactive metal selected from the group consisting of titanium, zirconium, vanadium and mixtures thereof and only one metal selected from the group consisting of silver, gold, palladium, iron, nickel,... | 08/19/1986 |
| 4518439 | Alloy with small change of electric resistance over wide temperature range and method of producing the same The disclosed alloy has a temperature coefficient of electric resistance with an absolute value smaller than 100 ppm/°C. in a temperature range between the order-disorder transformation point and melting point thereof, which alloy is made by molding an a... | 05/21/1985 |
| 4507156 | Creep resistant dispersion strengthened metals A method of enhancing the creep properties of thermal mechanical processed creep resistant platinum-based alloys by heating the alloy, which is dispersion-strengthened with yttria, to a temperature not less than about 2800° F. for a period of not less th... | 03/26/1985 |
| 4480014 | Electrical contact means with gold-nickel alloy overlay Electrical contact tape having a base portion of nickel, copper or nickel-copper alloy and an overlay of metallic material on said base portion is improved by utilizing for such overlay a gold-nickel alloy of which the precentage by weight of nickel is in... | 10/30/1984 |
| 4341556 | Material for electrical contacts There is described a material for electrical contacts based on silver having 5 to 20 weight % tin oxide and 0.5 to 5 weight % tungsten oxide which has the welding strength reduced further without producing an increased switching temperature. The material ... | 07/27/1982 |
| 4330330 | Work material of silver with tin and tungsten oxides for electrical contact There are needed materials based on Ag/SnO2 to replace the known Ag/CdO materials for electrical contact on switches, which replacement materials contain an additional metal oxide component, without having to take into account an undesired temp... | 05/18/1982 |
| 4274852 | Manufacturing glass with a bushing having a directionally aligned dispersion strengthened tip plate An improvement in the manufacture of fibrous glass products is provided by employing a bushing in which the bottom wall, or tip plate, is fabricated of a properly aligned dispersion strengthened precious metal, or alloy thereof.... | 06/23/1981 |
| 4252558 | Method for producing a platinoid comprising a dispersed phase of a refractory oxide The present invention concerns a method for producing a metal from crude platinum or one of its alloys, comprising very fine particles, in dispersed phase form, of at least one refractory oxide, in the proportion of 0.1 to 0.5% by weight with respect to t... | 02/24/1981 |
| 4098724 | Electrically conductive composite materials An electrically conductive composite material which consists of a mixture of silver, not more than 50 weight percent of cadmium oxide and not greater than 2,000 parts per million of compounds of potassium.... | 07/04/1978 |
| 4081644 | Electrical contact material An electrical contact material which consists of at least one material selected from a first group which comprises any one of the precious metals, gold, palladium, ruthenium, rhodium and rhenium or their alloys and the silver/palladium series of contact a... | 03/28/1978 |
| 4028061 | Silver-cadmium oxide alloys This application describes the addition of an alkali metal, generally in the form of a salt thereof, to a mixture of silver and cadmium oxide, prior to the sintering step, to improve the as-sintered densities of the resultant alloy material.... | 06/07/1977 |
| 4018630 | Method of preparation of dispersion strengthened silver electrical contacts Preparation of compositions of silver and CeO2 by powder metallurgy techniques overcomes problems inherent in melting silver and pure cerium and subsequently internally oxidizing the cerium in the mixture. Small concentrations of CeO2 | 04/19/1977 |
| 3974001 | Paramagnetic alloy A vibratory or spring element. The element is formed from a paramagnetic alloy having a temperature coefficient of the moduli of elasticity between -10.sup.-4 per centigrade and +10.sup.-4 per centigrade and having the following furt... | 08/10/1976 |
