Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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 |
| 8147751 | Silver-white copper alloy and process for producing the same To provide a silver-white copper alloy which represents a silver-white color equivalent to that of nickel silver and is excellent in hot workability and the like. The silver-white copper alloy includes 47.5 to 50.5 mass % of Cu, 7.8 to 9.8 mass % of Ni, 4.7 to 6.3 m... | 04/03/2012 |
| 7988908 | Filler metal alloy compositions Provided is a filler metal alloy composition capable of improving appearance of a welded zone and fluidity, penetration, etc., of an inexpensive filler metal by minimizing a content of silver (Ag) and adding tin (Sn) and silicon (Si) components. The filler metal all... | 08/02/2011 |
| 7985374 | Cadmium-free silver brazing filler metal A cadmium-free silver brazing filler metal containing gallium, indium, nickel and cerium falls into the field of metal material and metallurgy. Its chemical composition includes (by mass percentage) Cu 28.0%-35.0%, Zn 28.0%-38.0%, Ga 0.1%-2.5%, In 0.1%-2.5%, Ni 0.1%... | 07/26/2011 |
| 7976776 | Mercury dispensing compositions and manufacturing process thereof Compositions are disclosed comprising mercury, titanium, copper and one or more of tin, chromium and silicon, useful for the release of mercury in applications requiring the same, in particular in fluorescent lamps. A process for the preparation of these composition... | 07/12/2011 |
| 7674428 | Mercury dispensing compositions and manufacturing process thereof Compositions are disclosed comprising mercury, titanium, copper and one or more of tin, chromium and silicon, useful for the release of mercury in applications requiring the same, in particular in fluorescent lamps. A process for the preparation of these composition... | 03/09/2010 |
| 7422994 | Platinum-copper-tungsten fuel cell catalyst A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper and tungsten, or an oxide, carbide and/or salt of one or more of platinum, copper and tungsten, wherein the sum of the concentrations of platinum, copper an... | 09/09/2008 |
| 6929726 | Sputtering target, Al interconnection film, and electronic component A sputtering target consists essentially of 0.1 to 50% by weight of at least one kind of element that forms an intermetallic compound with Al, and the balance of Al. The element that forms an intermetallic compound with Al is uniformly dispersed in the target textur... | 08/16/2005 |
| 6914032 | Method of producing tungsten-copper based composite powder and sintered alloys for heat-sink using said composite powder The present invention relates to a method of producing W—Cu based composite powder, which is used in heat-sink materials for high-power integrated circuits, electric contact materials, etc, and to a method of producing a W—Cu based sintered alloy by using the co... | 07/05/2005 |
| 6863746 | White gold compositions without nickel and palladium The present invention discloses a white gold composition consisting essentially of copper, silver, zinc, and manganese, and further consisting of small amounts of tin, cobalt, silicon/copper and boron/copper. More particularly, the white gold composition of the pres... | 03/08/2005 |
| 6835252 | Gold colored alloy used for dentistry and jewelry A corrosive and tarnish resistant alloy comprising 13 to 25 percent by weight of gold, 20 to 36 percent by weight of silver, 23 to 32 percent by weight of copper, 16 to 25 percent by weight of zinc, and 1 to 4 percent by weight of silicate. ... | 12/28/2004 |
| 6736947 | Sputtering target, A1 interconnection film, and electronic component A sputtering target consists essentially of 0.1 to 50% by weight of at least one kind of element that forms an intermetallic compound with Al, and the balance of Al. The element that forms an intermetallic compound with Al is uniformly dispersed in the target textur... | 05/18/2004 |
| 6613275 | Non-precious dental alloy The present invention concerns a non-precious dental alloy, including the following components, with the approximate proportions, in weight, given in %: gold, between 0.5 and 4, molybdenum, between 4 and 6, tungsten, between 2 and 7, indium, be... | 09/02/2003 |
| 6605371 | Brazing alloy for stainless steel, structure braze-assembled with the brazing alloy, and brazing material for stainless steel A brazing alloy according to the present invention has a melting point equivalent to that of a copper brazing filler and is excellent in corrosion- and oxidation-resistance. The brazing alloy consists essentially of Mn, Ni and Cu, and has a composition in... | 08/12/2003 |
| 6350408 | Alloy of AuZn AuCu or ZnCu A process for producing finely divided 20 to 500 angstrom metal particles, metals with oxide coatings or metal oxides using an alkalide or electride in a non-reactive solvent is described. The process produces various forms of the metal depending upon the... | 02/26/2002 |
| 6329074 | Copper foil for printed wiring board having excellent chemical resistance and heat resistance This invention provides a copper foil for a printed wiring board, which comprises a copper foil, an alloy layer (A) comprising copper, zinc, tin and nickel which is formed on a surface of the copper foil, said surface to be brought into contact with a sub... | 12/11/2001 |
| 6299835 | Cadmium-free silver alloy as low-melting brazing filler material Cadmium-free hard solders having working temperatures of less than 630° C., which are easily workable and yield ductile soldered joints, are composed of 30 to 60% by weight of silver, 10 to 36% by weight of copper, 15 to 32% by weight of zinc, 0.5 to 7% ... | 10/09/2001 |
| 6210636 | Cu-Ni-Zn-Pd alloys A family of copper-nickel-zinc-palladium alloys for sliding and static electrical contact applications comprises, on a weight percent basis, about 15-65 percent copper, up to about 30 percent nickel, about 5-30 percent zinc, about 5-45 percent palladium, ... | 04/03/2001 |
| 6086683 | Low-melting alloy and cream solder using a powder of the alloy Ag and Cu are added to a base material of a Sn/Pb/Bi composition. Since Bi is contained in greater quantities in Sn/Pb, the alloy has a low melting point (120 to 150° C.) and is surely melted at reflow temperatures from 170 to 200° C. Preferably, the ad... | 07/11/2000 |
| 6074604 | Brazing material for stainless steel Provided is a brazing filler metal for brazing stainless steel at low temperatures so as not to adversely affect the properties of the stainless steel, and without producing any brittleness in the brazed joint. The brazing filler metal essentially consist... | 06/13/2000 |
| 6059901 | Bismuthized Cu-Ni-Mn-Zn alloy Bismuth bearing copper-nickel-manganese-zinc corrosion and gall resistant castable alloy, particularly for use in food processing machinery, with the following weight percentage range: Nickel=12-28 Manganese=12-28 Zinc=12-28 Aluminum=0.5-2.00 Bismuth=2-6 Phosp... | 05/09/2000 |
| 5962156 | Nickel-metal hydride storage battery and alloy for configuring negative electrode of the same A nickel-metal hydride storage battery having a high capacity and excellent cycle life is disclosed. The battery employs, as its material for the negative electrode, a hydrogen storage alloy powder having a composition represented by the general formula Z... | 10/05/1999 |
| 5945066 | Zinc-copper based alloy and castings made therefrom A Zn--Cu based alloy is disclosed including from about 11 to about 50 wt. % of Cu, from about 0.1 to about 10 wt. % of Al, from about 0.01 to about 1.0 wt. % of Mg, and from about 0.001 to about 0.1 wt. % of at least one member of the group consisting of ... | 08/31/1999 |
| 5851690 | Hydrogen absorbing alloys A hydrogen absorbing alloy for use in an environment where the alloy has the possibility of contacting oxygen is capable of inhibiting impairment of the hydrogen absorbing ability thereof when coming into contact with oxygen. The alloy has a composition r... | 12/22/1998 |
| 5843243 | Wear-resistant copper-based alloy A wear-resistant copper-based alloy includes 10.0 to 30.0% by weight Ni, 2.0 to 15.0% by weight Fe, 2.0 to 15.0% by weight Co, 0.5 to 5.0% by weight Si, 1.0 to 10.0% by weight Cr, 2.0 to 15.0% by weight at least one first optional element selected from th... | 12/01/1998 |
| 5833774 | High strength silver palladium alloy A silver/palladium alloy for electrical contact applications comprises, on a weight percent basis, 20-50 silver, 20-50 palladium, 20-40 copper, less than 1.0 nickel, 0.1-5 zinc, 0.01-0.3 boron, and up to 1 percent by weight of modifying elements selected ... | 11/10/1998 |
| 5807468 | Anode electrolysis electrode material using precious metal-based amorphous alloy suitable for plastic processing and applicable to a bulk member An electrode having an excellent corrosion resistance and long service life even in a severe corrosive environment such as in NaCl solutions for anode electrolysis in which chlorine gas or the like is produced at a high potential from the alloy surface. T... | 09/15/1998 |
| 5738953 | Alkaline metal oxide/metal hydride battery As an active material for its negative electrode, a hydrogen storage alloy for a Ni/H battery has the composition MmNiv Alw Mnx Coy Mz, where Mm is a misch metal, M is Fe, Cu, or a mixture of Fe and Cu, and ... | 04/14/1998 |
| 5714117 | Air melting of Cu-Cr alloys Method and apparatus for making a Cu-Cr melt involves melting Cu-bearing alloy component in a melting vessel disposed in ambient air atmosphere, retaining Cr-bearing alloy component in an inverted ceramic crucible held submerged in the melted Cu-bearing a... | 02/03/1998 |
| 5658401 | Copper-zinc alloy A copper-zinc alloy for semi-finished products and articles which are highly loaded and subjected to extreme wear especially synchronizing rings. The alloy possesses a composition of 40 to 65% Cu, 8 to 25% Ni, 2.5 to 5% Si, 0 to 3% Al, 0 to 3% Fe, 0 to 2%... | 08/19/1997 |
| 5637160 | Corrosion-resistant bismuth brass There is provided a machinable +ଲ brass containing bismuth and phosphorous. By maintaining the phosphorous content within a critical range, the alloy exhibits good elevated temperature tensile elongation in the temperature range of 100° C.-3... | 06/10/1997 |
| 5618359 | Metallic glass alloys of Zr, Ti, Cu and Ni At least quaternary alloys form metallic glass upon cooling below the glass transition temperature at a rate less than 103 K/s. Such alloys comprise titanium from 19 to 41 atomic percent, an early transition metal (ETM) from 4 to 21 atomic perc... | 04/08/1997 |
| 5532076 | Hydrogen storage alloy and electrode therefrom A hydrogen storage alloy preferably used for electrodes in alkaline rechargeable battery is of the general formula: Zr1.2-a Tia Mnv Alw Nix My Crz wherein M represents at least o... | 07/02/1996 |
| 5531962 | Cadmium-free silver alloy brazing solder, method of using said solder, and metal articles brazed with said solder Cadmium-free brazing solders with working temperatures under 630° C. containing 45 to 80 wt. % silver, 14 to 25 wt. % copper 10 to 25 wt. % gallium, 1 to 7 wt. % zinc and 0 to 5 wt. % indium and/or tin. The alloys have good cold workability and ductility... | 07/02/1996 |
| 5514334 | Fine lead alloy wire for forming bump electrodes This invention relates to a connection method for a semiconductor material enabling a formation of a bump electrode with a wire bonder, keeping always a cutting position of the wire at a specified position and improving a continuous workability and stabil... | 05/07/1996 |
| 5489417 | Spray cast copper-manganese-zirconium alloys having reduced porosity Spray cast copper-manganese-zirconium alloys are disclosed. In one embodiment, the alloy is spray cast in nitrogen and contains from about 1 ppm to about 20 ppm of dissolved nitrogen. In a second embodiment, the alloy contains an addition selected from th... | 02/06/1996 |
| 5486225 | Process for producing an alloy A process for producing finely divided 20 to 500 angstrom metal particles, metals with oxide coatings or metal oxides using an alkalide or electride in a non-reactive solvent is described. The process produces various forms of the metal depending upon the... | 01/23/1996 |
| 5484569 | Silver palladium alloy A silver/palladium alloy for electronic applications comprises, on a percent by weight basis, 35-60 silver, 20-44 palladium, 5-20 copper, 1-7 nickel, 0.1-5 zinc, to 0.18 boron, up to 0.05 rhenium and up to 1 percent by weight of modifying elements selecte... | 01/16/1996 |
| 5441696 | Copper-nickel based alloy A copper-nickel based alloy, which comprises 3 to 25 wt % of Ni, 0.1 to 1.5 t % of Mn, 0.0001 to 0.01 wt % of B and the rest being Cu and an unavoidable element.... | 08/15/1995 |
| 5409663 | Tarnish resistant gold colored alloy An indium-free, gold-colored, tarnish and corrosion-resistant alloy having no greater than 10% by weight gold and a color value, as measured according to the Cielab Color Measurement System, of approximately L=87.4, a=1.1, b=15.3. The alloy comprises 28-3... | 04/25/1995 |
| 5393723 | Catalyst for improving the combustion and operational qualities of hydrocarbon fuels The catalyst is provided for improving the performance of hydrocarbon fuels used in internal combustion engines. The catalyst is a based metal alloy catalyst including tin, antimony, lead, mercury and thallium in the following proportions by weight percen... | 02/28/1995 |
