Celebrity Inventors
Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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 |
| 7354489 | Lead-free copper alloy and a method of manufacture A lead-free copper alloy based on Cu—Zn—Si and a method of manufacture thereof. The copper alloy is built on the basis of copper, zinc and silicon without toxic additives and consists of: 70 to 83% Cu, 1 to 5% Si and the further matrix-active elements: 0.01 to 2... | 04/08/2008 |
| 7341093 | Copper-based alloys and their use for infiltration of powder metal parts Described are wrought forms of copper alloys for infiltrating powder metal parts, the method for preparing the copper alloys and their wrought forms, the method for their infiltration into a powder metal part, and the infiltrated metal part infiltrated with the nove... | 03/11/2008 |
| 7239747 | Method and system for locating position in printed texts and delivering multimedia information Apparatus and methods are disclosed for processing printed material to provide an index of locations within the printed material that can be associated with external actions such as displaying a graphical image, providing an audio or video output, or providing a mul... | 07/03/2007 |
| 7172662 | Copper alloy material for parts of electronic and electric machinery and tools A copper alloy material for parts of electronic and electric machinery and tools contains 1.0 to 3.0 mass % of Ni, 0.2 to 0.7 mass % of Si, 0.01 to 0.2 mass of Mg, 0.05 to 1.5 mass % of Sn, 0.2 to 1.5 mass % of Zn, and less than 0.005 mass % (including 0 mass %) of ... | 02/06/2007 |
| 7090732 | High-mechanical strength copper alloy A high-mechanical strength copper alloy, which comprises Ni 1.0 to 4.5% by mass, Si 0.2 to 1.0% by mass, Mg 0.01 to 0.20% by mass, Sn 0.05 to 1.5% by mass, Zn 0.2 to 1.5% by mass, and S less than 0.005% by mass (including 0% by mass), with the balance being made of ... | 08/15/2006 |
| 7081027 | Compression multi-tap 360 degree rotating connect/disconnect terminal A multi-tap electrical connector assembly that includes a plurality of connectors having a body with an aperture extending therethrough and either a male pin or a compression fitting and an elongated metal rod having a longitudinal axis. The metal rod is inserted th... | 07/25/2006 |
| 7056396 | Copper/zinc alloys having low levels of lead and good machinability The free-cutting copper alloy according to the present invention contains a greatly reduced amount of lead in comparison with conventional free-cutting copper alloys, but provides industrially satisfactory machinability. The free-cutting alloys comprise 69 to 79 per... | 06/06/2006 |
| 6996897 | Method of making a mount for electronic devices method for making a mount for at least two electronic devices forming a first mounting surface (210) from a material (240), and forming a second mounting surface (220) from the material (240). The first mounting surface (210) is co... | 02/14/2006 |
| 6799711 | Minute copper balls and a method for their manufacture Minute copper balls having a high sphericity which are suitable for use as the cores of copper core solder balls are manufactured by heating small pieces comprising an alloy of 0.5-40 wt % of Zn and a remainder of Cu to at least the melting point of Cu without the p... | 10/05/2004 |
| 6716541 | Material for a metal strip The material for a metal strip for manufacturing electrical contact component parts has, expressed in percent by weight, the following composition: | 04/06/2004 |
| 6632300 | Copper alloy having improved stress relaxation resistance A copper alloy having improved stress relaxation resistance is formed from a copper base alloy that consists, by weight, essentially of 1.8%-3.0% iron, 0.01%-1.0% zinc, 0.001 %-0.25% phosphorus, 0.1 %-0.35% magnesium and the balance is copper and unavoida... | 10/14/2003 |
| 6599378 | Copper-based alloy, method for production of the alloy, and products using the alloy A copper-based alloy includes one base phase selected from the group consisting of phase, +ଲ phase, and +ଲ+γ phase, a component having a lower melting point than the base phase, and a component for dispersing the base ph... | 07/29/2003 |
| 6464810 | Brass material, brass tube and their production method An object is to improve machinability and polishability of a brass material prepared through cold working, particularly in a brass pipe material. Before cold working, by having an phase making heat treatment step for increasing an area ratio of an... | 10/15/2002 |
| 6413330 | Lead-free free-cutting copper alloys A lead-free free-cutting copper alloy having 69 to 79 percent, by weight, of copper; greater than 3 percent, by weight, of silicon; and a remaining percent, by weight, of zinc. The alloy preferable has greater than 3.0 percent and less than or equal to 4.... | 07/02/2002 |
| 6413651 | Composite metal coil or plate and its manufacturing method A kind of composite metal coil/plate includes one parent metal coil/plate and at least one clad metal coil/plate as well as an interlayer composed of atoms of a brazing filler, the parent metal and the clad metal. The interlayer is about 2-10 μm in thick... | 07/02/2002 |
| 6391163 | Method of enhancing hardness of sputter deposited copper films The present invention provides a method and apparatus for forming a copper layer on a substrate, preferably using a sputtering process. The sputtering process involves bombarding a conductive member of enhanced hardness with ions to dislodge the copper fr... | 05/21/2002 |
| 6132528 | Iron modified tin brass There is provided a tin brass alloy having a grain structure that is refined by the addition of controlled amounts of both zinc and iron. Direct chill cast alloys containing from 1% to 4%, by weight of tin, from 0.8% to 4% of iron, from an amount effectiv... | 10/17/2000 |
| 6103188 | High-conductivity copper microalloys obtained by conventional continuous or semi-continuous casting We provide a new copper microalloy with high-conductivity, excellent heat resistance and high strain strength, which can be obtained by conventional continuous or semi-continuous casting, which essentially consists of at least one element selected from th... | 08/15/2000 |
| 6093499 | Copper alloy foils Copper alloy foils are provided having far greater strength and heat resistance than conventional copper foils, and having better productivity, are characterized by a composition comprising, all by weight, from 0.01 to 0.4% Cr, from 0.01 to 0.25% Zr, from... | 07/25/2000 |
| 5997663 | Nickel-free copper alloy A nickel-free white or yellowish copper alloy having excellent corrosion resistance, with high degree of whiteness or yellowness, which is non-allergenic and therefore is suitable for use, for example, in elements, sliders, stoppers and the like for a sli... | 12/07/1999 |
| 5961749 | Use of a brass alloy for sanitary pipes The invention relates to the use of a brass alloy with a high degree of cold workability for sanitary pipes, comprising 60.5-63.2% Cu, 2%-3.7% Pb, the balance Zn, plus normal impurities, wherein the effective copper equivalent is 63%-64.5% Cu. The use of ... | 10/05/1999 |
| 5908517 | Alloy, in particular for use in the manufacture of frames for glass, jewelry, and the like A high-temperature, nickel-free alloy, in particular for spectacle frames, jewelry, etc. with the following composition in percentages by weight: ______________________________________ Zn 13.0-16.0% Mn 9.0-11.0% Fe 1.0... | 06/01/1999 |
| 5885324 | Method for the production of synthetic rutile Synthetic Rutile is prepared from raw ilmenite ore by a method comprising activating ilmenite and subjecting it to a multi-stage countercurrent leaching process in hot hydrochloric acid.... | 03/23/1999 |
| 5839496 | Composite material having anti-wear property and process for producing the same Disclosed are a composite material having an anti-wear property and a process for producing the same. The composite material includes a matrix of a low melting point Sn alloy having a melting point of from 80° to 280° C., and metallic dispersing particl... | 11/24/1998 |
| 5833920 | Copper alloy for electronic parts, lead-frame, semiconductor device and connector The present invention provides a copper alloy for electronic part which is excellent in adhesion of silver(Ag) and reliability of solderability and adhesion of plating without impairing excellent strength and electrical conductivity of a copper-nickel-sil... | 11/10/1998 |
| 5766377 | Copper-zinc-alloy for use in drinking-water installations A drinking water installation is made up of a source of drinking water and equipment for delivering the drinking water. In the equipment for delivering drinking water, a copper-zinc alloy which does not contain lead or bismuth is used. This alloy has a co... | 06/16/1998 |
| 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 |
| 5637132 | Powder metallurgy compositions Lead-free metallurgy powder for use in manufacturing a shaped bronze part by powder metallurgy techniques which consists essentially of a substantially homogeneous blend of metal powders having about 90 parts copper, about 10 parts tin and an amount of bi... | 06/10/1997 |
| 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 |
| 5556446 | Machinable brass compositions Brass powder metallurgy compositions for use in manufacturing a brass part by powder metallurgy techniques. The compositions comprise from about 70-90% wt. copper, 10-30% wt. zinc, and from about 0.1-1.5% wt. graphite as an addition to improve the machina... | 09/17/1996 |
| 5536293 | Base metal composition for external electrode of multilayer electronic component A base metal composition for forming an external electrode of a multilayer electronic component contains 70 to 85 percent by weight of Cu, 2 to 10 percent by weight of glass frit and 10 to 28 percent by weight of an organic vehicle. The glass frit contain... | 07/16/1996 |
| 5445665 | Machinable brass compositions A powdered metallurgical composition comprising copper and zinc, which composition also includes a proportion of 0.1 to 1.5% by weight of graphite to improve the machinability of an article made from the composition.... | 08/29/1995 |
| 5441555 | Powder metallurgy compositions Lead-free metallurgy powder for use in manufacturing a shaped bronze part by powder metallurgy techniques which consists essentially of a substantially homogeneous blend of about 90 parts copper, about 10 parts tin and an amount of bismuth in the range fr... | 08/15/1995 |
| 5429794 | Alloys for brazing Alloys for brazing used in heat exchangers, particularly in radiators. The alloys contain 14-31% by weight zinc, 0.1-15% by weight iron, 0.001-0.05% by weight phosphorus and 0-0.09% by weight arsenic, the balance being copper and incidental impurities.... | 07/04/1995 |
| 5409552 | Machinable copper alloys having reduced lead content Machinable alpha beta brass having a reduced lead concentration is claimed. The alloy contains bismuth to improve machinability. Either a portion of the zinc is replaced with aluminum, silicon or tin, or a portion of the copper is replaced with iron, nick... | 04/25/1995 |
| 5344606 | Fluid treatment alloy casting of Cu-Sn-Ni-Zn A suitable casting alloy for use in a fluid treatment device may be made as a copper-nickel-zinc-tin (CU--NI--ZN--SN) alloy without the addition of silver, silicon or magnesium, if certain identified trace metals are kept below certain levels. It appears ... | 09/06/1994 |
| 5288458 | Machinable copper alloys having reduced lead content Machinable alpha beta brass having a reduced lead concentration is claimed. The alloy contains bismuth to improve machinability. Either a portion of the zinc is replaced with aluminum, silicon or tin, or a portion of the copper is replaced with iron, nick... | 02/22/1994 |
| 5286444 | Copper bearing alloy Copper bearing alloy comprises more than 4% by weight and up to 35% by weight of Bi, 0.2 to less than 1.5% by weight of Pb and the rest of Cu. This considerably improves the erosion resistance while maintaining the excellent seizure resistance and fatigue... | 02/15/1994 |
| 5282908 | High strength brass containing Mn, Si, Co, Fe, Sn and Pb A Mn-Si-Co-Fe-based high-strength brass alloy comprises, on the weight basis, 15 to 25% of Zn, 1.0 to 5.0% of Mn, 0.3 to 2.0% of Si, 0.01 to 0.5% of Fe, 0.01 to 2.0% of Co, 0.2 to 1.0% of Sn, 5 to 10% of Pb and the balance being Cu and inevitable impuriti... | 02/01/1994 |
| 5262124 | Alloy suited for use in water service and having improved machinability and forming properties An alloy suited for use in water service, having less tendency for lead to dissolve in water, free cutting property and freedom from gravity segregation in casting and cracks caused by forming is provided. The alloy according to the invention comprises ab... | 11/16/1993 |
