In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8021497 | Method for producing a hardened steel part The invention relates to a method for producing a hardened steel part having a cathodic corrosion protection, whereby a) a coating is applied to a sheet made of a hardenable steel alloy in a continuous coating process; b) the coating is essentially comprised of zinc... | 09/20/2011 |
| 7850791 | Protective layer for an aluminum-containing alloy for high-temperature use Alloys containing aluminium are characterised by an outstanding oxidation resistance at high temperatures, that is based on, inter alia, the formation of a thick and slow-growing aluminium oxide layer on material surfaces. If the formation of the aluminium oxide lay... | 12/14/2010 |
| 7422793 | Non-toxic corrosion-protection rinses and seals based on rare earth elements Rinsing or sealing solutions comprising a rare earth element and a valence stabilizer for barrier films. The treated films contain a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, praseodymium, terbium, or combinations thereof... | 09/09/2008 |
| 7407711 | Non-toxic corrosion-protection conversion coats based on rare earth elements Conversion coatings comprising a rare earth element and a valence stabilizer combined to form a rare earth/valence stabilizer complex are described for substrate metals. The rare earth element is selected from cerium, praseodymium, terbium, or combinations thereof, ... | 08/05/2008 |
| 7338719 | MCrAl layer MCrAl layers according to prior art often display chipping of the thermally grown aluminum oxide layer (TGO) as a result of thermally induced stresses, which significantly reduces the oxidation behavior or the bonding behavior of ceramic heat insulating layers. An i... | 03/04/2008 |
| 7270718 | Method for manufacturing a soft magnetic powder material The invention provides a method for manufacturing a soft magnetic powder material covered by oxide layers at surfaces of the powder, by using a soft magnetic alloy powder containing a soft magnetic powder material and a second element such as Si having an oxidizing ... | 09/18/2007 |
| 7072450 | 3D view of incoming communications A communications system comprising includes a network and a plurality of applications connected to the network. Each of the applications handles a different type of communication and stores information concerning incoming communications directed to users of the comm... | 07/04/2006 |
| 6933053 | Alpha Al2O3 and Ti2O3 protective coatings on aluminide substrates In accordance with one aspect of the present invention, a process for forming a specific reactive element barrier on a titanium and aluminum containing substrate is provided. The process includes creating a dry air atmosphere with a concentration of water vapor belo... | 08/23/2005 |
| 6881452 | Method for improving the TBC life of a single phase platinum aluminide bond coat by preoxidation heat treatment A thermal barrier coating system having an improved life as a result of a preoxidation treatment applied to a single phase platinum aluminide bond coat. After coating the substrate to form a diffusion platinum aluminum bond coat, the surface finish of the bond coat ... | 04/19/2005 |
| 6881491 | Protective fluoride coatings for aluminum alloy articles An aluminum alloy article is cleaned to remove oxides and organic matter from a coatable surface, coated with a composition comprising an organic resin and a fluorine compound, and then heated to an elevated temperature to decompose the organic resin and at least a ... | 04/19/2005 |
| 6849138 | Method for surface treatment of aluminum alloy high-temperature processed articles The surface of an aluminum alloy high-temperature processed article containing Mg is heated at a high temperature of 200° C. or above, thereafter the surface is etched with an aqueous solution containing a chelating agent, and then at least one surface treatment se... | 02/01/2005 |
| 6664019 | Aluminum printing plates and method of making A method of making improved aluminum printing plates comprising graining the aluminum plates, de-smutting them by treating them with nitric acid solution, then rinsing with hot water, acetating the aluminum plates, and silicating the aluminum plates. The ... | 12/16/2003 |
| 6652669 | Method for producing an ultraphobic surface on an aluminum base The invention relates to a method for producing an ultraphobic surface on aluminium as the supporting material and to the resulting surface and its use. According to said method, the surface of an aluminium support is anodized, especially by anodic oxidat... | 11/25/2003 |
| 6652982 | Fabrication of an article having a protective coating with a flat protective-coating surface and a low sulfur content An article having a protective coating is fabricated by providing an article substrate having a substrate surface; and thereafter producing a flattened protective coating on the substrate surface. The step of producing the flattened protective coating inc... | 11/25/2003 |
| 6627007 | Surface modified stainless steel A method has been developed for surface modifications of high temperature resistant alloys, such as FeCrAl alloys, in order to increase their resistance to corrosion at high temperatures. Coating it with a Ca-containing compound before heat-treating build... | 09/30/2003 |
| 6612898 | Method for forming oxidation-passive layer, fluid-contacting part, and fluid feed/discharge system A method for forming an oxidation-passive layer having high corrosion resistance to highly oxidizing materials such as ozone; a stainless steel and a titanium base alloy having corrosion resistance to an ozone containing fluid; and a fluid containing part... | 09/02/2003 |
| 6607611 | Post-deposition oxidation of a nickel-base superalloy protected by a thermal barrier coating A nickel-base superalloy protected by a thermal barrier-coating is prepared by depositing a bond coat layer overlying and contacting the substrate, depositing a ceramic layer overlying and contacting the bond coat layer, thereby forming a coated substrate... | 08/19/2003 |
| 6599636 | -Al2O3 and Ti2O3 protective coatings on aluminide substrates A titanium aluminide substrate (4) is vulnerable to air oxidation, limiting the use of this substrate in a variety of industrial applications, including the aircraft and aerospace industries. A bilayer reactive barrier (2) is formed on a titanium aluminid... | 07/29/2003 |
| 6589608 | Process for the vacuum coating of metal components A process for producing a homogeneous oxide layer on metal components includes uniformly heating the components, in all their regions, in a vacuum chamber and, after a predetermined temperature has been reached, exposing the components to an oxygen-contai... | 07/08/2003 |
| 6576067 | Fabrication of an article having a protective coating with a polished, pre-oxidized protective-coating surface An article protected by a thermal barrier coating system is fabricated by providing an article substrate having a substrate surface, and thereafter producing on the substrate surface a protective coating having a polished, pre-oxidized protective coating ... | 06/10/2003 |
| 6565672 | Fabrication of an article having a protective coating with a flattened, pre-oxidized protective-coating surface An article protected by a protective coating system is fabricated by providing an article substrate having a substrate surface; and thereafter producing a protective coating having a flattened, pre-oxidized protective-coating surface on the substrate surf... | 05/20/2003 |
| 6508890 | Method of enhancing the conductivity of a conductive surface The present invention is drawn to a method of lowering the net resistivity of an interconnect by depositing a monomer layer upon an aluminum bonding pad, the treatment thereof to cross link the monomer to form an electrically conductive polymer, and simul... | 01/21/2003 |
| 6489043 | Iron aluminide fuel injector component An iron aluminide fuel injector component such as a nozzle, plunger or other part is manufactured from iron aluminide or includes an iron aluminide coating on at least a portion of a surface in contact with the fuel which passes through the fuel injector.... | 12/03/2002 |
| 6478888 | Preheat method for EBPVD coating A method is described for reducing surface oxide growth which heating aluminum containing surfaces in a vacuum environment prior to the deposition of a ceramic coating. The method comprises flowing an inert or non reactive gas into the coating apparatus a... | 11/12/2002 |
| 6451443 | Chromium-free conversion coating A corrosion-resistant coating for aluminum alloys preferably includes lithium molybdate and cerium. A conversion coating has been developed for aluminum surfaces that can substitute for the conventional chromate containing conversion coating. This new coa... | 09/17/2002 |
| 6432224 | Isomolybdate conversion coatings A conversion coating solution and process forms a stable and corrosion-resistant layer on metal substrates or layers or, more preferably, on a boehmite layer or other base conversion coating. The conversion coating process involves contacting the substrat... | 08/13/2002 |
| 6375767 | Aluminium alloy and extrusion A population of extrusion billets has a specification such that every billet is of an alloy of composition (in wt. %) : Fe | 04/23/2002 |
| 6346185 | Method and electrolyte for anodizing valve metals to high voltage A method of anodizing valve metals with a borate polyester solution formed by the combining 2-methyl-1,3-propane diol and boric acid and heating to about 130 to about 160° C. The heating drives off water produced by esterification. A substrate is immerse... | 02/12/2002 |
| 6316115 | Non-chromate chemical treatments used on magnesium alloys Formulations and a process are disclosed for chemically treating a surface of a product made from magnesium alloys. One formulation comprises an acid pickle comprising hydrofluoric acid and a binary alcohol and a second formulation comprises a conversion ... | 11/13/2001 |
| 6312821 | Coating structure having corrosion resistance The coating structure having a corrosion resistance of the invention contains a formation film formed on the surface of an aluminum alloy material. The formation film is subjected to a zirconium phosphate treatment. Because the zirconium phosphate reacts ... | 11/06/2001 |
| 6258463 | Anodized cryogenically treated aluminum The invention relates to a process for producing anodic coatings with superior corrosion resistance and other properties on aluminum and aluminum alloy surfaces by cryogenically treating the aluminum prior to anodizing. The invention also relates to the a... | 07/10/2001 |
| 6165286 | Diffusion heat treated thermally sprayed coatings A method of aluminum diffusion coating the surface of an iron-, nickel-, cobalt-, or titanium-base alloy product begins with cleaning and providing an anchor profile on the surface of the product, followed by depositing with an appropriate thermal spray m... | 12/26/2000 |
| 6139649 | Diffusion method for coating high temperature nickel chromium alloy products The inner surface of a high temperature nickel chromium alloy product such as ethylene furnace tubes is cleaned with high temperature hydrogen to prepare the surface for the deposition, diffusion and modification of metals. A first layer of chromium or ch... | 10/31/2000 |
| 6136454 | Cobalt-tin alloy coating on aluminum by chemical conversion An aluminum or aluminum alloy surface which during use is exposed to sliding friction is coated to provide a chemical conversion coating of tin comprising 0.2-10.0 wt. % cobalt. For example, a swash plate type compressor has a cylinder block with cylinder... | 10/24/2000 |
| 6129996 | Conversion coatings of tin with cobalt and bismuth for aluminum sliding surfaces An aluminum or aluminum alloy surface which during use is exposed to sliding friction has a chemical conversion coating of mostly tin with 0.2-10.0 wt. % cobalt and 0.1 to 12 wt. % bismuth. For example, a swashplate of a swashplate type compressor may be ... | 10/10/2000 |
| 6113709 | Method of preparing a conductive bonding pad The present invention is drawn to a method of lowering the net resistivity of an interconnect by depositing a monomer layer upon an aluminum bonding pad, the treatment thereof to cross link the monomer to form an electrically conductive polymer, and simul... | 09/05/2000 |
| 6022425 | Conversion coating and process and solution for its formation A process for forming a conversion coating on the surface of a metal, including: contacting the metal with an acidic solution containing an oxidant in order to initiate growth of a metal oxide cell structure on the metal surface; contacting the metal with... | 02/08/2000 |
| 5948178 | Composition and process for forming a solid adherent protective coating on metal surfaces An aqueous liquid chromate free composition for forming a protective coating on metals, particularly aluminum, is made by reacting cobalt(II) cations, carboxylate anions, at least one other type of coordinate complexing agent for cobalt(III) cations, and ... | 09/07/1999 |
| 5916378 | Method of reducing metal contamination during semiconductor processing in a reactor having metal components A method of reducing metal contamination during semiconductor processing in a reactor having metal components is provided. The method includes forming an aluminum oxide layer on the surface of certain of the metal components before processing of substrate... | 06/29/1999 |
| 5873953 | Non-chromated oxide coating for aluminum substrates An improved process that is commercially practical for forming an oxide film cobalt conversion coating exhibiting corrosion resistance and paint adhesion properties on an aluminum or aluminum alloy substrate (for example, aerospace and aircraft parts), th... | 02/23/1999 |