Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 7182979 | High efficiency method for performing a chemical vapordeposition utilizing a nonvolatile precursor A method directed to the use of a nonvolatile precursor, either a solid or liquid precursor, suitable for CVD, including liquid source CVD (LSCVD). Using the method of the invention the nonvolatile precursor is dissolved in a solvent. Choice of solvent is typically ... | 02/27/2007 |
| 5677265 | Process for oxygenation of ceramic high Tc superconductors A process for the oxygenation of ceramic high Tc superconductors is disclosed. The superconductor is formed from a sintered powdered ceramic. Microchannels are formed in the ceramic material by embedding in the powder a plurality of wires or fi... | 10/14/1997 |
| 5627140 | Enhanced flux pinning in superconductors by embedding carbon nanotubes with BSCCO materials Enhanced flux pinning in superconductors is achieved by embedding carbon nanotubes into a superconducting matrix. The carbon nanotubes simulate the structure, size and shape of heavy ion induced columnar defects in a superconductor such as Bi2 ... | 05/06/1997 |
| 5597782 | Method for microwave processing of high temperature superconductors A method for improving the phase purity of a multiphase ceramic high temperature superconductor by selective microwave heating of undesired phases in a multiphase material to cause a phase transformation of the undesired phase to the desired phase. The se... | 01/28/1997 |
| 5468427 | Process for making ultra-fine ceramic particles A process for producing ultra-fine ceramic particles in which droplets are formed from a ceramic precursor mixture containing a metal cation, a nitrogen-containing fuel, a solvent, and an anion capable of participating in an anionic oxidation-reduction re... | 11/21/1995 |
| 5376594 | Low temperature synthesis of YBA2CU308-X and other crystalline oxides Process for preparing a high temperature superconductor such as yttrium bum copper oxides, by dissolving suitable proportions of hydrolyzable salts, oxides, or organometallic compounds of yttrium, barium and copper in an acid pH-controlled water-containi... | 12/27/1994 |
| 5292717 | Method for the production of a structured composite with high-temperature superconductor material A method for producing a structured layer of a first material having at least one recess of a predetermined geometrical shape on a substructure formed of at least one second material that includes a metal oxide superconductor material with a high transiti... | 03/08/1994 |
| 5158930 | Method of improving superconducting qualities of fabricated constructs by shock preprocessing of precursor materials Disclosed is a method of improving the physical properties of superconducting materials which comprises: a. applying a high strain rate deformation to said materi The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 ... | 10/27/1992 |
| 5157015 | Process for preparing superconducting films by radio-frequency generated aerosol-plasma deposition in atmosphere A process for coating a superconductive film onto a substrate is provided. In the first step of this process, a solution of the reagents required to produce the superconductive material is subjected to ultrasonic sound waves to create an aerosol. Thereaft... | 10/20/1992 |
| 5132280 | Method of producing a superconductive oxide layer on a substrate A method of forming a superconductive metal oxide film on a substrate is disclosed. The method comprises depositing a metal layer on the substrate and heat treating the metal layer in an oxygen-containing atmosphere such that the oxide film is formed ther... | 07/21/1992 |
| 5120703 | Process for preparing oxide superconducting films by radio-frequency generated aerosol-plasma deposition in atmosphere A process for coating a superconductive film onto a substrate is provided. In the first step of this process, a solution of the reagents required to produce the superconductive material is subjected to ultrasonic sound waves to create an aerosol. Thereaft... | 06/09/1992 |
| 5114905 | Crystal alignment technique for superconductors A method of processing polycrystalline material by performing multi-axis crystal alignment utilizing anisotropies in the crystalline structure including the step of providing a polycrystalline material in a fluid suspension or malleable form having a magn... | 05/19/1992 |
| 5112801 | Mechanical alignment of particles for use in fabricating superconducting and permanent magnetic materials A method for mechanically aligning oriented superconducting or permanently magnetic materials for further processing into constructs. This pretreatment optimizes the final crystallographic orientation and, thus, properties in these constructs. Such materi... | 05/12/1992 |
| 5100868 | Process for preparing superconducting films by radio-frequency-generated aerosol plasma deposition A two-step process for the preparation of a thallium-containing superconductive film is described. In the first step of this process, an aerosol mist containing reactants necessary to produce a calcium/barium/strontium/copper precursor material is provide... | 03/31/1992 |
| 5089467 | Superconductor structures and method of forming same Superconductive structures and a method of forming the same wherein an assembled mass (12) of superconductive particles, or of a mixture of superconductive particles and particles having other properties, are formed into a desired confined configuration a... | 02/18/1992 |
| 5045528 | Acoustic plane wave preferential orientation of metal oxide superconducting materials A polycrystalline metal oxide such as YBa2 Cu3 O7-X (where 0 | 09/03/1991 |
| 5045525 | Method for the synthesis of a high-temperature superconductor of a defined composition A method for the synthesis of an oxide high-temperature superconductor of defined composition by sintering of the starting oxides, wherein sintering is effected in a chemically and phyically closed system by generating a preset oxygen partial pressure thr... | 09/03/1991 |
| 5017548 | Method of producing high-temperature superconducting ceramics material by mechanical orientation A method for producing high-temperature superconducting ceramic material through mechanical orientation including mixing starting materials in powdered form in proportions effective to produce a high-temperature superconducting oxide ceramic having anisot... | 05/21/1991 |
| 5002928 | Method for forming oxide superconducting films with an ultrasonic wave sprayer A thin film of a superconductor comprising composite metal oxides is formed by atomizing and spraying a homogeneous solution or solutions containing as solutes one or more of metal compounds capable of forming the superconductor, with an ultrasonic wave s... | 03/26/1991 |
| 4997810 | Vibratory calcination of inorganic oxide superconductor precursor powders An inorganic powder is vibrated while being calcined. The vibrations suspend the powder as in a conventional gas-fluidized system, without clumping, but without loss of fines. As applied to superconductor precursor powders, the treatment accelerates growt... | 03/05/1991 |
| 4963523 | High-Tc superconducting unit having low contact surface resistivity and method of making. A low resistivity contact to a high-Tc superconductor is made by forming a contact pad on the surface of an abraded or freshly prepared superconductor by depositing an inert metal on the surface so that a surface resistivity between the surface of the hig... | 10/16/1990 |
| 4959344 | Method of manufacturing superconductive coil by explosive compaction A method of manufacturing a superconductive coil by means of explosive compaction. A wire formed of silver having a superconductive oxide powder charged therein is formed into a coil. The coil is placed within a cylindrical vessel, into which a pressure m... | 09/25/1990 |
| 4939119 | Process for producing a superconducting article A process for producing a superconducting article having a layer of compound oxide of quasi-perovskite type oxide crystal structure by electrodeposition technique. The process is characterized by dispersing a material powder in a liquid containing a carri... | 07/03/1990 |
| 4762754 | Dynamic high pressure process for fabricating superconducting and permanent magnetic materials Shock wave formation of superconductive ceramic oxide electric and magnetic circuit elements with improved microstructures and mechanical properties.... | 08/09/1988 |
