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!
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| Number | Title | Issue Date |
| 7307045 | Signal switching device A signal switching device is disclosed that is capable of transmitting signals with less signal loss while securing a good isolation characteristic. The signal switching device includes a first section formed from a superconducting material connected to a first tran... | 12/11/2007 |
| 6297200 | High-frequency substrate material for thin-film layered perovskite superconductors A lanthanum aluminate (LaAlO3) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure, has a crystal structure and lattice constant that... | 10/02/2001 |
| 5859386 | Superconductive electrical transmission line An electrical transmission line for conveying and limiting current by using a plurality of tubular portions made from a superconductive material. The tubular portions have a high critical temperature and are connected end-to-end by flexible, electrically ... | 01/12/1999 |
| 5773875 | High performance, low thermal loss, bi-temperature superconductive device A superconductive electrical device is operable simultaneously at relatively higher temperatures, i.e., 60-90K, and at relatively lower temperatures, i.e., less than 12K. The device comprises a non-superconductive substrate with two regions, a first relat... | 06/30/1998 |
| 5760463 | Superconducting layer in contact with group III-V semiconductor layer for wiring structure A superconductor device which includes a first wiring part and a second wiring part which together form a superconductive wiring. The first wiring part is arranged onto a substrate and is made of a superconductor material. The second wiring part is made o... | 06/02/1998 |
| 5183965 | Ceramic superconducting downlead An electrical conductor particularly suited for use as a downlead to low temperature devices includes a ceramic honeycomb body having longitudinal channels wherein films of substantially single crystals of a ceramic superconductor are grown. The maximum c... | 02/02/1993 |
| 5132487 | Superconductor transmission line An improved transmission system for electrical energy comprising a plurality of ball members interspersed by mating members enclosed within at least one protective outer wrapping, with the ball members and the mating members being in contact with adjacent... | 07/21/1992 |
| 5083188 | Integrated circuit having superconductive wirings An integrated circuit having a superconductive wiring comprises a semiconductor substrate, an integrated circuit device formed on the semiconductor substrate and a wiring connected to the integrated circuit device. The wiring is formed of a superconductiv... | 01/21/1992 |
| 4969032 | Monolithic microwave integrated circuit having vertically stacked components A monolithic microwave integrated circuit having multiple, vetically stacked components wherein at least three metal layers isolated from each other by layers of non-conducting material are formed on a semi-insulating substrate, generally comprised of gal... | 11/06/1990 |
| 4877515 | Use of polysulfide treated molecular sieves to remove mercury from liquefied hydrocarbons Disclosed herein is a process for removing contaminating mercury from hydrocarbon streams, gas or liquid, wherein the stream is contacted with a molecular sieve pretreated with an alkali polysulfide. The pretreatment consists of saturating the sieve with ... | 10/31/1989 |
| 4599519 | Superconducting magnetic energy storage for asynchronous electrical systems A superconducting magnetic energy storage coil connected in parallel between converters of two or more ac power systems provides load leveling and stability improvement to any or all of the ac systems. Control is provided to direct the charging and indepe... | 07/08/1986 |
| 4567383 | Fluxoid type superconducting logic element A fluxoid type superconducting logic element essentially comprises a single main superconductor loop and a switching element connected across the main superconductor loop. When the switching element is open, a permanent current flows in the main supercond... | 01/28/1986 |
| 4227096 | Microwave integrated circuit for Josephson voltage standards A microwave integrated circuit, comprised of one or more Josephson junctions and short sections of microstrip or stripline transmission line, is fabricated from thin layers of superconducting metal on a dielectric substrate. The short sections of transmis... | 10/07/1980 |
| 3981691 | Metal-clad dielectric sheeting having an improved bond between the metal and dielectric layers An improved bond between the metal and dielectric layers of metal-clad dielectric sheeting is obtained by use of a black-chromium treatment on the metal layer.... | 09/21/1976 |
| 3959549 | Multi-layer insulation for deep-cooled cables A multi-layer insulation for deep-cooled cables utilizing insulating foils having a dielectric loss factor less than 5×10.sup.-5 in which a layer of a spun bonded paper of high density polyethylene fibers is placed between each two layers of i... | 05/25/1976 |
