Superconductor technology: apparatus, material, process inventions 09/07

20070213227 - Process for the preparation of high temperature superconducting bulk current leads with improved properties and superconducting bulk current leads made thereby: The present invention provides a process for the preparation of high temperature superconducting (HTS) bulk current leads capable of supplying a continuous current of more than 200 A at 77K, at least for 2 to 4 hours without any substantial heat load to cryogen free cryocooler and other superconducting magnet... Agent: Abelman, Frayne & Schwab

20070213228 - Method of producing fine-particle copper powders: Methods for producing finely divided copper or copper alloy powders are described, from compositions containing metal ions and an alkanolamine, preferably monoethanolamine, wherein the alkanolamine acts as a primary reducing agent. In preferred embodiments the methods for producing micron and submicron copper powder utilize precursor compositions containing copper ions in... Agent: Hayden Stone, PLLC

20070207931 - Grooved porous surface, production method and application in heat transfer: A heat transfer tube having surface enhancements so as to improve the thermal performance and increase the heat transfer capacity. The heat transfer tube has an inner surface having a layer of sintered, soldered or brazed metal powder thereon.... Agent: Hodgson Russ LLP The Guaranty Building