Patents Represented by Attorney Cornelius O'Brien

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  • Low-bridging soldering process
    Patent number: 5390845
    Abstract: A process for wave soldering or reflow soldering comprises contacting substrates with a supply of molten solder containing from about 0.0001 to about 0.1% by weight of phosphorous in an atmosphere of diluent gas containing up to about 0.1% by volume oxygen. A reduced incidence of bridging and other soldering defects occurs.
    Type: Grant
    Filed: June 24, 1992
    Date of Patent: February 21, 1995
    Assignee: Praxair Technology, Inc.
    Inventor: Martin G. McDonald
  • Nickel-chromium corrosion coating and process for producing it
    Patent number: 5326645
    Abstract: An impervious corrosion resistance nickel-chromium coating on a metallic substrate, such as an iron-containing alloy substrate that protects the substrate from a corrosive media and the process for producing the coating on the substrate.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: July 5, 1994
    Assignee: Praxair S.T. Technology, Inc.
    Inventors: Adil A. Ashary, Robert C. Tucker, Jr.
  • Seals for electrochemical cells
    Patent number: 4374909
    Abstract: A sealed electrochemical cell having a secondary seal comprising a cylindrical sleeve disposed and secured around the upstanding wall of the cell's container, a second cover disposed on top of the cell's primary cover and a gasket compressed between the cylindrical ring and the cover forming said secondary seal.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: February 22, 1983
    Assignee: Union Carbide Corporation
    Inventor: Gary R. Tucholski