Patents by Inventor Juri Kolts

Juri Kolts has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Corrosion cracking test specimen and assembly
    Patent number: 4866999
    Abstract: A corrosion cracking test assembly comprising a pair of strips each having notches formed along one edge and assembled in a stressed condition.
    Type: Grant
    Filed: August 18, 1988
    Date of Patent: September 19, 1989
    Assignee: Conoco Inc.
    Inventors: Colin Burnette, Juri Kolts
  • Corrosion resistant nickel-iron alloy
    Patent number: 4489040
    Abstract: Disclosed is an alloy eminently suited for use as a tubular product in deep, sour gas operations. The alloy has an optimum combination of corrosion resistance, high strength in the cold worked condition and resistance to sulfide stress cracking and stress corrosion cracking. A typical alloy contains, in weight percent, 0.03 carbon, 22 chromium, 36 iron, 3 molybdenum, 1 manganese, 36 nickel, 0.60 silicon, 0.15 nitrogen, up to 3 tungsten and incidental impurities including copper, cobalt, columbium, tantalum and titanium.
    Type: Grant
    Filed: April 2, 1982
    Date of Patent: December 18, 1984
    Assignee: Cabot Corporation
    Inventors: Aziz I. Asphahani, Eugene W. Kelley, Juri Kolts