Patents by Inventor Herbert L. Eiselstein

Herbert L. Eiselstein 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 resistant high-strength nickel-base alloy
    Patent number: 4788036
    Abstract: Nickel-base alloys containing special and correlated percentages of chromium, iron, molybdenum, titanium, columbium, aluminum etc. (i) provide an attractive combination of strength, ductility, resistance to environmental media and other desirable characteristics, (ii) can be processed by cold working and age hardening to achieve yield strengths of 150,000 psi (1034 MPa) to 200,000 psi (1379 MPa) together with tensile elongations of 10% to 20%, (iii) are resistant to such corrosive media as hydrogen sulphide and acid chloride solutions, and to hydrogen embittlement, and (iv) are useful for, inter alia, petroleum production tubing and sulfur dioxide gas scrubber applications.
    Type: Grant
    Filed: October 1, 1986
    Date of Patent: November 29, 1988
    Assignee: INCO Alloys International, Inc.
    Inventors: Herbert L. Eiselstein, Jerry A. Harris, Darrell F. Smith, Jr., Edward F. Clatworthy, Stephen Floreen, Jeffrey M. Davidson
  • Apparatus and method for fabricating tubes from powder
    Patent number: 4435359
    Abstract: An apparatus (10) and method for fabricating tubes (26) from powders (32). A retractable, rotating mandrel (18) is disposed within a powder hopper (12) and circumscribed by a plurality of swaging dies (20). A flexible iris (14), disposed between the hopper (12) and the dies (20), reduces powder (32) loss.As the mandrel (18) is withdrawn from the hopper (12), the dies (20) alternatingly expand and contract compacting the powder (32) in a compaction zone (48) about the mandrel (18) to form a tube (26). The resultant continuous tube (26) is withdrawn along with the mandrel (18).
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: March 6, 1984
    Assignee: Huntington Alloys, Inc.
    Inventors: Herbert L. Eiselstein, Darrell F. Smith, Jr., Edward F. Clatworthy
  • High temperature nickel-base alloys
    Patent number: 4153455
    Abstract: A nickel-base alloy intended for diverse application, including components for high temperature, gas cooled reactors (HTGR), the alloy containing, in addition to nickel, chromium, tungsten, titanium and carbon, the presence of aluminum and cobalt being controlled for HTGR use.
    Type: Grant
    Filed: May 19, 1977
    Date of Patent: May 8, 1979
    Assignee: Huntington Alloys, Inc.
    Inventors: Herbert L. Eiselstein, Allen C. Lingenfelter
  • Nickel-iron-chromium alloy wrought products
    Patent number: 3930904
    Abstract: Nickel-iron-chromium-molybdenum-columbium alloy of specially controlled composition has heat and corrosion resistance characteristics particularly useful for, inter alia, use in aqueous solutions containing chlorides.
    Type: Grant
    Filed: October 29, 1974
    Date of Patent: January 6, 1976
    Assignee: The International Nickel Company, Inc.
    Inventors: Herbert L. Eiselstein, James C. Hosier, Ralph C. Scarberry