Patents by Inventor Nicholas Zervos

Nicholas Zervos 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).

  • Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises
    Patent number: 4924492
    Abstract: In a telephone local loop transmission arrangement, data is communicated from the customer premises to the central office utilizing a multi-dimensional, passband signal illustratively at 480 kb/s and 1.544 Mb/s.
    Type: Grant
    Filed: March 22, 1988
    Date of Patent: May 8, 1990
    Assignees: American Telephone and Telegraph Company, AT&T Information Systems, Inc.
    Inventors: Richard D. Gitlin, Sailesh K. Rao, Jean-Jacques Werner, Nicholas Zervos
  • Single pressure steam bottoming cycle for gas turbines combined cycle
    Patent number: 4896496
    Abstract: A process for recapturing waste heat from a gas turbine at a single pressure to drive both a high pressure-high temperature steam turbine and a low pressure steam turbine. By placing the reheat coil of the low pressure steam turbine in a common vessel with a portion of the economizer coil (used to preheat the steam for the high pressure-high temperature steam turbine), maximum heat recovery from the exhaust gases of the gas turbine is obtained at a single pressure.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: January 30, 1990
    Assignee: Stone & Webster Engineering Corp.
    Inventor: Nicholas Zervos