Patents by Inventor Kevin D. Fink

Kevin D. Fink 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).

  • Intrinsically safe data network
    Patent number: 5712631
    Abstract: An intrinsically safe data network, such as one defining a system for acquiring and transferring data from inside a hazardous zone at an oil or gas well to outside the hazardous zone, includes a fixed number of at least one data signal conductor and a fixed number of at least one intrinsic safety barrier forming part of the overall network that allows for the use of more transducers than there are intrinsic safety barrier(s).
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: January 27, 1998
    Assignee: Halliburton Company
    Inventors: Roger M. Lewis, Steven L. Cook, Kevin D. Fink
  • Apparatus and method for protecting data stored in memory
    Patent number: 5430882
    Abstract: An apparatus and method provide data security for battery backed memory during power up and power down. A reversing sequential power up and power down process is used to control the write process for the memory during the operating voltage transitions of power up and power down. The apparatus is combined in a housing with a microprocessor and a memory to provide an instrument for an oil or gas well.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: July 4, 1995
    Assignee: Halliburton Company
    Inventors: Stephen E. Tilghman, Kevin D. Fink, Roger M. Lewis