Patents by Inventor Efraim Pecht

Efraim Pecht 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).

  • In-drilling alignment
    Patent number: 7823661
    Abstract: To limit the growth of errors of an inertial navigation system for measurement-while-drilling, in-drilling alignment methods can be used. A pneumatics-based design of an apparatus for an in-drilling alignment method and its implementation downhole are described.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: November 2, 2010
    Inventors: Martin P. Mintchev, Efraim Pecht, Justin Cloutier, Aleksandar Dzhurkov
  • In-drilling alignment
    Publication number: 20090314546
    Abstract: To limit the growth of errors of an inertial navigation system for measurement-while-drilling, in-drilling alignment methods can be used. A pneumatics-based design of an apparatus for an in-drilling alignment method and its implementation downhole are described.
    Type: Application
    Filed: June 24, 2008
    Publication date: December 24, 2009
    Inventors: Martin P. Mintchev, Efraim Pecht, Justin Cloutier, Aleksandar Dzhurkov