Patents by Inventor Witold Pietrzak

Witold Pietrzak 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).

  • Metal-sheathed structure stripper
    Patent number: 8835792
    Abstract: A device and method for the removal of a metal-sheath layer from a metal-sheathed structure using capacitive discharge in conjunction with step-up and step-down transformers to create a low voltage, high current pulse to remove a selected portion of the metal-sheath layer from the metal-sheathed structure.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: September 16, 2014
    Assignee: The Cleveland Electric Laboratories Company
    Inventors: Witold Pietrzak, Donald Robert Way
  • Metal-sheathed structure stripper
    Publication number: 20080251499
    Abstract: A device and method for the removal of a metal-sheath layer from a metal-sheathed structure using capacitive discharge in conjunction with step-up and step-down transformers to create a low voltage, high current pulse to remove a selected portion of the metal-sheath layer from the metal-sheathed structure.
    Type: Application
    Filed: April 10, 2008
    Publication date: October 16, 2008
    Applicant: Cleveland Electric Laboratories
    Inventors: Witold Pietrzak, Donald Robert Way