Patents by Inventor Ernest C. Hinck

Ernest C. Hinck 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).

  • Device for removing debris from a drillhole
    Patent number: 5143162
    Abstract: A device for use adjacent to a down-the-hole percussive drillhead, for removing debris from a drillhole, includes a separator for removing water and other matter from the percussive fluid prior to the percussive fluid entering the drillhead. The water and other matter are ejected into the drillhole to remove the debris, and the separator includes a one-way flow valve to prevent backflow of debris and water into the drillhead during periods when the percussive fluid flow ceases.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: September 1, 1992
    Assignee: Ingersoll-Rand Company
    Inventors: Leland H. Lyon, Ernest C. Hinck
  • Method for removing debris from a drillhole
    Patent number: 5139095
    Abstract: A method for removing debris from a drillhole, includes positioning a separator adjacent to a down-the-hole percussive drillhead, for removing water and other matter from the percussive fluid prior to the percussive fluid entering the drillhead. The water and other matter are ejected into the drillhole to remove the debris, and backflow of debris and water into the separator and drillhead is prevented, during periods when the percussive fluid flow ceases.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: August 18, 1992
    Assignee: Ingersoll-Rand Company
    Inventors: Leland H. Lyon, Ernest C. Hinck