Patents by Inventor Reijnoud Koelemey

Reijnoud Koelemey 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).

  • Sounding apparatus and method for operating it
    Patent number: 6357283
    Abstract: Sounding apparatus for pressing a sounding rod into a piece of ground in order to determine the soil properties at various depths, comprising a sounding rod which is intended to be pressed into a piece of ground; first and second clamping members for alternately clamping the sounding rod in place; first drive means for moving the first clamping member up and down in the longitudinal direction of the sounding rod; in which apparatus the first and second clamping members can be separately actuated between an open position and a closed position; second drive means are provided for moving the second clamping member up and down in the longitudinal direction of the sounding rod; and control means are provided, which are connected to the clamping members and drive means for alternately clamping in place, releasing and moving the respective clamping members up and down.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: March 19, 2002
    Assignee: Verenigde Bedrijven Van den Berg Heerenveen Holding B.V.
    Inventors: Engbert Welling, Reijnoud Koelemey