Patents by Inventor Jan Ditmarsen

Jan Ditmarsen 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).

  • Apparatus for investigating flowable material and device for conveying samples
    Patent number: 6236048
    Abstract: An apparatus for examining a flowable material comprises a tube having an opening for receiving material and an opening for discharging material. Further, the tube comprises a segment adapted for making measurements. Adjacent the tube section there is a measuring device having a light source on one side for transmitting light into the segment and a light receiver on the opposite side to measure the effect upon the light of a material placed in the segment. At the beam path between the light source and the light receiver, the walls of the tube segment are made of a material being translucent or transparent to the range of light wavelengths to be examined. A recording unit connected to the measuring device records individual measurement values or sets of same on material placed in the tube segment.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: May 22, 2001
    Assignee: Wolfking Danmark A/S
    Inventors: Jan Ditmarsen, Hilmer Jensen, Freddy Petersen, Claus Borggaard, Jens Havn Thorup
  • Apparatus for investigating flowable material and device for conveying samples
    Patent number: 6020588
    Abstract: An apparatus for examining a flowable material comprises a tube having an opening for receiving material and an opening for discharging material. Further, the tube comprises a segment adapted for making measurements. Adjacent the tube section there is a measuring device having a light source on one side for transmitting light into the segment and a light receiver on the opposite side to measure the effect upon the light of a material placed in the segment. At the beam path between the light source and the 36 light receiver, the walls of the tube segment are made of a material being translucent or transparent to the range of light wavelengths to be examined. A recording unit connected to the measuring device records individual measurement values or sets of same on material placed in the tube segment.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: February 1, 2000
    Assignee: Wolfking Danmark A/S
    Inventors: Jan Ditmarsen, Hilmer Jensen, Freddy Petersen, Claus Borggaard, Jens Havn Thorup