Patents by Inventor Helmut Pfutzner

Helmut Pfutzner 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).

  • Thermal chamber for temperature control of biological specimens
    Patent number: 5635397
    Abstract: A thermal chamber, e.g. for culturing bacteria, has between a pair of sidewalls, a plurality of replaceable bridge members or plates which can be formed with undulating broad surfaces or grooves to accommodate flasks so that gaps between the plates receive measuring devices for turbidity or the like. The plates are thermally conductive and abut the walls which can be provided with heating or cooling units.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: June 3, 1997
    Assignee: Sy-Lab Vertriebsgesellscaft m.b.H.
    Inventors: Karl Futschik, Roland Schiessl, Helmut Pfutzner, Gert Franzl
  • Apparatus for the automatic monitoring of microorganism culture
    Patent number: 5432086
    Abstract: Impedance measurements from an array of cells containing microorganisms whose growth or multiplication are to be measured in terms of the impedance, utilizes electrodes which can be introduced into the cells and have contact pieces engageable by one or more probes of a measuring head displaceable by an x, y carriage system into alignment with the successive contact pieces. The system avoids the need for voluminous conductor arrangements and multiplexing systems.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: July 11, 1995
    Assignee: Sy-Lab Vertriebsgellschaft m.b.H.
    Inventors: Gert Franzl, Helmut Pfutzner, Karl Futschik