Patents by Inventor Ulf Mielke

Ulf Mielke 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).

  • Patent number: 5598199
    Abstract: A printer for application of droplets of hot melt ink on a substrate in order to generate characters or symbols thereon includes a compact and space saving housing containing a reservoir for supply of the hot melt ink in a solid state, a feeder for reception of the hot melt ink in the solid state form the reservoir, and a printhead having one or several discharge nozzles. Between the feeder and the printhead a chamber is provided in the housing and the feeder is adapted to feed the hot melt ink by means of positive displacement to the chamber while the ink is melted by a heater arranged in the housing. The printhead receives the hot melt ink in a melted state from the chamber and discharges it in the form of droplets from the nozzles for application on the substrate. The reservoir includes perforations to allow carrier gases to escape.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: January 28, 1997
    Assignee: Jetline AB
    Inventor: Ulf Mielke