Patents by Inventor ANDREAS KARWOWSKI

ANDREAS KARWOWSKI 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).

  • Positive displacement pump
    Patent number: 10190583
    Abstract: A positive displacement pump includes a drive unit and a pump unit. The pump unit comprises at least one inline valve unit, a connecting and/or spacing device, and a pair of flanges which are connected to each other via the connecting and/or spacing device. In an operating position, the at least one inline valve unit is clamped between the pair of flanges. The at least one inline valve unit is configured to be displaced without removing the connecting and/or spacing device.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: January 29, 2019
    Assignee: MHWIRTH GMBH
    Inventors: Norbert Jaeger, Andreas Karwowski
  • HOT SLURRY PUMP
    Publication number: 20160327032
    Abstract: A hot slurry pump includes at least one working chamber, at least one displacement chamber which is arranged to be immobile with respect to the at least one working chamber, at least one transfer line, and one separator arranged in each of the at least one transfer line. The at least one transfer line either does not comprise a cooling section or comprises a cooling section having a length of less than 5 m.
    Type: Application
    Filed: December 2, 2014
    Publication date: November 10, 2016
    Applicant: MHWIRTH GMBH
    Inventors: NORBERT JAEGER, ANDREAS KARWOWSKI
  • POSITIVE DISPLACEMENT PUMP
    Publication number: 20160177946
    Abstract: A positive displacement pump includes a drive unit and a pump unit. The pump unit comprises at least one inline valve unit, a connecting and/or spacing device, and a pair of flanges which are connected to each other via the connecting and/or spacing device. In an operating position, the at least one inline valve unit is clamped between the pair of flanges. The at least one inline valve unit is configured to be displaced without removing the connecting and/or spacing device.
    Type: Application
    Filed: July 2, 2014
    Publication date: June 23, 2016
    Applicant: MHWIRTH GMBH
    Inventors: NORBERT JAEGER, ANDREAS KARWOWSKI