Patents by Inventor Alfred Giessbach

Alfred Giessbach 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: 9695808
    Abstract: A positive displacement pump includes a drive unit and a pump unit. The pump unit comprises a plurality of working chambers, a plurality of displacement elements, and at least three cylinders. The pump unit is configured to be double-acting.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: July 4, 2017
    Assignee: MHWIRTH GMBH
    Inventors: Alfred Giessbach, Norbert Jaeger
  • Publication number: 20150260178
    Abstract: A piston membrane pump includes an intake line configured to take in a medium to be pumped, and a dynamic volume storage element arranged in the intake line.
    Type: Application
    Filed: September 25, 2013
    Publication date: September 17, 2015
    Applicant: MHWIRTH GMBH
    Inventor: Alfred Giessbach
  • Publication number: 20140248160
    Abstract: A positive displacement pump includes a drive unit and a pump unit. The pump unit comprises a plurality of working chambers, a plurality of displacement elements, and at least three cylinders. The pump unit is configured to be double-acting.
    Type: Application
    Filed: September 28, 2012
    Publication date: September 4, 2014
    Inventors: Alfred Giessbach, Norbert Jaeger