Patents by Inventor Ulrich Quaschning

Ulrich Quaschning 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).

  • Method, computer program product and computer system for the automatic production of a filter unit
    Patent number: 7330807
    Abstract: The invention relates to a method for the automatic production of a filter installation that consists of a plurality of structural parts or elements. The inventive method comprises the following steps: choosing a field of application of the filter installation to be produced among a plurality of predetermined or predeterminable fields of application and/or choosing a design of the filter installation to be produced among a plurality of predetermined or predeterminable designs; producing an input field depending on the choice made, only those inputs being enabled in said input field that correspond to the choice made. The invention further relates to a computer program product and to a computer system for the automatic production of a filter installation that consists of a plurality of structural parts or elements.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: February 12, 2008
    Assignee: Sartorius Stedim Biotech GmbH
    Inventors: Ulrich Koehler, Ulrich Quaschning, Jochen Von Der Hardt
  • Method, computer program product and computer system for the automatic production of a filter installation
    Publication number: 20030144756
    Abstract: The invention relates to a method for the automatic production of a filter installation that consists of a plurality of structural parts or elements. The inventive method comprises the following steps: choosing a field of application of the filter installation to be produced among a plurality of predetermined or predeterminable fields of application and/or choosing a design of the filter installation to be produced among a plurality of predetermined or predeterminable designs; producing an input field depending on the choice made, only those inputs being enabled in said input field that correspond to the choice made. The invention further relates to a computer program product and to a computer system for the automatic production of a filter installation that consists of a plurality of structural parts or elements.
    Type: Application
    Filed: January 3, 2003
    Publication date: July 31, 2003
    Inventors: Ulrich Koehler, Ulrich Quaschning, Jochen Von Der Hardt
  • Multiple filter housing with filter element locking device
    Patent number: 6372133
    Abstract: A multiple fluid filter apparatus is disclosed having a locking arrangement for securing multiple filter elements that accommodates different size filters, permits axial expansion and contraction of the filters, yet prevents warping.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: April 16, 2002
    Assignee: Sartorius AG
    Inventors: Jochen von der Hardt, Ulrich Quaschning, Maik Jornitz
  • Filtration apparatus for flat filter plates cut to size
    Patent number: 4404102
    Abstract: The invention relates to a filtration apparatus with an upper casing part and a base part, each provided with a fluid chamber and an inlet or outlet respectively, for holding a flat filter plate cut to size which is enclosed between a permeable filter support associated with at least one casing part, and the other casing part, in which structure the two casing parts with inclusion of the flat filter plate cut to size are in the edge area sealed against each other in a leakproof manner and are connected by detachable tightening means.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: September 13, 1983
    Assignee: Sartorius GmbH
    Inventors: Gunter Pradel, Ulrich Quaschning