Patents by Inventor Gerhard Veh

Gerhard Veh 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).

  • Process for wet screening fibrous suspensions
    Publication number: 20040004032
    Abstract: Process and apparatus for wet screening fibrous suspensions with a screen having a plurality of screen openings. The process includes guiding a portion of the fibrous suspension passing through the plurality of screen openings, which are formed as long holes having widths of between 1 and 8 mm, as accepted stock, and guiding a portion of the fibrous suspension not passing through the long holes separately from the accepted stock as rejected material. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: April 22, 2003
    Publication date: January 8, 2004
    Applicant: Voith Paper Patent GmbH
    Inventors: Ralf Burger, Werner Lange, Gerhard Veh, Samuel Schabel, Geoffrey G. Duffy
  • Pressure screening apparatus for screening a paper stock suspension and screen clearer for such a screening apparatus
    Patent number: 6311850
    Abstract: A pressure screening apparatus for screening a stock suspension and screen clearer for a pressure screening apparatus.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: November 6, 2001
    Assignee: Voith Sulzer Papiertechnik Patent GmbH
    Inventors: Hans Friedrich, Josef Bruckner, Gerhard Veh
  • Process for the manufacture of a sifting device with slit-shaped openings and an appropriately manufactured sifting device
    Patent number: 6047834
    Abstract: Process for manufacturing a sifting device (or strainer baskets) for use in, e.g., in the paper industry for sorting and/or filtering fiber pulp suspensions. Sorter slits may be created between a plurality of substantially parallel rods inserted into respective insets formed in a support element. The rods may be securely held in place by first inserting the rods into the insets and then by permanently bonding the placement of the rods in the support elements with a bonding agent, e.g., as hard-soldering or brazing.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: April 11, 2000
    Assignee: Voith Sulzer Stoffaufbereitung GmbH
    Inventors: Klaus Dolle, Rudolf Kleinert, Joachim Nittke, Reimund Rienecker, Peter Schweiss, Gerhard Veh
  • Rotor for a screen grader
    Patent number: 5611434
    Abstract: The invention concerns a rotor with impulse elements running in the vicinity of a rotationally symmetric screen basket and with blade elements which are run radially within the impulse elements with or by the rotor, notably for use in screen graders. The invention is characterized in that a pump impeller is formed by the mutual coordination and design of the blade elements.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: March 18, 1997
    Assignee: Voith Sulzer Stoffaufbereitung GmbH
    Inventors: Gerhard Veh, Jurgen Oerter
  • Flotation cell and injector
    Patent number: 5465848
    Abstract: A flotation cell with at least one injector for introducing a fluid and aspirating air therethrough has a multi-hole aperture plate. Premixing tube sections are disposed in the injector downstream from the aperture plate at a distance from the plate of at least 0.1 times the diameter of a hole in the aperture plate. The tube sections are oriented perpendicular to the aperture plate and open into a mixing tube.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: November 14, 1995
    Assignee: J. M. Voith GmbH
    Inventors: Gerhard Veh, Peter Schweib, Hans-Dieter Dorflinger