Patents by Inventor Holger Knappe

Holger Knappe 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: 10005036
    Abstract: The object of the invention relates to membrane housing elements that are constructed from an inner element, a fiber wrapping, and a casing, and to a method for its manufacture. Due to their structure, the membrane housing elements provide a high pressure resistance with respect to both radial and axial loading. The continuous manufacturing method allows the manufacture of a large number of piece numbers with high precision and uniformity. The membrane housing elements are used for membrane housings in the application fields of nanofiltration, ultrafiltration, ion exchange, and reverse osmosis.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: June 26, 2018
    Inventors: Holger Knappe, Nils Knappe
  • Patent number: 8141590
    Abstract: The invention relates to an arrangement for sealing an end section of a tube or of a tubular vessel with a sealing plate arranged pointing toward the tube, and a front plate arranged pointing away from the tube. A peripheral seal is arranged in the outer region of the plates and is disposed at least partly between the sides which point toward one another. The invention provides an arrangement for sealing an end section of a tube or of a tubular vessel, which prevents passage of a medium either out of or into the vessel. This is achieved by virtue of the arrangement, where on at least one of the sides of the plates pointing toward one another in the sealing region, there is a projection which, when forced by pressure onto the sealing plate, brings about a deformation of the seal in the direction of the inner wall of the tube or tubular vessel.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: March 27, 2012
    Inventor: Holger Knappe
  • Publication number: 20110031176
    Abstract: The object of the invention relates to membrane housing elements that are constructed from an inner element, a fiber wrapping, and a casing, and to a method for its manufacture. Due to their structure, the membrane housing elements provide a high pressure resistance with respect to both radial and axial loading. The continuous manufacturing method allows the manufacture of a large number of piece numbers with high precision and uniformity. The membrane housing elements are used for membrane housings in the application fields of nanofiltration, ultrafiltration, ion exchange, and reverse osmosis.
    Type: Application
    Filed: April 8, 2008
    Publication date: February 10, 2011
    Inventors: Holger Knappe, Knappe Nils
  • Publication number: 20100032043
    Abstract: The invention relates to an arrangement for sealing an end section of a tube or of a tubular vessel with a sealing plate arranged pointing toward the tube, and a front plate arranged pointing away from the tube. A peripheral seal is arranged in the outer region of the plates and is disposed at least partly between the sides which point toward one another. The invention provides an arrangement for sealing an end section of a tube or of a tubular vessel, which prevents passage of a medium either out of or into the vessel. This is achieved by virtue of the arrangement, where on at least one of the sides of the plates pointing toward one another in the sealing region, there is a projection which, when forced by pressure onto the sealing plate, brings about a deformation of the seal in the direction of the inner wall of the tube or tubular vessel.
    Type: Application
    Filed: September 26, 2006
    Publication date: February 11, 2010
    Inventor: Holger Knappe
  • Patent number: 6238757
    Abstract: The invention relates to laminate plastics, preferably in the form of tubes, having an inner layer of thermoplastic and an outer layer of typically fiber-reinforced reaction resins, and is characterized in that the curing of the reaction resins is effected by light curing at temperatures between approximately 20 and 60° C.
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: May 29, 2001
    Inventor: Holger Knappe
  • Patent number: 5425877
    Abstract: The invention relates to membrane elements for reverse osmosis, comprising a permeate pipe with a membrane wound around it, around which glass fibers are wound radially and fixed by reaction resins, and is characterized in that the reaction resins are cross linked by photopolymerization.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: June 20, 1995
    Inventor: Holger Knappe
  • Patent number: 5012950
    Abstract: The invention relates to plastic containers for liquids and gases, which are characterized in that they have a seamless inner layer of modified PPO or PP and a glass fiber layer following it, laid on geodesic lines and provided partly or completely with reaction resins or thermoplastics as well as an optional outer coating of hardenable reaction resins or thermoplastics. In regions of particular strain, the plastic containers may have, between the liner and the glass fiber layer comprising long fibers, an intermediate layer of thermoplastics or reaction resins not having containing monomeric styrene and with approximately 20 to 40% by weight of glass fibers in the form of short fibers.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: May 7, 1991
    Inventor: Holger Knappe
  • Patent number: 4968544
    Abstract: The invention relates to a composite synthetic resin comprising a combination of fiber-reinforced unsaturated polyester resins and styrene-modified polyphenyl oxide as well as the use of these synthetic reins for manufacturing storage containers for water or substantially aqueous solutions. Further, the invention comprises a composite synthetic resin that is characterized by a fiber proportion of over 60% of the fiber-reinforced unsaturated polyester resin used.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: November 6, 1990
    Inventor: Holger Knappe