Patents by Inventor Jan Valk

Jan Valk 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).

  • Membrane stack for a membrane based process and method for producing a membrane therefor
    Patent number: 9308500
    Abstract: The present invention relates to a membrane stack and device for a membrane based process and method therefore. The membrane stack comprises: a number of membranes (78) forming compartments; and fluid supply and discharge means (80) for supplying and discharging a fluid to the compartments such that the fluid is supplied and discharged substantially in the plane of the membrane of the membrane stack. Preferably, the fluid supply and discharge means are provided on opposite sides of the membrane stack. Further, the invention relates to a method of forming the membranes (78).
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: April 12, 2016
    Assignee: Redstack B.V.
    Inventors: Christiaan Haldir Goeting, Jan Valk
  • Membrane, cell, device and method for (reverse) electrodialysis
    Patent number: 8932448
    Abstract: Membrane, cell and device suitable for reverse electrodialysis for the purpose of generating electricity, and methods therefor, the membrane comprising a number of channels arranged on at least a first side of the membrane, wherein the channels are suitable for throughfeed of a fluid, wherein the dimensions of the channels are aimed at obtaining a laminar flow of the fluid in the channels.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: January 13, 2015
    Assignee: Redstack B.V.
    Inventors: Jan Valk, Jan Willem Post
  • Membrane Stack For A Membrane Based Process And Method For Producing A Membrane Therefor
    Publication number: 20130017416
    Abstract: The present invention relates to a membrane stack and device for a membrane based process and method therefore. The membrane stack comprises: a number of membranes (78) forming compartments; and fluid supply and discharge means (80) for supplying and discharging a fluid to the compartments such that the fluid is supplied and discharged substantially in the plane of the membrane of the membrane stack. Preferably, the fluid supply and discharge means are provided on opposite sides of the membrane stack. Further, the invention relates to a method of forming the membranes (78).
    Type: Application
    Filed: March 24, 2011
    Publication date: January 17, 2013
    Applicant: REDSTACK B.V.
    Inventors: Christiaan Haldir Goeting, Jan Valk
  • MEMBRANE, CELL, DEVICE AND METHOD FOR (REVERSE) ELECTRODIALYSIS
    Publication number: 20110086291
    Abstract: Membrane, cell and device suitable for reverse electrodialysis for the purpose of generating electricity, and methods therefor, the membrane comprising a number of channels arranged on at least a first side of the membrane, wherein the channels are suitable for throughfeed of a fluid, wherein the dimensions of the channels are aimed at obtaining a laminar flow of the fluid in the channels.
    Type: Application
    Filed: March 16, 2009
    Publication date: April 14, 2011
    Inventors: Jan Valk, Jan Willem Post