Patents by Inventor Stefan O. Lenk

Stefan O. Lenk 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).

  • Apparatus for the measurement of a concentration of a charged species in a sample
    Patent number: 9766205
    Abstract: An apparatus (1) for the measurement of a concentration of a charged species in a sample (10) is disclosed. The sample (10) comprises a plurality of types of charged species and at least one insoluble component. The apparatus (1) comprises a first circuit with a voltage control device (54) connectable to two first electrodes (30, 30?) arranged along a channel (12) holding the sample (10) and a second circuit with a conductivity detection device (55) connectable to two second electrodes (5, 5?) arranged in the channel (12). The first circuit and the second circuit are dc and ac electrically isolated from each other.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: September 19, 2017
    Assignee: CE-MATE B.V.
    Inventors: Steven S. Staal, Jan Floris, Stefan O. Lenk
  • APPARATUS FOR THE MEASUREMENT OF A CONCENTRATION OF A CHARGED SPECIES IN A SAMPLE
    Publication number: 20140251812
    Abstract: An apparatus (1) for the measurement of a concentration of a charged species in a sample (10) is disclosed. The sample (10) comprises a plurality of types of charged species and at least one insoluble component. The apparatus (1) comprises a first circuit with a voltage control device (54) connectable to two first electrodes (30, 30?) arranged along a channel (12) holding the sample (10) and a second circuit with a conductivity detection device (55) connectable to two second electrodes (5, 5?) arranged in the channel (12). The first circuit and the second circuit are dc and ac electrically isolated from each other.
    Type: Application
    Filed: May 19, 2014
    Publication date: September 11, 2014
    Applicant: Medimate Holding B.V.
    Inventors: Steven S. Staal, Jan Floris, Stefan O. Lenk