Patents by Inventor Stefan Otto Lenk

Stefan Otto 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: 8728292
    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: February 17, 2009
    Date of Patent: May 20, 2014
    Assignee: Medimate Holding B.V.
    Inventors: Steven S. Staal, Jan Floris, Stefan Otto Lenk
  • APPARATUS FOR THE MEASUREMENT OF A CONCENTRATION OF A CHARGED SPECIES IN A SAMPLE
    Publication number: 20120024706
    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: February 17, 2009
    Publication date: February 2, 2012
    Inventors: Steven S. Staal, Jan Floris, Stefan Otto Lenk