Patents by Inventor Dirk Drücke

Dirk Drücke 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).

  • Method and device for testing cigarette packages wrapped with film
    Patent number: 8577122
    Abstract: A method for testing moving products having at least two layers, such as cigarette packages wrapped with film, wherein at least one layer of the product, namely an inner layer which is arranged further inwards, is covered at least regionally by at least one, at least partially transparent product layer, namely an outer layer which is arranged further outwards, wherein the outer layer of the product is illuminated under an angle of incidence of about 35°, with light, in which the light that is reflected at this layer comprises at least 70%, at least 90%, or at least 95%, of linearly s-polarized light, the s-polarized component of the light reflected by the outer layer and/or of the light reflected by the inner layer and/or the p-polarized component of the light reflected by the outer layer and/or of the light reflected by the inner layer are recorded in each case using at least one suitable electrooptic recording element in the form of an image or partial image of the product and wherein the recorded s-polariz
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: November 5, 2013
    Assignee: Focke & Co. (GmbH & Co. KG)
    Inventors: Michael Czarnotta, Vincent Kral, Dirk Drücke
  • Method and Device for Testing Cigarette Packages Wound with Film
    Publication number: 20110038526
    Abstract: A method for testing moving products having at least two layers, such as cigarette packages wrapped with film, wherein at least one layer of the product, namely an inner layer which is arranged further inwards, is covered at least regionally by at least one, at least partially transparent product layer, namely an outer layer which is arranged further outwards, wherein the outer layer of the product is illuminated under an angle of incidence of about 35°, with light, in which the light that is reflected at this layer comprises at least 70%, at least 90%, or at least 95%, of linearly s-polarized light, the s-polarized component of the light reflected by the outer layer and/or of the light reflected by the inner layer and/or the p-polarized component of the light reflected by the outer layer and/or of the light reflected by the inner layer are recorded in each case using at least one suitable electrooptic recording element in the form of an image or partial image of the product and wherein the recorded s-polariz
    Type: Application
    Filed: April 6, 2009
    Publication date: February 17, 2011
    Inventors: Michael Czarnotta, Vincent Kral, Dirk Drücke