Patents by Inventor Rosemarie Immesberger

Rosemarie Immesberger 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).

  • FILTER MEDIUM FOR PARTICULATE FILTRATION
    Publication number: 20110209619
    Abstract: A filter medium comprising a carrier layer (1) and a microfiber layer (2) applied thereon is characterized in that, with respect to the aim of providing a filter medium which has a relatively low pressure drop, and at the same time a good fraction separation rate and excellent dust storage capacity, the carrier layer (1) has first fibers, which are designed as endless bicomponent fibers and spunbonded fibers, and the microfiber layer (2) has second fibers, which are designed as endless melt-blown fibers.
    Type: Application
    Filed: October 5, 2009
    Publication date: September 1, 2011
    Applicant: CARL FREUDENBERG KG
    Inventors: Alexandra Lazarevic, Robert Bader, Rosemarie Immesberger, Heinz Reinhardt