Patents by Inventor Sven Krister Mikael Erlandsson

Sven Krister Mikael Erlandsson 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).

  • Multilayered nonwoven fabrics and method of making the same
    Patent number: 11541629
    Abstract: A nonwoven composite fabric including a first nonwoven layer composed substantially of meltblown fibers, the fibers within the first nonwoven layer having diameters that vary in accordance with a first distribution, a second nonwoven layer composed substantially of meltblown fibers, the fibers within the second nonwoven layer having diameters that vary in accordance with a second distribution, and a third nonwoven layer composed substantially of meltblown fibers, the third nonwoven layer disposed between the first and second nonwoven layers, the fibers within the third nonwoven layer having diameters that vary in accordance with a third distribution that is greater than the first and second distributions.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 3, 2023
    Assignees: PFNONWOVENS LLC, PFNONWOVENS HOLDING S.R.O
    Inventors: John Charles Parsons, IV, Peter Zajaczkowski, Karthik Ramaratnam, Sven Krister Mikael Erlandsson, Pavlina Kasparkova
  • MULTILAYERED NONWOVEN FABRICS AND METHOD OF MAKING THE SAME
    Publication number: 20190351648
    Abstract: A nonwoven composite fabric including a first nonwoven layer composed substantially of meltblown fibers, the fibers within the first nonwoven layer having diameters that vary in accordance with a first distribution, a second nonwoven layer composed substantially of meltblown fibers, the fibers within the second nonwoven layer having diameters that vary in accordance with a second distribution, and a third nonwoven layer composed substantially of meltblown fibers, the third nonwoven layer disposed between the first and second nonwoven layers, the fibers within the third nonwoven layer having diameters that vary in accordance with a third distribution that is greater than the first and second distributions.
    Type: Application
    Filed: May 17, 2019
    Publication date: November 21, 2019
    Inventors: John Charles Parsons, IV, Peter Zajaczkowski, Karthik Ramaratnam, Sven Krister Mikael Erlandsson, Pavlina Kasparkova