Patents by Inventor Bjorn Andre Flotre

Bjorn Andre Flotre 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).

  • Publication number: 20190112804
    Abstract: Sound absorbing material for use in rooms inside buildings. The material comprises a continuous polymeric film (11) having smooth surfaces, said film having a thickness (t) of about 0.1 to 0.3 mm. The film is provided with numerous substantially parallel discontinuous microslits (12) with a degree of perforation of from 0.3-3%. The microslits are cut with laser devices to produce a highly smooth and level surface. The film is tensioned in a frame (16) with a level film surface or curved film surface.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 18, 2019
    Inventors: Bjorn Andre Flotre, Silvia Elena Cirstea, Edwin Robert Toulson
  • Patent number: 10190312
    Abstract: Sound absorbing material for use in rooms inside buildings. The material comprises a continuous polymeric film (11) having smooth surfaces, said film having a thickness (t) of about 0.1 to 0.3 mm. The film is provided with numerous substantially parallel discontinuous microslits (12) with a degree of perforation of from 0.3-3%. The microslits are cut with laser devices to produce a highly smooth and level surface. The film is tensioned in a frame (16) with a level film surface or curved film surface.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: January 29, 2019
    Inventors: Bjorn Andre Flotre, Silvia Elena Cirstea, Edwin Robert Toulson
  • Publication number: 20170044761
    Abstract: Sound absorbing material for use in rooms inside buildings. The material comprises a continuous polymeric film (11) having smooth surfaces, said film having a thickness (t) of about 0.1 to 0.3 mm. The film is provided with numerous substantially parallel discontinuous microslits (12) with a degree of perforation of from 0.3-3%. The microslits are cut with laser devices to produce a highly smooth and level surface. The film is tensioned in a frame (16) with a level film surface or curved film surface.
    Type: Application
    Filed: April 29, 2015
    Publication date: February 16, 2017
    Inventors: Bjørn Andre FLOTRE, Silvia Elena CIRSTEA, Edwin Robert TOULSON