Patents by Inventor Gunnar Andreen

Gunnar Andreen 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).

  • Patent number: 5811165
    Abstract: Floor mat arrangement for floor mats which have a (synthetic) rubber backing and a pile surface whose pile portion is surrounded by a pile-free border. The arrangement comprises at least two mats whose lower side, in or adjacent the corners of the mats, first Velcro strips or the like are attached. The arrangement further comprises second Velcro straps or strips or the like having opposite fastening means, linking together the first Velcro strips or patches of adjoining mats, arranged edge-to-edge. The back of the mats if formed with a patterned depression of a considerable extent.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: September 22, 1998
    Assignee: S. Berendsen AB
    Inventor: Gunnar Andreen
  • Patent number: 5662756
    Abstract: A method for reusing loose, rejected or scrapped mats (1) of the type having a compact rubber-cloth backing (2) with a textile pile (3) incorporated therein, as well as a circumferential, pile-free backing edge portion (4, 4'), is disclosed. After optionally shaving off pile to produce the circumferential, pile-free backing edge portion, two such mats of essentially the same size, or one such mat and a pile-free rubber cloth of essentially the same size, are put together with the pile sides facing one another, or with the pile side facing the rubber cloth. Then, the edge portions (4, 4') are attached to one another throughout the entire circumference in an air-entrapping manner, whereby to obtain a mat especially suited for use on working sites or in industry.
    Type: Grant
    Filed: June 12, 1995
    Date of Patent: September 2, 1997
    Assignee: S. Berendsen Aktiebolag
    Inventor: Gunnar Andreen
  • Patent number: D362526
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: September 19, 1995
    Assignee: S. Berendsen AB
    Inventors: Gunnar Andreen, Leif Berix