Patents by Inventor Dorotej Erjavec

Dorotej Erjavec 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: 7203992
    Abstract: The separator has a bottom (12), a cylindrical body with turbine blades (15), and a sealing ring (11) at the upper end. The separator is made of segments or of an integral one piece. The segment of the separator (10) is manufactured as a turbine wheel, where the radial supports (17) have a periphery (16), on which periphery (16) are disposed uniformly and approximately radially turbine blades (15) having a slightly inclined outer part in the counter-rotation direction. The sealing ring (11) has radial supports (17) and a ring (19), and at the bottom of the lid (1a) it has airflow directing means (20) manufactured as extensions inclined from the periphery towards the radius.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: April 17, 2007
    Assignee: Hyla Proizvodnja Razjov In Trgovina D.O.O.
    Inventors: Janez Pogacar, Dorotej Erjavec
  • Publication number: 20040020004
    Abstract: The object of this invention is a separator for liquid bath type vacuum cleaners, wherein the liquid bath provides the pre-separation and the disposal of the suctioned in particulate matter.
    Type: Application
    Filed: May 27, 2003
    Publication date: February 5, 2004
    Inventors: Janez Pogacar, Dorotej Erjavec