Patents Assigned to TB-SAFETY GmbH
  • Patent number: 9550141
    Abstract: A device for filtering contaminated air includes an air filter, an intake fan driven by an electric motor, a filter housing, to which the air filter can be fastened by means of a threaded connection, and a battery for driving the electric motor, wherein the intake fan has a guide blade and an impeller, and the intake fan is arranged in a chimney-shaped shell on the filter housing.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: January 24, 2017
    Assignee: TB-SAFETY GMBH
    Inventor: Niklaus Keel
  • Publication number: 20140026526
    Abstract: A device for filtering contaminated air includes an air filter, an intake fan driven by an electric motor, a filter housing, to which the air filter can be fastened by means of a threaded connection, and a battery for driving the electric motor, wherein the intake fan has a guide blade and an impeller, and the intake fan is arranged in a chimney-shaped shell on the filter housing.
    Type: Application
    Filed: April 3, 2012
    Publication date: January 30, 2014
    Applicant: TB-SAFETY GmbH
    Inventor: Niklaus Keel