Patents Assigned to Blue Air AB
  • Water filtering device
    Patent number: 7323104
    Abstract: A water filter device includes a container (1) that has an opening for filling of water, and a filter unit (3) that is movable relative to the container (1). It is significant of the device that the filter unit (3) includes a filter element (5), an operating rod (7) connected to the filter element (5) and sealing means (14) along the periphery of the filter element (5), and that the filter element (5) has a particle filter (10) and an adsorption filter (11).
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: January 29, 2008
    Assignee: Blue Air AB
    Inventor: Johan Wennerström
  • Air cleaner
    Patent number: 6540804
    Abstract: An air cleaner includes a fan unit (1; 1′) and a filter unit (3) that is entirely replaceable, where the fan unit (1; 1′) and the filter unit (3) are mutually connected by a quick coupling and the filter unit includes a filter and an exterior casing that defines an exterior of the air cleaner when the air cleaner is in an operating position.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: April 1, 2003
    Assignee: Blue Air AB
    Inventor: Johan Wennerström
  • Air filter cartridge
    Patent number: D549314
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: August 21, 2007
    Assignee: Blue Air AB
    Inventor: Johan Wennerstrom