Patents by Inventor Urban Andersson

Urban Andersson 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).

  • Air trap
    Patent number: 7819953
    Abstract: The invention relates to air traps 13, particularly for chromatography systems, chromatography systems using such air traps and methods of using such chromatography systems, in which the air trap comprises a liquid inlet pipe 33, a liquid outlet pipe 35, a substantially cylindrical reservoir 25 between the inlet and outlet pipes 33, 35, and an air outlet opening, the air outlet opening being openable and closable by means of a valve, wherein the liquid inlet and outlet pipes 33, 35 connect to the reservoir 25 substantially tangentially to the reservoir wall 27, the inlet pipe 33 at a distance above the outlet pipe 35, arranged such that during use incoming liquid at a the maximum permitted flow rate travels a spiral path from the inlet pipe 33 to the outlet pipe 35.
    Type: Grant
    Filed: February 2, 2006
    Date of Patent: October 26, 2010
    Assignee: GE Healthcare Bio-Sciences AB
    Inventor: Urban Andersson
  • Air Trap
    Publication number: 20080134766
    Abstract: The invention relates to air traps 13, particularly for chromatography systems, chromatography systems using such air traps and methods of using such chromatography systems, in which the air trap comprises a liquid inlet pipe 33, a liquid outlet pipe 35, a substantially cylindrical reservoir 25 between the inlet and outlet pipes 33, 35, and an air outlet opening, the air outlet opening being openable and closable by means of a valve, wherein the liquid inlet and outlet pipes 33, 35 connect to the reservoir 25 substantially tangentially to the reservoir wall 27, the inlet pipe 33 at a distance above the outlet pipe 35, arranged such that during use incoming liquid at a the maximum permitted flow rate travels a spiral path from the inlet pipe 33 to the outlet pipe 35.
    Type: Application
    Filed: February 2, 2006
    Publication date: June 12, 2008
    Applicant: GE HEALTHCARE BIO-SCIENCES AB
    Inventor: Urban Andersson
  • Automatic lozenge box dispenser
    Patent number: D276395
    Type: Grant
    Filed: March 25, 1982
    Date of Patent: November 20, 1984
    Assignee: AB Cloetta
    Inventor: Urban Andersson