Patents by Inventor Stefan Wahlqvist

Stefan Wahlqvist 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).

  • Capillary microcuvette
    Patent number: 5674457
    Abstract: The present invention is related to an integral capillary microcuvette comprising a body member and a cavity including a measuring zone within the body member. The cavity is defined by two opposite, substantially parallel inner surfaces of the body member and includes an outer peripheral edge comprising a sample inlet and an inner peripheral zone having a channel of higher capillary force than the measuring zone. The channel extends around the entire inner peripheral zone with ends of the channel communicating with the atmosphere at the exterior of the microcuvette.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: October 7, 1997
    Assignee: Hemocue AB
    Inventors: Anders Williamsson, Stefan Wahlqvist, Sven-Erik Nilsson, Jan Lilja, Lars Jansson, Bertil Nilsson
  • Microcuvette
    Patent number: D433150
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: October 31, 2000
    Assignee: Hemocue AB
    Inventors: Stefan Wahlqvist, Norbert Pogorzelski