Patents by Inventor Mika T. Vidgren

Mika T. Vidgren 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).

  • Powder inhalation device having nozzle to empty dosing chamber
    Patent number: 5575280
    Abstract: The invention relates to a propellant-free inhalation device with a supply of pulverized medical substance in a supply chamber, which has a rotatable dosing means with one or more dosing chambers to receive in one defined position the dose of the medical substance to be inhaled from the supply chamber and to discharge the dose in another position. The inhalation device further is provided with a mouthpiece for active inhalation and an air channel to distribute the dose discharged from the dosing chamber in the flow of breathing air.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: November 19, 1996
    Assignees: Boehringer Ingelheim KG, Orion Corporation
    Inventors: Arun R. Gupte, Heinrich Kladders, Hans D. Ruthemann, Bernd Zierenberg, Raimo K. A. Auvinen, Pekka J. Karttunen, Mika T. Vidgren