Patents by Inventor Veikko Hamalainen

Veikko Hamalainen 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).

  • Method of vaporizing liquids
    Patent number: 4091056
    Abstract: An apparatus is disclosed for delivering a controlled and metered amount of vapors of a vaporizable liquid in a carrier gas to a destination for use there (e.g., ether vapors to a mask for use in anesthesia during surgery). A feature of the apparatus is a metering device in which the height of a ball floating in the gas stream indicates the rate of flow.
    Type: Grant
    Filed: April 15, 1975
    Date of Patent: May 23, 1978
    Inventors: Veikko Hamalainen, Jaakko Aarnio
  • Vaporizing apparatus for liquids
    Patent number: 3941861
    Abstract: An apparatus is disclosed for delivering a controlled and metered amount of vapors of a vaporizable liquid in a carrier gas to a destination for use there (e.g., ether vapors to a mask for use in anesthesia during surgery). A feature of the apparatus is a metering device in which the height of a ball floating in the gas stream indicates the rate of flow.
    Type: Grant
    Filed: June 22, 1973
    Date of Patent: March 2, 1976
    Inventors: Veikko Hamalainen, Jaakko Aarnio