Patents by Inventor Ivar Tombach

Ivar Tombach 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).

  • Particulate sampler shield
    Patent number: 4242908
    Abstract: Shield structure usable with a particulate matter sampler having a particle size cut-off inlet, comprises:(a) porous shield extending at least part way about said sampler inlet for reducing the velocity of gas flow reaching said inlet via the shield,(b) said shield forming openings that pass the air and particulate entrained in the air for flow at reduced velocity within an open interior zone defined by the shield means and adapted to receive said sampler inlet.
    Type: Grant
    Filed: June 26, 1979
    Date of Patent: January 6, 1981
    Assignee: Aerovironment Inc.
    Inventor: Ivar Tombach