Patents by Inventor Norbert Loevenich

Norbert Loevenich 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).

  • Apparatus for discharging drilling debris, drilling dust and the like, more particularly during the drilling operation in the case of hand drilling machine
    Patent number: 4184226
    Abstract: A device is provided for use with a hand drilling apparatus having a drill bit for discharging the debris formed by drilling into an object, said device comprising a chamber means positioned with respect to said drilling apparatus such that said chamber means is located over the borehole made by said drilling apparatus wherein said drill bit is movable within said chamber; a vacuum means for reducing the pressure in said chamber means; and a duct means for connecting said vacuum means to said chamber means, whereby the debris formed by the drilling collects in said chamber means and is withdrawn therefrom by said vacuum means through said duct means.
    Type: Grant
    Filed: January 27, 1977
    Date of Patent: January 22, 1980
    Inventor: Norbert Loevenich