Patents by Inventor Helmut Voelkel

Helmut Voelkel 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).

  • Portable ion generator
    Patent number: 4713724
    Abstract: A portable ion generator has a housing with a high-tension source disposed therein and a high-tension electrode of needle shape, projecting from the housing. The needle electrode is surrounded at a spacing therefrom by a second, annular electrode which is also connected to the high-tension source and which projects from the housing at the same side as the needle electrode. The housing is supported on an electrically conductive carrier element which is electrically conductively connected to the annular electrode.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: December 15, 1987
    Assignee: HV Hofmann and Volkel
    Inventor: Helmut Voelkel