Patents by Inventor Demetrios Triantafyllou

Demetrios Triantafyllou 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).

  • Patent number: 4042999
    Abstract: A miniature vacuum cleaner device operated by self-contained dry cells or rechargeable equivalents, and capable of applying light vacuum or pressure through specialized nozzles for such functions as cleaning phonograph records, optical slides, postage stamps and small articles which may be easily disturbed from position upon the occurrence of a substantial draft. The casing element includes means for storing a most commonly used nozzle, and conveniently disassembles for replacement of battery cells and filters. A flexible hose connectable to an exhaust end of the device permits the application of simultaneous pressure and suction to a surface area being cleaned whereby the article bearing the surface does not tend to lift.
    Type: Grant
    Filed: January 17, 1975
    Date of Patent: August 23, 1977
    Inventor: Demetrios Triantafyllou