Patents by Inventor ANDREAS ZOURNATZIS

ANDREAS ZOURNATZIS 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).

  • SPEARGUN WITH A SPEAR DRIVE SHAFT
    Publication number: 20160069634
    Abstract: The present invention relates to a new type of speargun which uses a continuously-variable-transmission drive system for energy storage and transmission of motion of the ejection device (which may be a piston, a rubber element or a spring) to the spear. The continuously-variable-transmission drive system consists of a shaft (10), the winding drums (8-8.1-9) and the ropes (4), (11). In order to double, triple and quadruple the energy storage to the ejection device, the drive system consists of the respective number of shafts, winding drums and ropes.
    Type: Application
    Filed: June 17, 2013
    Publication date: March 10, 2016
    Inventor: ANDREAS ZOURNATZIS