Patents by Inventor Constantin George Panourgias

Constantin George Panourgias 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: 4059296
    Abstract: A quick-action pipe or hose coupling made of a plastics material comprising a male and female member for attachment to respective free ends of first and second pipes to be coupled together, the female member being shaped to receive said male member and having at least two locking members thereon, each locking member having first and second parts for cooperation with said male member to grip and retain it in the female member, said first part being shaped to cooperate with the male member so that said pipes are drawn together when the locking member is moved from a release position to a clamping position and said second part having an abutment surface which abuts against a corresponding abutment surface on the male member when the lever is in its clamping position to prevent axial separation of the pipes.
    Type: Grant
    Filed: November 11, 1975
    Date of Patent: November 22, 1977
    Assignee: Hellenic Plastics and Rubber Industry
    Inventor: Constantin George Panourgias