Patents by Inventor Stanley E. Edwards

Stanley E. Edwards 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: 4135649
    Abstract: A tap, adapted to be fitted to a filling tube of a liquid container such as a bag formed of plastic material, and which has a diaphragm to sealingly close the spout of the tap, is disclosed. The diaphragm is elastically deformable so as to break the seal and allow liquid to pass through the tap. The tap is further provided with a sealing surface which the diaphragm engages so as to close the spout, and a sleeve portion, extending from the sealing surface, dimensioned so as to be press fitted into and sealingly engaged with the tube.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: January 23, 1979
    Assignee: Lindeman (Holdings) Limited
    Inventors: Richard D. Baldwin, Stanley E. Edwards