Patents by Inventor Michael George Ridler Hammond

Michael George Ridler Hammond 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).

  • Process for forming sealed liquid filled bags
    Patent number: 4055032
    Abstract: Tap attachment means are secured to an elongate web of heat sealable plastics material. The web is formed into a plurality of sealed liquid filled bags, each bag being formed from a length of the web to which is secured a tap attachment means. Each tap attachment means facilitates the draining of the liquid from the bag.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: October 25, 1977
    Assignee: A.C.I. Operations Pty. Ltd.
    Inventor: Michael George Ridler Hammond