Patents by Inventor Peter Douglas Kerr

Peter Douglas Kerr 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).

  • Closure and a liner having a sealing flange with an inwardly directed unflattened fold
    Patent number: 6817479
    Abstract: A closure (2A) overlies a liner (6) which seals a container mount defined by a peripheral edge (12) of the container. The liner (6) includes a sealing flange (31) having an upstanding outermost terminal rim (40) of resilient material which is folded inwardly during closing movement of the closure shell (2A) toward the sealing flange (31) to form an unflattened fold constituting a biasing means for biasing the periphery of the sealing flange (31) against the peripheral edge (12) of the container mouth.
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: November 16, 2004
    Assignee: Crown Cork & Seal Technologies Corporation
    Inventors: Andrew Ferry, Peter Douglas Kerr, David Senior
  • Non-refilling devices for containers
    Patent number: 6357614
    Abstract: An in-bore non-refilling device for a bottle of fine spirits has a valve member 16 in the form of a regular dumbbell, with conical ends 62 arranged back-to-back and joined by a central shaft 63 at their apices. The housing 12 of the device has its bottom end closed by an annular bucket 14 which is snap-engaged into position, and each of the conical ends of the valve member has a toroidal free edge which is capable of making sealing engagement with a complementary surface 22 formed around the bucket aperture.
    Type: Grant
    Filed: September 23, 1999
    Date of Patent: March 19, 2002
    Assignee: Crown Cork & Seal Technologies Corporation
    Inventor: Peter Douglas Kerr