Patents by Inventor Edward J. Potter

Edward J. Potter 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: 5632078
    Abstract: This invention relates to a tip heater for a runnerless injection molding heating probe and to methods for constructing and repairing the same. The tip heater comprises a generally conical shaped tip, a heating wire, insulating material, and a cap. The tip heater is attached to a heating probe positioned within resin channels communicated to mold cavities. The tip heater is characterized by removable and replaceable tips and/or caps which allow the tip heater to be repaired.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: May 27, 1997
    Inventor: Edward J. Potter
  • Patent number: 5527177
    Abstract: This invention relates to a tip heater for a runner-less injection molding heating probe and to methods for constructing and repairing the same. The tip heater comprises a generally conical shaped tip, a heating wire, insulating material, and a cap. The tip heater is attached to a heating probe positioned within resin channels communicated to mold cavities. The tip heater is characterized by removable and replaceable tips and/or caps which allow the tip heater to be repaired.
    Type: Grant
    Filed: June 7, 1994
    Date of Patent: June 18, 1996
    Inventor: Edward J. Potter
  • Patent number: 4098430
    Abstract: An integrally formed, one-piece, generally rectangular, plastic container particularly adapted for holding medicines is disclosed. The container includes a generally rectangular bottom section which is connected to a rectangular top section by means of an integrally formed, flexible, plastic hinge at the rear of the two sections. In the closed position, the top section overlies the bottom section and latch means lock the two sections together. The closed container requires that equal pressure be applied to the rear corners thereof in order to disengage the latch means. The container provides a substantially childproof safety closure for tableted medicines such as aspirin, laxatives, cold tablets, prescription drugs, etc.
    Type: Grant
    Filed: May 11, 1976
    Date of Patent: July 4, 1978
    Assignee: Ethyl Development Corporation
    Inventors: Harley H. Mattheis, Edward J. Potter