Patents by Inventor David Edward Haley

David Edward Haley 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).

  • Method and apparatus for conveying dry ice
    Patent number: 5761888
    Abstract: A method and apparatus for distributing dry ice from a central source, through a distribution network of feed conveyors, to one or more remote dispensing stations where the dry ice is dispensed into packaging containers. The feed conveyors are provided with low-friction material ice-contacting surfaces to prevent clumping and sticking of the ice. A programmable electronic controller enables automatic dispensing of batches of predetermined quantities of dry ice to the packaging containers.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: June 9, 1998
    Assignee: Carbonic Industries Corporation
    Inventor: David Edward Haley