Patents by Inventor Donald P. Traut

Donald P. Traut 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: 5140767
    Abstract: An accessory for ice fishing for preventing the loss of a fish by breaking the line or dislodging the hook while being pulled through the ice hole; the device consists of a handle with a downward extension handle and an ice scoop separated by a downward extension tube whereby the ice scoop is hinged so that the scoop may be brought to the closed position when a fish has been pulled into the ice hole precluding the fish from getting away even if the line is broken or the fish had dislodged the hook.
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: August 25, 1992
    Inventor: Donald P. Traut
  • Patent number: 4224147
    Abstract: An improved withdrawal means for removing spent adsorbent from the adsorber beds of a filter apparatus is disclosed comprising a fixed tube and a rotatable tube positioned concentrically and having a different pattern of slots through each so that a different portion of the slots in each come into an aligned relationship as the rotatable tube is rotated so that spent adsorbent can be pneumatically removed from zones where the slots are aligned. This withdrawal means allows the external selection of adsorbent withdrawal zones, which is especially important in filter apparatus used to filter fluids containing radioactive contaminants.
    Type: Grant
    Filed: May 10, 1978
    Date of Patent: September 23, 1980
    Assignee: Helix Technology Corporation
    Inventor: Donald P. Traut