Patents by Inventor Samuel Orrin Seiling

Samuel Orrin Seiling 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).

  • High viscosity product pumping method and apparatus
    Patent number: 6254367
    Abstract: The required larger than normal pressure drop between the infeed and pump inlets of a positive displacement gear or lobe type pump pumping a high viscosity fluid such as pastry dough is obtained by the introduction of a vacuum inside the pump at or near the rotary nip points of the gear or lobe type pump to provide a means for the removal of any gas present in the vicinity of the nip point.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: July 3, 2001
    Inventor: Samuel Orrin Seiling