Patents by Inventor Larry L. Wuethrich

Larry L. Wuethrich 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).

  • Process for baking muffins in disposable baking tray
    Patent number: 5888572
    Abstract: A disposable muffin tray is used in a baking process having a baking step using a spiral oven with a water bath therein. Hot air is directed into close surface contact with the water pool and then into cross-flow relationship with the muffin trays to effect baking of muffin batter.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: March 30, 1999
    Assignee: H. J. Heinz Company
    Inventors: Paul S. Gics, Karen A. Parucki, Steven J. White, Larry L. Wuethrich
  • Muffin tray and process for baking muffins
    Patent number: 5632924
    Abstract: A muffin tray made from modified crystalline polyethylene terephthalate has a plurality of baking wells with heat-transfer inhibiting bottoms, and protruding circumferential ridges to accommodate differential thermal expansion while limiting related distortion. The muffin tray is used in a baking process having a baking step using a spiral oven with a water bath therein. Hot air is directed into close surface contact with the water pool and then into cross-flow relationship with the muffin trays to effect baking of muffin batter.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: May 27, 1997
    Assignee: H.J. Heinz Company
    Inventors: Paul W. Gics, Karen A. Parucki, Steven J. White, Larry L. Wuethrich