Patents by Inventor Frank Raufeisen

Frank Raufeisen 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: 4674402
    Abstract: A bakery apparatus (15) is disclosed which has air heaters (32) and (33) for thawing frozen bakery goods, refrigeration enclosures (42) and (43) with cooling coils (40) for retarding the cure of bakery goods, a boiler (52) located within the apparatus cabinet (16) near the bottom thereof and a proofing air heater (57) located near the top of the cabinet, both the boiler and the proofing air heater being used for proofing bakery goods prior to baking. Front fans (44) are provided for circulating the air within the apparatus cabinet (16) during thawing and retarding. During proofing air is circulated from the proofing air heater (57) downwardly to the boiler (52) where it picks up moisture and then is circulated upwardly over the bakery goods within the apparatus without leakage of water from the boiler over the bakery goods, and with minimal condensation of water within the duct (64).
    Type: Grant
    Filed: April 17, 1985
    Date of Patent: June 23, 1987
    Assignee: Standex International Corporation
    Inventor: Frank Raufeisen
  • Patent number: D293986
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: February 2, 1988
    Assignee: Standex International Corporation
    Inventor: Frank Raufeisen