Patents by Inventor David W. Ahlgren

David W. Ahlgren 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: 4364963
    Abstract: An improved food preparation process is disclosed. In order to practice the process, a container is provided which has a centrally-depressed receptacle with an outwardly and downwardly extending rim. A food filling is first deposited in the container receptacle. The container receptacle and rim are then covered with a sheet of unbaked dough so that the dough conforms to the container rim. The now-filled and covered container which comprises the food product is then frozen. The frozen product filled container is inverted in a conventional oven and heat is applied. A seal is formed between the dough sheet and the container at the juncture of the container walls and rim. The filling heats to a fluid state. When the container is removed, the filling flows outwardly to fill the upstanding crust formed by the baked dough.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: December 21, 1982
    Assignee: Jeno's, Inc.
    Inventors: Arnold M. Munter, David W. Ahlgren
  • Patent number: 4265919
    Abstract: A process for producing a frozen, pre-prepared food product is disclosed. In order to practice the process, a container is provided which has a centrally-depressed receptacle with an outwardly and downwardly extending rim. A food filling is first deposited in the container receptacle. The container receptacle and rim are then covered with a sheet of unbaked dough so that the dough conforms to the container rim. The now-filled and covered container which comprises the food product is then frozen so that when a sufficient amount of heat is applied to the product, the filling heats to a fluid state. Thus, when the food product is inverted and the container is removed, the filling flows outwardly to fill the upstanding crust formed by the baked dough.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: May 5, 1981
    Assignee: Jeno's, Inc.
    Inventors: Arnold M. Munter, David W. Ahlgren
  • Patent number: 4191881
    Abstract: A rotary type oven for articles of food having a broiling zone with a radiant electrical heater, a baking zone and a toasting zone having a convective electrical heater; the oven is of the helical track type with the zones being one above another.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: March 4, 1980
    Assignee: Jeno F. Paulucci
    Inventors: David W. Ahlgren, David A. Hassell, Elvis S. Zimmer
  • Patent number: 4184421
    Abstract: A food cooking sheet made of flexible metal foil is disclosed, the sheet has an imperforate annular margin forming the outer periphery of the sheet and there is a plurality of webs extending across a perforated center section, the webs structurally connect opposite sides of the margin and radiant heat may be upwardly directed between the webs for browning an item of food supported on the sheet; also disclosed is a method of cooking an item of food, the method involves the use of a perforated sheet of metal foil and a rigid open-bottomed pan for supporting the foil and an item of food atop the foil, and the application of radiant heat through the perforated foil sheet directly against the bottom of a food item, and the removal of the foil sheet and food item together from the pan after cooking.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: January 22, 1980
    Assignee: Jeno F. Paulucci
    Inventor: David W. Ahlgren
  • Patent number: 4164591
    Abstract: A method of heating a food article of the layered type having a crust and a topping of a higher specific heat than the crust, an example of which is a pizza, has the steps of placing the food while in a refrigerated state into an oven, then broiling the topping, then baking the crust and the topping, and lastly toasting the crust; also disclosed is a rotary type oven having a broiling zone with a radiant electrical heater, a baking zone, and a toasting zone having a convective hot air electrical heater; the oven may be of the helical track type with the zones being one above another.
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: August 14, 1979
    Assignee: Jeno F. Paulucci
    Inventors: David W. Ahlgren, David A. Hassell, Elvis S. Zimmer