Patents by Inventor Andrew M. Oltman

Andrew M. Oltman 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: 6351955
    Abstract: An ice maker for use in a refrigeration apparatus as well as a method of optimizing ice production in an ice maker. The ice maker has a mold and a fan selectively operable to direct moving cold air past the mold during the ice formation process. In the preferred embodiment, the fan does not operate during the harvest portion of the cycle. A fan assembly consisting of a fan or blower, a motor, a switch in series with the motor and leads for electrically interconnecting the motor and in switch with the icemaker power supply is preferably assembled as a module removably interconnectable with the icemaker as an optional feature. The icemaker has an increased the rate of ice production due to the increased rate of convective heat transfer.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: March 5, 2002
    Assignee: Whirlpool Corporation
    Inventors: Andrew M. Oltman, Ronald W. Guess, Martin R. Busche, Keith A. Snyder, Dennis G. Schenk
  • Patent number: 6082130
    Abstract: A refrigerator having a cabinet defining a freezer compartment having an access opening and a closure member for closing the access opening. An ice maker is disposed within the freezer compartment for forming ice pieces and an ice storage bin is removably mounted to the closure member below the ice maker for receiving ice from the ice maker. The ice storage bin has an upper portion which is transparent and has a bottom opening. An ice discharge chute extends through the closure member below the bottom opening of the ice storage bin. A motor is mounted on the closure member. An auger is vertically disposed within the ice storage bin and is drivingly connected to the motor. Upon energization of the motor, the auger moves ice pieces from the ice storage bin through the bottom opening to the ice discharge chute for dispensing ice pieces from the ice storage bin.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: July 4, 2000
    Assignee: Whirlpool Corporation
    Inventors: Jim J. Pastryk, Mark H. Nelson, Verne H. Myers, Daryl L. Harmon, Andrew M. Oltman, Gregory G. Hortin, Devinder Singh
  • Patent number: 6050097
    Abstract: A refrigerator having a cabinet which defines a freezer compartment having an access opening and a closure member for closing the access opening. An ice maker is disposed within the freezer compartment for forming ice pieces. An ice storage bin is mounted to the closure member below the ice maker for receiving ice from the ice maker. An ice level sensing finger extends from the ice maker into the ice storage bin for sensing the level of ice within the storage bin. A lever is pivotably connected to the ice maker and biased toward the closure member for lifting the ice level sensing finger out of the ice storage bin when the closure member is opened. The lever further operates to prevent the dispensing of ice pieces when the closure member is open.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: April 18, 2000
    Assignee: Whirlpool Corporation
    Inventors: Mark H. Nelson, Jim J. Pastryk, Verne H. Myers, Daryl L. Harmon, Andrew M. Oltman, Gregory G. Hortin, James R. Peterson, Victor W Cuthbert, Steven E. Tolliver