Patents by Inventor Kristoffer H. Pfister

Kristoffer H. Pfister 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).

  • Active sorption thermal storage container
    Patent number: 6698233
    Abstract: A thermal storage device for maintaining the temperature of an article at a desired temperature for a length of time comprises a compartment within which the article may be positioned, an evaporator which is disposed in heat exchange relation with respect to the compartment, a receiver which is fluidly connected to the evaporator, a sorber which is fluidly connected between the evaporator and the receiver and which includes a sorbent that is capable of adsorbing a refrigerant, a desorbing device for desorbing the refrigerant from the sorbent, and a power connection device for releasably connecting an external power supply to the desorbing device. When the desorbing device is connected to the external power supply, the refrigerant is desorbed from the sorbent and communicated to the receiver.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: March 2, 2004
    Assignee: Sun Microsystems, Inc.
    Inventors: Dennis M. Pfister, Kristoffer H. Pfister
  • Active sorption thermal storage container
    Publication number: 20020189279
    Abstract: A thermal storage device for maintaining the temperature of an article at a desired temperature for a length of time comprises a compartment within which the article may be positioned, an evaporator which is disposed in heat exchange relation with respect to the compartment, a receiver which is fluidly connected to the evaporator, a sorber which is fluidly connected between the evaporator and the receiver and which includes a sorbent that is capable of adsorbing a refrigerant, a desorbing device for desorbing the refrigerant from the sorbent, and a power connection device for releasably connecting an external power supply to the desorbing device. When the desorbing device is connected to the external power supply, the refrigerant is desorbed from the sorbent and communicated to the receiver.
    Type: Application
    Filed: June 11, 2002
    Publication date: December 19, 2002
    Inventors: Dennis M. Pfister, Kristoffer H. Pfister