Patents by Inventor Peter W. Trachtenberg

Peter W. Trachtenberg 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: 4823554
    Abstract: A novel portable thermoelectric cooling and heating food appliance adapted for use in a vehicle by travelers, hunters, and campers. A base unit is provided which can be connected to the cigarette lighter receptacle of the vehicle and with the use of thermoelectric Peltier elements offer through a selective cool or heat control circuit the cooling or heating required of any of several kinds of appliances that can be detachably attached to the base unit and adapted through cool and heat conducting transfer plates to cool or heat the appliance and the foods or liquids therein and upon removal of the appliance from the base unit the bottom of the appliance is closed by a slide cover to cover the bottom conducting plate of the appliance so the food or liquids will be kept in the cool or heat condition.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: April 25, 1989
    Inventors: Leonard Trachtenberg, Peter W. Trachtenberg
  • Patent number: 4759190
    Abstract: A novel portable thermoelectric cooling and heating food appliance adapted for use in a vehicle by travelers, hunters, and campers. A base unit is provided which can be connected to the cigarette lighter receptacle of the vehicle and with the use of thermoelectric Peltier elements offer through a selective cool or heat control circuit the cooling or heating required of any of several kinds of appliances that can be detachably attached to the base unit and adapted through cool and heat conducting transfer plates to cool or heat the appliance and the foods or liquids therein and upon removal of the appliance from the base unit the bottom of the appliance is closed by a slide cover to cover the bottom conducting plate of the appliance so the food or liquids will be kept in the cool or heat condition.
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: July 26, 1988
    Inventors: Leonard Trachtenberg, Peter W. Trachtenberg