Patents by Inventor Michael A. Butkus

Michael A. Butkus 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: 8584480
    Abstract: A water harvesting apparatus includes a condenser system and an absorption refrigerator connected to the condenser system. The condenser system has a condenser for condensing water from ambient air. The absorption refrigerator cools the condenser, and derives its heat from waste heat. A method of harvesting water from the air includes the steps of introducing ambient air to a condenser system which has a condenser for condensing water from air, supplying waste heat to an absorption refrigerator to cool a refrigerant, transferring the cooled refrigerant to the condenser to the cool the condenser, and condensing water from ambient air.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: November 19, 2013
    Assignee: The United States of America, as Represented by the Secretary of the Army
    Inventor: Michael A. Butkus
  • Patent number: 6982039
    Abstract: A method of disinfecting water is provided including treating water by irradiating the water with ultraviolet light and introducing silver ions to the water. The water may be treated by either initially irradiating the water with ultraviolet light followed by introducing silver ions to the water or by introducing silver ions to the water and thereafter exposing the silver ion-containing water to ultraviolet light.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: January 3, 2006
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Michael A. Butkus, Jeffrey A. Starke, Michael P. Labare, Michael B. Kelley