Patents by Inventor Philip Rolchigo

Philip Rolchigo 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).

  • Membranes and methods useful for caustic applications
    Publication number: 20070039885
    Abstract: The invention provides methods for purifying caustic feed streams using membranes that comprise polysulfonamide matrices.
    Type: Application
    Filed: July 28, 2006
    Publication date: February 22, 2007
    Inventors: Christopher Kurth, Isaac Iverson, Philip Rolchigo, Steven Kloos, Leonard Hodgins
  • Residential reverse osmosis system
    Publication number: 20060138031
    Abstract: A tankless reverse osmosis system which is capable of producing a permeate flow rate of at least 500 GPD when operating under home reverse osmosis conditions.
    Type: Application
    Filed: August 12, 2003
    Publication date: June 29, 2006
    Inventors: Steven Kloos, Philip Rolchigo, Christopher Kurth, Chia Kung, Thomas Cartwright, Richard Reckin, Kenneth Sieth
  • Membrane devices and device components
    Publication number: 20050173333
    Abstract: A membrane device including a first membrane sheet and a second membrane sheet comprised of either two separate sheets or one sheet folded upon itself separated by a permeate carrier. The membrane device utilizes permeate carrier materials that have a lower resistance to flow and therefore provide improved flux and reduced salt passage.
    Type: Application
    Filed: June 4, 2003
    Publication date: August 11, 2005
    Inventors: Steven Kloos, Philip Rolchigo, Chia Kung