Patents Assigned to ORC Technology Pty Ltd
  • Publication number: 20130305441
    Abstract: A sewer vent 1 including structure 3 defining a flow path along which air entering the sewer travels upwardly past a valve element 4. The valve element is configured to sink in air to form a seal to prevent gas escaping from the sewer, and float in water to form a seal to prevent water entering the sewer.
    Type: Application
    Filed: August 17, 2012
    Publication date: November 21, 2013
    Applicant: ORC Technology Pty Ltd
    Inventors: Greg WILLIAMSON, Bernie SIZER