Patents by Inventor Christopher T. Ryan

Christopher T. Ryan 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).

  • Publication number: 20170072099
    Abstract: The present disclosure provides bioactive compositions, methods of making bioactive compositions, and methods of treating a patient using such bioactive compositions. In some forms the bioactive composition of the present disclosure comprises a collagenous biomaterial and a bioactive fraction of mammalian platelets applied to the collagenous biomaterial.
    Type: Application
    Filed: September 23, 2016
    Publication date: March 16, 2017
    Inventors: Michael C. Hiles, Christopher T. Ryan
  • Patent number: 6285291
    Abstract: A smoke detection system comprises a manifold (4) connected to a series of sampling pipes (2). A fan (6) which draws a large volume of sampling air through the sampling pipes is connected to the inlet manifold and a small proportion of that air is directed to the inlet of a smoke detector (12), the outlet of which is connected to the manifold. The configuration obtained by the connection of the outlet from the detector into the inlet manifold provides a large pressure drop across the flow path through the detector. As a result of the large pressure drop, a filter (10) for removing dust and other contaminants can be incorporated in the flow path and the filter can also incorporate a fine filtering stage to produce a secondary clear air flow which can be directed into the detector to prevent smoke particles from settling on critical components of the detector.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: September 4, 2001
    Assignee: Vision Products Pty. Ltd.
    Inventors: Ronald Knox, Christopher T. Ryan, Hugh Stevenson
  • Patent number: 6184537
    Abstract: A smoke detector (2) which operates on the scattered light principle comprises a detector chamber (4) through which a light beam (10) passes. A series of collimator discs (24, 26, 28) with apertures of progressively increasing size are associated with the light source (6) to prevent glints of light from entering the zone of the chamber at which detection occurs as a result of the presence of scattered light induced by the presence of smoke particles. A light absorber (12) at the end of the detector chamber remote from the light source uses a target surface in the form of an asymmetric cone (42) onto which the beam is directed. The design of the collimator discs and light absorber reduce the occurrence of stray light, leading to increased sensitivity.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: February 6, 2001
    Assignee: Vision Products Pty Ltd.
    Inventors: Ronald Knox, Christopher T. Ryan