Patents by Inventor Christopher Stratton

Christopher Stratton 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).

  • Humidifier systems
    Patent number: 5769071
    Abstract: A medical humidifier system for supplying humdified gas to a patient has a heat and moisture exchange device supplied with water from a pump, which is heated by a heater. A tracheal tube is connected to receive the humidified gas via tubing and a connector. The connector is mated with the machine end of the tracheal tube and includes a humidity sensor the output of which is connected to control humidification by controlling the speed of the pump and/or the temperature of the heater.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: June 23, 1998
    Assignee: Smiths Industries PLC
    Inventor: Christopher Stratton Turnbull
  • Compressible filter element peripherally sealed by a settable material
    Patent number: 5723047
    Abstract: A filter has a series of porous, compressible filter elements sealed at their outer edge by a collar of silicone rubber that is flowed into the filter elements. The collar seals with an annular recess around the inside of a filter housing so that flow through the housing is confined to the filter elements without any compression of them.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: March 3, 1998
    Assignee: Smiths Industries Public Limited Co.
    Inventor: Christopher Stratton Turnbull
  • Heat and moisture exchangers
    Patent number: 5647344
    Abstract: An HME has an exchange element comprising a bundle of hollow fibers parallel to the direction of gas flow through the HME. The fibers are of a polymeric material, such as a sulphone, and are treated with a hygroscopic material. The bundle of fibers is held together by an outer sleeve and a porous cap at each end.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: July 15, 1997
    Assignee: Smiths Industries PLC
    Inventor: Christopher Stratton Turnbull