Patents by Inventor Raymond Michael deVial

Raymond Michael deVial 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: 4057721
    Abstract: An oil-contaminated water stream is monitored by continuously exciting and measuring fluorescence in the stream at a monitoring point and producing a continuous monitoring indication accordingly, recurrently withdrawing from the stream samples of the contaminated water, determining the oil content of each sample by an infra-red absorption procedure, comparing each oil determination with the monitoring indication pertaining to the appropriate part of the stream and correcting or recalibrating the monitoring indication accordingly.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: November 8, 1977
    Assignee: Bailey Meter & Controls Limited
    Inventors: Raymond Michael deVial, Philip Maurice Taylor
  • Patent number: 3990815
    Abstract: A flow control apparatus whereby an incompressible fluid may be supplied at a controlled rate. The apparatus includes a pair of chambers and a cylinder and piston in communication with one of said chambers and an incompressible fluid fitting that chamber. The piston has a motor connected thereto for moving same in the cylinder and a follower is associated with said motor so as to rotate at a speed that is proportional to that of the motor.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: November 9, 1976
    Assignee: Bailey Meters & Controls Limited
    Inventor: Raymond Michael DeVial
  • Patent number: 3965920
    Abstract: An apparatus for detecting the presence in a liquid of material that emits fluorescent radiation when stimulated by ultraviolet radiation. A chamber having an inlet and an outlet for passing a stream of liquid therethrough. A source of ultraviolet radiation associated with said chamber with means for energizing same whereby said radiation may pass to said stream and a receiver arranged to receive fluorescent radiation emitted by such a stream.
    Type: Grant
    Filed: October 3, 1974
    Date of Patent: June 29, 1976
    Assignee: Bailey Meters & Controls Ltd.
    Inventor: Raymond Michael deVial