Patents by Inventor Adrian John Derrick

Adrian John Derrick 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).

  • Monitoring of undesirable fluid ingress into subsea control modules
    Patent number: 8711002
    Abstract: A subsea control module has a casing inside which there is at least one pair of electrodes, there being electronic means connected with the electrodes of the or each pair for monitoring at least one electrical characteristic between the electrodes as a result of a fluid to which the electrodes are exposed. This can include, for example, a change due to an ingress of seawater and/or an ingress of hydraulic fluid into the interior of the casing. The or each pair of electrodes include an array in which each electrode of the pair has finger portions interleaved with finger portions of the other electrode.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: April 29, 2014
    Assignee: Vetco Gray Controls Limited
    Inventors: Julian R. Davis, Simon David Gill, Adrian John Derrick
  • Monitoring of undesirable fluid ingress into subsea control modules
    Patent number: 8427336
    Abstract: A subsea control module has a casing (1) inside which there is at least one pair of electrodes, there being electronic means (26-33) connected with the electrodes of the or each pair for monitoring at least one electrical characteristic between the electrodes as a result of a fluid to which the electrodes are exposed, the or each pair of electrodes comprising an array (19) in which each electrode of the pair has finger portions interleaved with finger portions of the other electrode.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: April 23, 2013
    Assignee: Vetco Gray Controls Limited
    Inventors: Julian R. Davis, Simon David Gill, Adrian John Derrick
  • Monitoring of Undesirable Fluid Ingress into Subsea Control Modules
    Publication number: 20110018733
    Abstract: A subsea control module has a casing (1) inside which there is at least one pair of electrodes, there being electronic means (26-33) connected with the electrodes of the or each pair for monitoring at least one electrical characteristic between the electrodes as a result of a fluid to which the electrodes are exposed, the or each pair of electrodes comprising an array (19) in which each electrode of the pair has finger portions interleaved with finger portions of the other electrode.
    Type: Application
    Filed: June 16, 2010
    Publication date: January 27, 2011
    Inventors: Julian R. Davis, Simon David Gill, Adrian John Derrick