Patents by Inventor Peter James Allen

Peter James Allen 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: 20110095752
    Abstract: A pipeline inspection vehicle comprises a main body (10) driven through a pipeline by fluid flow against resilient cups (12). Resilient fingers (20) carry a circumferential array of magnetic proximity sensors for sensing the spacing between each sensor and the metal of the pipeline wall. Wheels (18) biased into engagement with the pipeline wall provide one form of distance measurement. The vehicle has on-board data storage by way of a memory housed within a pressure vessel.
    Type: Application
    Filed: May 1, 2009
    Publication date: April 28, 2011
    Inventors: Gordon Campbell Short, William Stanley Watson, Peter James Allen, John Ferris Burd
  • Patent number: 5837049
    Abstract: A treated inorganic solid comprises particulate inorganic material the particles of which are coated with an alkylphosphonic acid or ester thereof, the alkylphosphonic acid containing 6 to 22 carbon atoms. The particulate material is usually a pigment, extender or filler which is treated by mixing with the alkylphosphonic acid or ester for example in an aqueous dispersion or during a process step such as milling. The treated inorganic solid is particularly useful for preparing polymer compositions such as masterbatches.
    Type: Grant
    Filed: October 23, 1997
    Date of Patent: November 17, 1998
    Assignee: Tioxide Group Services Limited
    Inventors: Colin Lloyd Watson, Peter James Allen