Patents by Inventor John Pickavance

John Pickavance 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).

  • Covering for an access aperture, and related assemblies
    Publication number: 20070154259
    Abstract: A covering (10), for an access aperture, comprises a pair (11, 12) of cover plates, of unequal sizes, that are positionable one adjacent the other along a line of juxtaposition (14) to define a generally rectangular covering. The line of juxtaposition (14) extends from one side (24) of the generally rectangular covering to another (26) and is spaced from the diagonal (27) of the rectangular covering that it is proximate.
    Type: Application
    Filed: December 29, 2004
    Publication date: July 5, 2007
    Inventors: Alan Pendleton, John Pickavance
  • Frame for a recess in the ground and manhole assembly
    Publication number: 20060088378
    Abstract: A frame for bounding an open end of a recess includes an upstanding, peripheral wall having protruding outwardly therefrom a flange. The frame includes, within the peripheral wall, plural seatings for a cover that is insertable into the frame. Each seating includes a seating member having secured thereto a resiliently deformable pad, part of which protrudes beyond the seating member to provide a resiliently deformable seating that is engageable by part of the cover.
    Type: Application
    Filed: July 9, 2003
    Publication date: April 27, 2006
    Applicant: Saint Gobain PAM
    Inventors: Alan Pendleton, Jean-Claude Royer, John Pickavance