Patents by Inventor Richard Blair Crooks

Richard Blair Crooks 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: 6854220
    Abstract: Retaining wall blocks and the walls made from such blocks are disclosed, wherein curved landscapes (i.e. curved profiles and sloping embankments) are easily accommodated without the use of mortar. As well, a modular system of blocks and their manufacture are disclosed wherein some blocks are used in vertical orientations and some in horizontal orientations.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: February 15, 2005
    Assignee: Pacific Precast Products Ltd.
    Inventors: Vernon John Dueck, Richard Blair Crooks
  • Publication number: 20030140585
    Abstract: Retaining wall blocks and the walls made from such blocks are disclosed, wherein curved landscapes (i.e. curved profiles and sloping embankments) are easily accommodated without the use of mortar. As well, a modular system of blocks and their manufacture are disclosed wherein some blocks are used in vertical orientations and some in horizontal orientations.
    Type: Application
    Filed: December 9, 2002
    Publication date: July 31, 2003
    Inventors: Vernon John Dueck, Richard Blair Crooks
  • Patent number: 6490837
    Abstract: There is provided a block (100) comprising a front wall (110); a rear wall (130); first side wall (115); second side wall (120) opposed to said first side wall (115); an upper block planar surface (140); a lower block planar surface (141); wherein said first side wall (115) and said second side wall (120) extend from said front wall (110) to said rear wall (130) to define a central through core (150) extending through the block (100) from said upper block surface (140) to said lower block surface (141), said core (150) having a front upper rim and a first front corner at the plane of said upper block surface, proximate intersection of said first side wall and said front wall; a first lug which extends downwardly from said lower block surface adjacent said first side wall, and has (i) a flat side portion flush with said first side wall and (ii) a front portion which joint said first lug side surface at an angle of 90° or less.
    Type: Grant
    Filed: August 17, 2000
    Date of Patent: December 10, 2002
    Assignee: Pacific Precast Products Ltd.
    Inventors: Vernon John Dueck, Richard Blair Crooks