Patents by Inventor Roderick G. Robbie

Roderick G. Robbie 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: 5351449
    Abstract: A repositionable roof, for a stadium building, comprising at least two opposed ungular segments in abutting relationship, the segments being mounted each on an arcuate track and movable thereon for separation of the segments to expose the interior of the building thereby selectively providing an open air stadium.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: October 4, 1994
    Assignee: 878953 Ontario Inc. and Rodarun Investments, Ltd.
    Inventors: Christopher M. Allen, Roderick G. Robbie
  • Patent number: 5167097
    Abstract: A retractable roof for a stadium, comprising a central arch separating a pair of end segments, one end segment being fixed, the central arch being movable to a position above the fixed end segment, the other end segment being movable arcuately laterally to a position transverse to its closed position and laterally external to the central arch.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: December 1, 1992
    Inventors: Roderick G. Robbie, Christopher M. Allen
  • Patent number: 4920707
    Abstract: To form an audience chamber in a roofed stadium, at least one truss suspendable from the stadium roof and a canopy removably connectable to the truss. The canopy comprises a plurality of parallel, contiguous elongated panels of flexible material. A close-off curtain is suspendable from the canopy when only a portion of the stadium is to be used as the audience chamber.
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: May 1, 1990
    Inventors: Wiktor Moskaliuk, Christopher M. Allen, Roderick G. Robbie
  • Patent number: 4716691
    Abstract: A retractable roof, for a stadium building, comprising a central arch separating a pair of ungular end segments, one end segment being movable into nesting relationship with the other end segment and the central arch being movable to rest above the nesting end segments, the nesting end segments and the above resting central arch being movable laterally whereby the interior of the stadium is more fully exposed.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: January 5, 1988
    Inventors: Christopher M. Allen, Roderick G. Robbie
  • Patent number: 4676033
    Abstract: A retractable roof, for a stadium building, comprising a central arch separating a pair of ungular end segments, one end segment being fixed, the other end segment being movable into nesting relationship with the fixed end segment, and the central arch being movable to nest above the fixed end segment.
    Type: Grant
    Filed: May 1, 1986
    Date of Patent: June 30, 1987
    Inventors: Christopher M. Allen, Roderick G. Robbie