Patents Assigned to Rickmans Limited
  • Roof construction
    Patent number: 6223481
    Abstract: The invention relates to a roof construction, assembled from aluminium alloy extrusions and sections which may be cut on site to the appropriate dimensions. There is a ring beam, made from a channel and a ridge member in the form of a central extruded aluminium alloy central box member, the channel and member being essentially of the same section. Thus a relatively small number of different extrusions are required.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: May 1, 2001
    Assignee: Rickmans Limited
    Inventor: Paul Douglas Rickman
  • Conservatory roof construction
    Patent number: 6112493
    Abstract: A conservatory roof construction with a ridge member, glazing bars or rafters and two hip bars. Each hip bar has a track extending therealong. A connector plate connects to the track and is both slidable along the length thereof and is hingable with respect to a respective hip, glazing bars (or track rafters) which connect with the hip bars being configured to permit the connection of the connector plate thereto.
    Type: Grant
    Filed: March 16, 1999
    Date of Patent: September 5, 2000
    Assignee: Rickmans Limited
    Inventor: Paul Douglas Rickman