Patents by Inventor John Edward Lancaster

John Edward Lancaster 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).

  • Roof ridge assemblies
    Patent number: 6151845
    Abstract: A ridge assembly for a conservatory roof comprises a ridge body (10) having a base (36), side walls (20) extending upwardly from the base, flanges (40) extending downwardly from the base and means (42) for receiving ridge capping support elements (150).
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: November 28, 2000
    Assignee: Ultraframe (UK) Limited
    Inventor: John Edward Lancaster
  • Glazed structures
    Patent number: 6023922
    Abstract: A lean-to conservatory construction has a sloping roof (10) mounted on a side wall, with a plastics furring piece (29) therebetween. The furring piece is formed by diagonal cutting of a rectangular section extrusion having an outer wall (30) and intersecting intermediate walls (33 and 34) forming ducts.
    Type: Grant
    Filed: July 28, 1997
    Date of Patent: February 15, 2000
    Assignee: Ultraframe PLC of Enterprise Works
    Inventor: John Edward Lancaster
  • Roof ridge assemblies
    Patent number: 6000176
    Abstract: A ridge assembly for a conservatory roof comprises a ridge body (10) having a base (36), side walls (20) extending upwardly from the base, flanges (40) extending downwardly from the base and means (42) for receiving ridge capping support elements (150).
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: December 14, 1999
    Assignee: Ultraframe (UK) Limited
    Inventor: John Edward Lancaster