Patents by Inventor Alberto Lualdi

Alberto Lualdi 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).

  • Publication number: 20050204635
    Abstract: Frame for doors (1; 101; 201) having one or more hinged leaves (4; 204), of the type comprising at least two jambs (5a, 5b; 205a, 205b) that define a lying plane for said one or more leaves when these are in their closed position, and means (7a, 7b; 107a, 107b, 111a, 111b, 112a, 112b; 207a, 207b, 211a, 211b, 212a, 212b) for wall fixing said at least two jambs on opposite sides with respect to an access opening (2), produced in the wall (3a, 3b) of a building, or other dwelling space. The jambs and relative fixing means are structured to maintain the aforesaid lying plane parallel on the outside of an entry/exit section of the access opening.
    Type: Application
    Filed: July 30, 2004
    Publication date: September 22, 2005
    Applicant: LUALDI S.p.A.
    Inventor: Alberto Lualdi
  • Patent number: D513328
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: December 27, 2005
    Assignee: Lualdi S.p.A.
    Inventor: Alberto Lualdi
  • Patent number: D520644
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: May 9, 2006
    Assignee: Lualdi S.p.A.
    Inventor: Alberto Lualdi