Patents Assigned to Onda Engineering System S.r.l.
  • Patent number: 7121299
    Abstract: The valve includes an intake duct (13) for conveying water into the valve, an externally projecting tubular body (20) of a transparent with an internal cavity (21) and a flow indicator rod (40), slidable inside the valve, with a lower portion in the intake duct (13) and an upper indicator portion in the internal cavity (21) of the transparent body (20). The upper, indicator portion has a first upper area (46) able to indicate no water is flowing and a second, lower area (47) able to indicate that water is flowing through the intake duct (13).
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: October 17, 2006
    Assignee: Onda Engineering System S.r.l.
    Inventor: Carlo Lumello
  • Patent number: 6907905
    Abstract: The manifold includes a sleeve element (10) extending longitudinally about an axis (x), formed in one piece of plastics material and having a plurality of pairs of apertures (11, 12) distributed along the manifold. The apertures of each pair are aligned transversely with each other for engaging and locking on the manifold respective pairs of tubular metal elements (20, 30) connectable mechanically the one to the other (16) and to a branch (T) of the heating system.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: June 21, 2005
    Assignee: Onda Engineering System S.r.l.
    Inventor: Carlo Lumello