Patents by Inventor Marcel Leisi

Marcel Leisi 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).

  • Reversible spray head
    Patent number: 6918546
    Abstract: Reversible spray head, including a reversible element or key (5) placed in a central body and through which is a channel (9) with a spray insert (10, 11) on each end; rotating the element or key 180° allows changing from one spray hole to the other.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: July 19, 2005
    Assignee: Exit SA
    Inventor: Marcel Leisi
  • Spray head
    Patent number: 6863229
    Abstract: Spray head 1 especially for a high-pressure spray gun, comprising a rotary element 3, which is placed in a central body 2 and through which passes a spray nozzle 37, and a seal 4 ensuring leak-tightness between the rotary element 3 and the gun, the rotary element 3 having a circular central part 31 comprising the nozzle 37 and introduced into a lateral aperture 21 of the central body 2, the circular central part 31 being brought, by means of an upward translational movement of the central body 2, into a working position against an inner abutment located at the top of the central body 2, the nozzle 37 placed in the circular part 31 of the rotary element 3 being in the working position above the top of the central body 2.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: March 8, 2005
    Inventor: Marcel Leisi
  • Reversible spray head
    Publication number: 20040195354
    Abstract: Reversible spray head, including a reversible element or key (5) placed in a central body and through which is a channel (9) with a spray insert (10, 11) on each end; rotating the element or key 180° allows changing from one spray hole to the other.
    Type: Application
    Filed: January 15, 2004
    Publication date: October 7, 2004
    Applicant: Exit SA
    Inventor: Marcel Leisi
  • Spray head
    Patent number: 6719212
    Abstract: The invention concerns a spray head for high pressure spray gun comprising a rotary element located in a central body and traversed by a channel with a spray orifice and a sealing joint between the rotary element and the gun, the rotary element having in its central part a spherical shape cooperating with the joint located inside the central body and two circular seats located on either side of the spherical part supported by the seats located on either side of the body.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: April 13, 2004
    Inventor: Marcel Leisi
  • Spray nozzle, particularly adapted for spray guns
    Patent number: 4635850
    Abstract: The nozzle of the invention comprises a rotary element placed within a central body and traversed by a channel having a spray orifice, a safety tip placed on the front of the nozzle and an adapter placed between the central body and the diffuser of the spray gun. The seal between the nozzle and the diffuser is provided by a joint, the front part of which has ribs introduced into corresponding grooves in the rotary element to assure appropriate positioning.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: January 13, 1987
    Assignee: Exit S.A.
    Inventor: Marcel Leisi