Patents by Inventor Jean-Louis Milhes

Jean-Louis Milhes 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).

  • Patent number: 6426463
    Abstract: A fire-protection sleeve (1) for a pipe, cable and the like (T) has an axially extending tubular metal housing (2), which has a radially outwardly projecting connecting flange (3) at one end. An end section (6), at the one end of the housing (2), contains a heat-intumescing composition (10), formed on the inner wall of the housing (2) and surrounds the axis of an axially extending opening (9) in the tubular housing (2) for the pipe, cable and the like (T). At the end section (6) of the housing (2) having the heat-intumescing composition (10), metallic lamellas (12) are arranged, which extend radially inwardly into the opening (9) of the housing (2) for the pipe, cable or the like (T) and are flexible in the axial direction of the opening (9).
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: July 30, 2002
    Assignee: Hilti Aktiengesellschaft
    Inventors: Herbert Münzenberger, Arndt Andresen, Jean-Louis Milhes
  • Patent number: 6314692
    Abstract: A cast-in concrete (1), lead-in system (2) for ceilings and walls having a trapezoidally corrugated sheet metal formwork (7) and including a lead-in sleeve (3) for receiving one of a tubular conduit and a cable and having at least three outer, circumferentially spaced from each other, fixing points (4a, 4b, 4c) for securing the lead-in sleeve to the trapezoidally corrugated sheet metal formwork (7), and at least two stiff looking elements (5a, 5b) each having a connection element (12) for a formlocking connection with the fixing points (4a, 4b, 4c) of the lead-in sleeve and a mounting element (6) for securing the locking element (5a, 5b) to peak regions (8) of trapezoidal corrugations of the trapezoidally corrugated sheet metal framework.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: November 13, 2001
    Assignee: Hilti Aktiengesellschaft
    Inventors: Herbert Münzenberger, Arndt Andresen, Jean-Louis Milhes
  • Publication number: 20010004023
    Abstract: A fire-protection sleeve (1) for a pipe, cable and the like (T) comprises an axially extending tubular metal housing (2), which has a radially outwardly projecting connecting flange (3) at one end. An end section (6), at the one end of the housing (2), contains a heat-intumescing composition (10), formed on the inner wall of the housing (2) and surrounds the axis of an axially extending opening (9) in the tubular housing (2) for the pipe, cable and the like (T). At the end section (6) of the housing (2) having the heat-intumescing composition (10), metallic lamellas (12) are arranged, which extend radially inwardly into the opening (9) of the housing (2) for the pipe, cable or the like (T) and are flexible in the axial direction of the opening (9).
    Type: Application
    Filed: December 13, 2000
    Publication date: June 21, 2001
    Inventors: Herbert Munzenberger, Arndt Andresen, Jean-Louis Milhes
  • Patent number: 6161873
    Abstract: A masonry lead-in fixture having a housing (2; 102) including an axially extending through bore (10; 110), a radially protruding attachment flange (4; 104) provided at least at one end of the housing (2; 102), and a mass (11; 111) intumescible in case of a fire, with the mass (11, 111) limiting the bore (10; 110) at least regionwise and closing the bore (10; 110) upon being intumesced, and a substantially disc-shaped partition (12; 112) located in the housing (2; 102) and which elastically and springy extends over an entire inner diameter of the bore (10, 110) and has a predetermined breaking area which is broken through upon pipe cable or the like being pushed therethrough.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: December 19, 2000
    Assignee: Hilti Aktiengesellschaft
    Inventors: Herbert Munzenberger, Arndt Andresen, Jean-Louis Milhes