Patents by Inventor Florent Strahm

Florent Strahm 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: 10126712
    Abstract: The present invention concerns an assembly for holding or supporting a timepiece balance spring, comprising a balance spring stud and a balance cock on which is fixed a balance spring stud-holder, wherein said stud-holder comprises a holding means provided with a housing for housing the balance spring stud therein and a gripping means, at least said gripping means being movable with respect to the holding means in order to lock the balance spring stud inside its housing.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: November 13, 2018
    Assignee: ETA SA Manufacture Horlogère Suisse
    Inventors: Florent Strahm, Ivan Villar, Laurent Kaelin, Thierry Conus
  • Patent number: 9971311
    Abstract: A timepiece power source is provided, including a barrel containing a mainspring mounted between a drum and an arbor rotating integrally with a ratchet wheel, including a differential gear coaxial to the barrel, with a first input driven by the ratchet wheel, a second input which is the drum, and a pivoting output wheel, coaxial to the arbor, arranged to form or to drive a power reserve indicator, the differential gear including balls driving the output wheel, cooperating with an upper surface of the drum, and with a lower surface, which is opposite thereto, of a differential plate forming the first input, pivoting coaxially on the arbor and connected to the ratchet wheel by a friction means cooperating with a plate, and the ratchet wheel forms the cover of the barrel.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: May 15, 2018
    Assignee: ETA SA Manufacture Horlogère Suisse
    Inventors: Matthaus Friedli, Florent Strahm
  • Patent number: 9862129
    Abstract: A method for making an oscillating weight for an automatic winding mechanism of a self-winding watch including a central part made from a first composite material and a heavy sector made from a second composite material charged with heavy metal particles, the method including: forming the central part with a lateral rib and a rebate by injecting the first composite material into a mold; overmolding the heavy sector onto the central part by injecting the second composite material into a mold containing the central part, so that the second composite material fills the rebate and a gap underneath the lateral rib, so that the lateral rib is embedded in the second composite material and the central part and the heavy sector are interlocked.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: January 9, 2018
    Assignee: ETA SA Manufacture Horlogere Suisse
    Inventors: Florent Strahm, Laurent Kaelin, Xavier Tinguely, Giuseppe Cappadona
  • Publication number: 20170168455
    Abstract: The present invention concerns an assembly for holding or supporting a timepiece balance spring, comprising a balance spring stud and a balance cock on which is fixed a balance spring stud-holder, wherein said stud-holder comprises a holding means provided with a housing for housing the balance spring stud therein and a gripping means, at least said gripping means being movable with respect to the holding means in order to lock the balance spring stud inside its housing.
    Type: Application
    Filed: November 18, 2016
    Publication date: June 15, 2017
    Applicant: ETA SA Manufacture Horlogere Suisse
    Inventors: Florent STRAHM, Ivan VILLAR, Laurent KAELIN, Thierry CONUS
  • Publication number: 20160349709
    Abstract: A timepiece power source is provided, including a barrel containing a mainspring mounted between a drum and an arbor rotating integrally with a ratchet wheel, including a differential gear coaxial to the barrel, with a first input driven by the ratchet wheel, a second input which is the drum, and a pivoting output wheel, coaxial to the arbor, arranged to form or to drive a power reserve indicator, the differential gear including balls driving the output wheel, cooperating with an upper surface of the drum, and with a lower surface, which is opposite thereto, of a differential plate forming the first input, pivoting coaxially on the arbor and connected to the ratchet wheel by a friction means cooperating with a plate, and the ratchet wheel forms the cover of the barrel.
    Type: Application
    Filed: April 28, 2016
    Publication date: December 1, 2016
    Applicant: ETA SA Manufacture Horlogere Suisse
    Inventors: Matthaus FRIEDLI, Florent STRAHM
  • Publication number: 20160059452
    Abstract: A method for making an oscillating weight for an automatic winding mechanism of a self-winding watch including a central part made from a first composite material and a heavy sector made from a second composite material charged with heavy metal particles, the method including: forming the central part with a lateral rib and a rebate by injecting the first composite material into a mold; overmolding the heavy sector onto the central part by injecting the second composite material into a mold containing the central part, so that the second composite material fills the rebate and a gap underneath the lateral rib, so that the lateral rib is embedded in the second composite material and the central part and the heavy sector are interlocked.
    Type: Application
    Filed: March 25, 2014
    Publication date: March 3, 2016
    Applicant: ETA SA MANUFACTURE HORLOGÈRE SUISSE
    Inventors: Florent STRAHM, Laurent KAELIN, Xavier TINGUELY, Giuseppe CAPPADONA
  • Publication number: 20140376337
    Abstract: Timepiece assembly (30) including at least two opposing wheel sets (20), coupled to each other and cooperating by contact with each other on peripheral contact surfaces (200). Each peripheral contact surface (200) of each coupled wheel set (20) in this assembly (30) is the peripheral surface of a skin (210) of plastic material.
    Type: Application
    Filed: November 27, 2012
    Publication date: December 25, 2014
    Applicant: ETA SA MANUFACTURE HORLOGERE SUISSE
    Inventors: Ivan Villar, Xavier Tinguely, Florent Strahm