Patents by Inventor Albert Bortoli

Albert Bortoli 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).

  • Barrel shaft for a clock movement, barrel spring, and barrel including such a spring and/or such a shaft
    Patent number: 10401796
    Abstract: The invention relates to a barrel spring (2) including: an inner end (5) and an outer end; a first portion (50) having a first height (H); a second portion (52) having a second height (h) that is smaller than the first height (H) and being located near the inner end (5); and, at the second portion, e.g. at the inner end, a first attachment element (51) suitable for being attached to the barrel shaft, wherein the second portion is to be inserted into a circumferentially extending groove provided on the barrel shaft.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: September 3, 2019
    Assignee: ROLEX SA
    Inventors: Jean-Louis Bertrand, Albert Bortoli, Thomas Gyger, Vincent Von Niederhäusern
  • BARREL SHAFT FOR A CLOCK MOVEMENT, BARREL SPRING, AND BARREL INCLUDING SUCH A SPRING AND/OR SUCH A SHAFT
    Publication number: 20160349703
    Abstract: The invention relates to a barrel spring (2) including: an inner end (5) and an outer end; a first portion (50) having a first height (H); a second portion (52) having a second height (h) that is smaller than the first height (H) and being located near the inner end (5); and, at the second portion, e.g. at the inner end, a first attachment element (51) suitable for being attached to the barrel shaft, wherein the second portion is to be inserted into a circumferentially extending groove provided on the barrel shaft.
    Type: Application
    Filed: August 8, 2016
    Publication date: December 1, 2016
    Applicant: ROLEX SA
    Inventors: Jean-Louis Bertrand, Albert Bortoli, Thomas Gyger, Vincent Von Niederhäusern
  • Barrel shaft for a clock movement, barrel spring and barrel including such a spring and/or such a shaft
    Patent number: 9448533
    Abstract: The invention relates to a barrel spring (2) including: an inner end (5) and an outer end; a first portion (50) having a first height (H); a second portion (52) having a second height (h) that is smaller than the first height (H) and being located near the inner end (5); and, at the second portion, e.g. at the inner end, a first attachment element (51) suitable for being attached to the barrel shaft, wherein the second portion is to be inserted into a circumferentially extending groove provided on the barrel shaft.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: September 20, 2016
    Assignee: ROLEX SA
    Inventors: Jean-Louis Bertrand, Albert Bortoli, Thomas Gyger, Vincent Von Niederhäusern
  • BARREL SHAFT FOR A CLOCK MOVEMENT, BARREL SPRING AND BARREL INCLUDING SUCH A SPRING AND/OR SUCH A SHAFT
    Publication number: 20150092523
    Abstract: The invention relates to a barrel spring (2) including: an inner end (5) and an outer end; a first portion (50) having a first height (H); a second portion (52) having a second height (h) that is smaller than the first height (H) and being located near the inner end (5); and, at the second portion, e.g. at the inner end, a first attachment element (51) suitable for being attached to the barrel shaft, wherein the second portion is to be inserted into a circumferentially extending groove provided on the barrel shaft.
    Type: Application
    Filed: April 4, 2013
    Publication date: April 2, 2015
    Inventors: Jean-Louis Bertrand, Albert Bortoli, Thomas Gyger, Vincent Von Niederhäusern