Patents by Inventor Mathilda Larsson

Mathilda Larsson 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).

  • Inspection of drinking straw
    Patent number: 12436110
    Abstract: Method and arrangements for inspection of a drinking straw (101; 201) involving use of the drinking straw (101; 201) as a light guide for inspection of a sidewall (102; 202) of the drinking straw (101; 201) based on light leakage of guided light out from the drinking straw (101; 201) via the sidewall (102), such a through a damage (204) in the sidewall (102). It is illuminated (601), by means of one or more light sources (123), a first portion (131) of the drinking straw (101; 201) so that at least some of the light (127) on the first portion (131) is transmitted through a sidewall (102; 202) of the drinking straw (101; 201) into the drinking straw (101), and is guided therein. It is provided (602) one or more digital images (241) imaging another, second, portion (133; 233) of the drinking straw (101; 201) during said illumination.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: October 7, 2025
    Assignee: Sick IVP AB
    Inventors: Anders Murhed, Mathilda Larsson, Nils Högberg
  • INSPECTION OF DRINKING STRAW
    Publication number: 20230228693
    Abstract: Method and arrangements for inspection of a drinking straw (101; 201) involving use of the drinking straw (101; 201) as a light guide for inspection of a sidewall (102; 202) of the drinking straw (101; 201) based on light leakage of guided light out from the drinking straw (101; 201) via the sidewall (102), such a through a damage (204) in the sidewall (102). It is illuminated (601), by means of one or more light sources (123), a first portion (131) of the drinking straw (101; 201) so that at least some of the light (127) on the first portion (131) is transmitted through a sidewall (102; 202) of the drinking straw (101; 201) into the drinking straw (101), and is guided therein. It is provided (602) one or more digital images (241) imaging another, second, portion (133; 233) of the drinking straw (101; 201) during said illumination.
    Type: Application
    Filed: December 15, 2022
    Publication date: July 20, 2023
    Applicant: Sick IVP AB
    Inventors: Anders Murhed, Mathilda Larsson, Nils Högberg