Patents by Inventor Carlos Duarte da Costa Ventura

Carlos Duarte da Costa Ventura 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).

  • Staple pusher assembly and method of installing same
    Patent number: 11267117
    Abstract: A stapler includes a base, a magazine coupled to the base and configured to house staples, and a staple pusher assembly coupled with the magazine and operable to bias staples in the magazine toward a first end of the magazine where staples are driven out of the magazine. The staple pusher assembly includes a staple pusher defining a cavity, and a constant force spring having a first end coupled to the magazine and a second end that is coiled within the cavity in the staple pusher.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: March 8, 2022
    Assignee: ACCO Brands Corporation
    Inventors: Carlos Duarte da Costa Ventura, Pedro Manuel Meneses Brito Lima
  • STAPLE PUSHER ASSEMBLY AND METHOD OF INSTALLING SAME
    Publication number: 20200086468
    Abstract: A stapler includes a base, a magazine coupled to the base and configured to house staples, and a staple pusher assembly coupled with the magazine and operable to bias staples in the magazine toward a first end of the magazine where staples are driven out of the magazine. The staple pusher assembly includes a staple pusher defining a cavity, and a constant force spring having a first end coupled to the magazine and a second end that is coiled within the cavity in the staple pusher.
    Type: Application
    Filed: September 3, 2019
    Publication date: March 19, 2020
    Inventors: Carlos Duarte da Costa Ventura, Pedro Manuel Meneses Brito Lima