Patents by Inventor Jose Joaquim ROCHA FERREIRA

Jose Joaquim ROCHA FERREIRA 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: 11957539
    Abstract: A dental prosthesis system, for the use with at least two dental implants, wherein the dental prosthesis is divided in a first prosthetic part and a second prosthetic part, jointed by a prosthetic screw, and wherein the first prosthetic part is connected to the dental implants through at least two connectors, and such dental prosthesis has an engaging and guidance system, including two female elements, disposed on the top of the first prosthetic part, and two corresponding male elements, disposed on the bottom of the second prosthetic part, whereby the connection between the two female elements and the two male elements is releasable.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 16, 2024
    Assignee: UNIVERSIDADE DO PORTO
    Inventor: Jose Joaquim Rocha Ferreira
  • Publication number: 20210338386
    Abstract: A dental prosthesis system, for the use with at least two dental implants, wherein the dental prosthesis is divided in a first prosthetic part and a second prosthetic part, jointed by a prosthetic screw, and wherein the first prosthetic part is connected to the dental implants through at least two connectors, and such dental prosthesis has an engaging and guidance system, including two female elements, disposed on the top of the first prosthetic part, and two corresponding male elements, disposed on the bottom of the second prosthetic part, whereby the connection between the two female elements and the two male elements is releasable. The problems solved in the prior art are related to a bending moment derived from masticatory forces. The solution comprises installing a mechanical weakness in the prosthesis to protect the bone tissue.
    Type: Application
    Filed: August 27, 2019
    Publication date: November 4, 2021
    Inventor: Jose Joaquim ROCHA FERREIRA