Patents by Inventor Raimundo Raumiro Maia Da Silva

Raimundo Raumiro Maia Da Silva 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).

  • Spring-biased floor-mounted door hinge
    Patent number: 8813313
    Abstract: A constructive arrangement in elastomeric spring for closing doors which comprises a hollow tube having one end provided with a base and the inner area the provision of an elastomeric spring disposed juxtaposed to said base having a tracking member positioned on the elastomeric spring which receives the tracking member on the opposite face whose free end presents edge provided with female fitting which allows the positioning of a cam with male fitting pressed by a pin fixed to the tube through a bushing and having inner cap with fixing holes and protective cap.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: August 26, 2014
    Inventors: Francisco Alan Freitas Marinho, Raimundo Raumiro Maia Da Silva, Maria Do Socorro Gomes de Araujo
  • SPRING-BIASED FLOOR-MOUNTED DOOR HINGE
    Publication number: 20140059804
    Abstract: A constructive arrangement in elastomeric spring for closing doors which comprises a hollow tube having one end provided with a base and the inner area the provision of an elastomeric spring disposed juxtaposed to said base having a tracking member positioned on the elastomeric spring which receives the tracking member on the opposite face whose free end presents edge provided with female fitting which allows the positioning of a cam with male fitting pressed by a pin fixed to the tube through a bushing and having inner cap with fixing holes and protective cap.
    Type: Application
    Filed: November 8, 2013
    Publication date: March 6, 2014
    Inventors: Francisco Alan Freitas Marinho, Raimundo Raumiro Maia Da Silva, Maria Do Socorro Gomes de Araujo