Patents by Inventor Jairo Antunes De Oliveira

Jairo Antunes De Oliveira 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).

  • COMPENSATING AND SEALING RINGS FOR PISTONS OF ENGINES, COMPRESSORS, EXHAUSTERS AND PUMPS
    Publication number: 20130119614
    Abstract: COMPENSATIVE AND SEALING RINGS FOR PISTONS OF ENGINES, COMPRESSORS, EXHAUSTERS AND PUMPS, invention patent for piston rings according to the title, being the compensative subdivided in models AC1 (picture 1), AC2 (picture 6), AC3 (picture 12) and AC4 (picture 15), characterized by indents and saliencies or bosses that fit on their ends (pictures 1 and 6) and overlays (composed rings as seen in pictures 1, 6, 12 and 15), and the Sealing Rings subdivided in models AVCE1 (picture 20), AVCE2 (picture 27), AVCE3 (picture 33), AVCE4 (picture 40), AVCE5 (picture 45) and AVCE6 (picture 53), characterized by fitting in built-in grooves unified to the conventional, thus sealing the oil and gases escape. They are endowed with self-propulsive force or are impelled or driven by the propelling spring ring.
    Type: Application
    Filed: May 8, 2012
    Publication date: May 16, 2013
    Inventor: Jairo Antunes De Oliveira