Patents by Inventor Trineu Campos

Trineu Campos 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).

  • Apparatus for checking air leaks in vehicle tire rims
    Patent number: 5018381
    Abstract: A device for the testing of air leaks in a vehicle rim or the like includes a water tank having a predetermined volume of water in the bottom thereof, a mounting and bearings for holding the rim and permitting it to be rotated, a pair of separated pressure chambers sealed by sealing rings and communicating with a manometer which has a discharge valve mounted outside the tank, and a feeder extractor carried by the mounting for manipulation of the rim into and out of the water so as to be checked for air leaks.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: May 28, 1991
    Inventor: Trineu Campos