Patents by Inventor Simon Antunez

Simon Antunez 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: 4976591
    Abstract: A multi-stage compressor having variable volume compression ratios and automatic lubricating features. The multi-stage compressor comprises first and second pistons which are mounted for reciprocal movement in first and second cylinders so as to define a plurality of compression chambers. The pistons are rigidly connected by a connecting rod so as to define between the lubricating pumping chamber for lubricating the piston seals of the multi-stage compressor.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: December 11, 1990
    Assignee: Intevep, S.A.
    Inventors: Olegario Rivas, Alejandro Newski, Simon Antunez