Patents by Inventor Jose Rui Souto Machado

Jose Rui Souto Machado 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).

  • Method and apparatus for removing trace quantities of impurities from liquified bulk gases
    Patent number: 5737941
    Abstract: Method and apparatus for removing trace levels of impurities from gases stored cryogenically in a storage vessel in liquid form by passing a vaporized portion of liquified gas from the storage vessel through a bed of adsorbent while using the liquified gas to cool the adsorbent. Vaporized gas resulting from cooling of the adsorbent with the stored liquified gas can be combined with the vapor withdrawn from the storage vessel prior to being passed through the bed of adsorbent. Liquified gas can be withdrawn from the storage vessel, vaporized and the vaporized gas combined with the vaporized gas from the storage vessel prior to being passed through the bed of adsorbent.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: April 14, 1998
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Thomas Hsiao-Ling Hsiung, Jose Rui Souto Machado, Alexander Schwarz