Patents by Inventor Ravi Fulchand Pahade

Ravi Fulchand Pahade 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: 6044902
    Abstract: A heat exchanger having a first counterflow heat exchange unit with first and second segments wherein a flow of at least one product from a cryogenic air separation unit is channeled in a first direction along both the first and second segments and a second counterflow heat exchange unit is juxtaposed to the second segment of the first counterflow heat exchange unit and receives a flow of feed air which is channeled in a second direction that is counter to the first direction and allows heat exchange between the product and the air. A crossflow subcooling unit is juxtaposed to the first segment and receives at least one process cryogenic liquid from the air separation system for subcooling.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: April 4, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Ravi Fulchand Pahade, Bayram Arman, Michael James Lockett