Patents by Inventor Robert B. Petru

Robert B. Petru 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: 4127389
    Abstract: An exchanger reactor including a shell assembly having a tube bundle assembly mounted in and separate from the shell assembly. Inlet and outlet means are provided to the tube bundle assembly which includes a tube inlet chamber, a tube outlet chamber, tubes extending between the tube inlet and outlet chambers and an expansion means positioned between the inlet means to the tube bundle assembly and the inlet chamber for providing relative movement between the shell assembly and the tube bundle assembly. The shell assembly includes a shell inlet chamber and a shell outlet chamber.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: November 28, 1978
    Assignee: Pullman Incorporated
    Inventors: Larry G. Hackemesser, Robert B. Petru