Patents by Inventor Alexander Rethy

Alexander Rethy 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).

  • Device for feeding tubes for heat exchangers
    Patent number: 4221534
    Abstract: Device for feeding tubes into a tube-insertion machine for heat exchangers such as steam condensers, especially, includes vertically disposed flexible belt means formed with respective holders for the tubes, the flexible belt means and the holders connecting the tubes to one another in mutually parallel disposition.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: September 9, 1980
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Alexander Rethy