Patents by Inventor Josua Roffler

Josua Roffler 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).

  • Spacer grid for parallel cylindrical tubes
    Patent number: 4160477
    Abstract: The spacer grid is formed of metal strips which are bent to have alternating long angular sides and short flat sides. The strips are secured to each other at alternating flat sides to form a series of hexagonal spaces to receive the heat exchanger tubes. In addition, pairs of spring tabs are bent out of each of the angular sides in alternating manner to effect support of the tube in a space. The angular sides form an included angle of 135.degree. with the flat sides.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: July 10, 1979
    Assignee: Sulzer Brothers, Ltd.
    Inventor: Josua Roffler
  • Vessel for conveying a liquid/gas mixture
    Patent number: 4016997
    Abstract: The vessel wall is lined with one or more sieve-like linings formed of wire mesh, expanded metal, perforated plate or the like to inhibit corrosion of the vessel wall. At least one of the linings is formed with apertures which are of a mean diameter smaller than the mean diameter of the drops in the conveyed liquid/gas mixture to cause a deceleration of the drops before impinging on the vessel wall as well as a reduction in the size of the drops.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: April 12, 1977
    Assignee: Sulzer Brothers Limited
    Inventor: Josua Roffler