Patents by Inventor Ritchey O. Newman, Jr.

Ritchey O. Newman, Jr. 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).

  • Fiber-reinforced resinous sheet
    Patent number: 4596736
    Abstract: Laminate structures are prepared having a substantially non-reinforced polymer core and outer layers comprising a resin containing randomly oriented reinforcing fibers from about 0.06 to about 2 inches in length. In addition, a process for preparing such laminates is disclosed.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: June 24, 1986
    Assignee: The Dow Chemical Company
    Inventors: Jacob Eichhorn, Ritchey O. Newman, Jr., Frederick J. Lowes, Jr.
  • Cutting apparatus
    Patent number: 4046497
    Abstract: An improved cutter for hot plastic strands is provided which uses an inwardly extruding frustoconical die and corresponding frustoncnical cutter rotating within the die. Severed particles are fluid cooled and cutter clearance is readily controlled even when a cutter has been reground for sharpening and the diameter reduced.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: September 6, 1977
    Assignee: The Dow Chemical Company
    Inventor: Ritchey O. Newman, Jr.
  • Screen changer
    Patent number: 3962092
    Abstract: A simplified screen changer is provided which is particularly suitable for the extrusion of synthetic resinous thermoplastics. Screens are supported in a recessed movable plate. The screen on the upstream side is sealed against leakage by means of an extrusion pressure actuated sealing ring. The apparatus is of simple and rugged construction.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: June 8, 1976
    Assignee: The Dow Chemical Company
    Inventor: Ritchey O. Newman, Jr.
  • Cryogenic tank
    Patent number: 3942331
    Abstract: An improved cryogenic tank is provided which has insulation secured to the inner surface of the tank and a relatively thin sealing membrane within the tank to contain cryogenic liquid. Space containing the insulation is maintained at a reduced pressure sufficient to maintain the insulation in engagement with the outer tank wall.
    Type: Grant
    Filed: July 8, 1974
    Date of Patent: March 9, 1976
    Assignee: The Dow Chemical Company
    Inventors: Ritchey O. Newman, Jr., Thomas W. McCullough