Patents by Inventor Joost Smid

Joost Smid 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).

  • Molecular pump or, respectively, gas-tight sealing arrangement for a body placed in a housing and rapidly rotating about an axis
    Patent number: 4270882
    Abstract: Gastight seal for a rotary shaft or a cylindrical resp. cylindrical like body, the seal being of the type using a molecular gas, which seal has properties that automatically will stabilize the rotor, if whirl phenomena exited by gasforces have temporarily given rise to a precessional movement.
    Type: Grant
    Filed: December 15, 1977
    Date of Patent: June 2, 1981
    Assignee: Ultra-Centrifuge Nederland N.V.
    Inventors: Waltherus J. Th. H. Luijten, Joost Smid
  • System for the continuous separation of a gaseous mixture
    Patent number: 4119418
    Abstract: A system for the continuous separation of a gaseous mixture or a mixture of gaseous isotopes by means of a number of cascade-connected separating units for enriching the mixture (called the rectifier) and a number of cascade-connected separating units for depleting the mixture (called the stripper), so designed that means are provided for transferring separating units temporarily from one stage of the cascade to another stage of the cascade.
    Type: Grant
    Filed: November 23, 1976
    Date of Patent: October 10, 1978
    Assignee: Ultra-Centrifuge Nederland N.V.
    Inventor: Joost Smid
  • Apparatus for precipitating and separating a material in a solid form from a gaseous mixture
    Patent number: 4060391
    Abstract: An apparatus for precipitating and separating a material in a solid form from a gaseous mixture. The substance which is settling in solid form can be very simply prevented from accumulating near the inlet by providing at least one channel with at least one controllable bypass.
    Type: Grant
    Filed: December 15, 1976
    Date of Patent: November 29, 1977
    Assignee: Ultra-Centrifuge Nederland N.V.
    Inventors: Hubertus Johannes Gerardus van Heel, Victor Leonard Bruins, Joost Smid