Patents Assigned to Henry Allen
  • Chromatographic column
    Patent number: 4116836
    Abstract: A monolithic glass construction having a continuous passageway formed therethrough packed with chromatographic packing material is used as a chromatographic column. The monolithic construction enables the column to be formed of the longest practical length and smallest practical diameter to increase the efficiency of the column, while also providing a durable column. Quick-connect and disconnect couplings to a gas feed and analysis device are mounted on the monolithic construction.
    Type: Grant
    Filed: March 1, 1977
    Date of Patent: September 26, 1978
    Assignees: Henry Allen, Charles J. Garbarini, Jr.
    Inventor: William M. DeAngelis