Patents by Inventor Cliff R. Carroll

Cliff R. Carroll 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).

  • Patent number: 4251483
    Abstract: Multiple, independent path bubble tonometer apparatus for preparing a plurality of predetermined like or different gas/blood samples under identical though dynamic conditions. The tonometer comprises in a controlled environment common locus, multiple tonometer paths each of which is defined by a gas/blood equilibration chamber, means to add a blood sample to the chamber, means to diffuse a gas into the blood sample to an equilibrium condition therein, the gas diffusion means including a porous diffuser body communicating the sample with a pressurized gas supply, and side arm means to selectively withdraw an aliquot portion of the equilibrium condition sample; and an enclosure defining the controlled environment locus identically about each and every tonometer path for instantly cross-referenceable multiple sample preparations.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: February 17, 1981
    Inventor: Cliff R. Carroll