Patents by Inventor Dwight L. Freese

Dwight L. Freese 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).

  • Multi-function apparatus for testing a sample of material
    Patent number: 4648264
    Abstract: A compact, transportable apparatus includes test equipment for operating on a sample of slurry within a single container to determine the compressibility, thickening time, and static gel strength of the sample. The static gel strength test is particularly performed with a load cell vertically moved along a lead screw, which load cell is directly connected to a drive mechanism for driving a paddle at a very slow speed through the sample.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: March 10, 1987
    Assignee: Halliburton Company
    Inventors: Dwight L. Freese, Emory L. Frey, Randall B. Cogbill