Patents Assigned to Haake-Fisons Instruments, Inc.
  • Method for testing repeatability of a rheologic system
    Patent number: 4899576
    Abstract: A method for testing the repeatability of test runs of a rheologic instrument. Such instrument will, typically, include a power shaft and a test chamber. The disclosed method constitutes the step of using a torque transducer to reiteratively compare the reactive torques imparted to a power shaft through the use of sequences of rheologic references.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: February 13, 1990
    Assignee: Haake-Fisons Instruments, Inc.
    Inventors: Daniel November, William E. Langley, Harry Darnopuk, George V. Hectus