Patents by Inventor Bruce D. Smith, Jr.

Bruce D. Smith, Jr. 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).

  • Liquid level detector system with fill-level signature detection
    Patent number: 4956560
    Abstract: An apparatus for checking the fill level of a vial. The apparatus indicates the presence of a vial in a predetermined location. Light is sensed to measuring the amount of light which is able to pass through the vial at that location. A signal is produced which is porportional to the amount of material in said vial.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: September 11, 1990
    Assignee: The West Company
    Inventors: Bruce D. Smith, Jr., Thomas A. Stalnaker