Patents by Inventor William D. Jackson

William D. Jackson 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).

  • Composite package for explosive items
    Patent number: 6347700
    Abstract: The present invention pertains to a composite package system that provides sufficient protection and containment of eight explosive devices that contain 33 grams each (264 grams total) of RDX explosive or the equivalent thereof, such as HMX, HNS, etc., to qualify for a U.S. Department of Transportation (DOT) classification of 1.4S. The composite package system of this invention comprises the combination of a prior art corrugated paper box in a wooden crate that meets DOT 4C1 requirements and that is lined with cement-fiber material.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: February 19, 2002
    Assignee: The Ensign-Bickford Company
    Inventors: Robert J. Redfield, William D. Jackson, Stanley D. Pastusek
  • Dual polarity pulse detection circuit with variable voltage threshold
    Patent number: 4016552
    Abstract: A circuit having a variable voltage source and a comparator with feedback capability detects high-speed input pulses of positive and negative polarities relative to selected voltage thresholds. The circuit also stretches and displays the detected pulses utilizing pulse stretching and LED circuitry.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: April 5, 1977
    Assignee: Hewlett-Packard Company
    Inventors: James F. Horner, William D. Jackson