Patents by Inventor William J. Spangler, Jr.

William J. Spangler, 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).

  • Filter Cartridge with Turbulence Generating Features
    Publication number: 20210331110
    Abstract: The present disclosure provides a filter cartridge for a facepiece respirator mask body. The filter cartridge includes a cover, a base, and a filter medium. The cover has a top surface, a cover sidewall, cover support elements, and an inhalation vent. The cover support elements extend downwardly from the top surface. The inhalation vent is located at least primarily in the cover sidewall. The base has a bottom surface, a base sidewall, base support elements, and an inhalation port. The base support elements extend upwardly from the bottom surface. The inhalation port is located in the bottom surface. The base and the cover collectively define an interior compartment. The filter medium is sandwiched between the base support elements and the cover support elements in a manner that divides the interior compartment into an upper chamber and a lower chamber.
    Type: Application
    Filed: April 22, 2021
    Publication date: October 28, 2021
    Applicant: USA as represented by the Secretary of the Army
    Inventors: Marc L. Roth, William J Spangler, JR., Lester D Strauch, III, Patrick O Hulbert, Robert Michael Ferguson
  • Removable chuck
    Patent number: 6047971
    Abstract: A removable chuck has a chuck member for holding a drill bit. Also, a mechanism is coupled with the chuck body to retain the chuck body to a drill spindle. The retention mechanism, in a first position, retains the chuck on the drill spindle and in a second position the release mechanism enables the chuck to be removed from the spindle.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: April 11, 2000
    Assignee: Black & Decker Inc.
    Inventors: William G. Harman, Jr., Dale K. Wheeler, William J. Spangler, Jr., Robert H. Gifford
  • Removable chuck
    Patent number: 5951026
    Abstract: A removable chuck has a chuck member for holding a drill bit. Also, a mechanism is coupled with the chuck body to retain the chuck body to a drill spindle. The retention mechanism, in a first position, retains the chuck on the drill spindle and in a second position the release mechanism enables the chuck to be removed from the spindle.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: September 14, 1999
    Assignee: Black & Decker Inc.
    Inventors: William G. Harman, Jr., Dale K. Wheeler, William J. Spangler, Jr., Robert H. Gifford