Patents by Inventor William Dwight Gramling

William Dwight Gramling 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).

  • Dual fan aerodynamic lift device
    Patent number: 9045227
    Abstract: A two-stage fan provides efficient aerodynamic lift by concentrating and directing a generated high velocity airstream through channels and over sets of airfoils and wings which are contained within a cylindrical housing. Horizontal and vertical control is achieved by manipulating angle-of-attack of the airfoils.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: June 2, 2015
    Inventor: William Dwight Gramling
  • TWIN VORTEX VTOL AIRCRAFT
    Publication number: 20110001014
    Abstract: Apparatus and method of using a generated vortex atop a disc-shaped wing to achieve vertical take-off and sustained flight of an aircraft. Included are apparatus and means of controlling said flight.
    Type: Application
    Filed: July 6, 2009
    Publication date: January 6, 2011
    Inventor: William Dwight Gramling
  • Casing stop for well tools and an insertion device therefore
    Patent number: 4113010
    Abstract: A well anchor for use in a cased well having anchor members of bowed springs and a vertically reciprocable rod actuator movable from the surface to set the anchor.
    Type: Grant
    Filed: April 19, 1977
    Date of Patent: September 12, 1978
    Inventor: William Dwight Gramling
  • Gas powered swabbing device
    Patent number: 4070134
    Abstract: Means for utilizing natural gas pressure to operate a free-floating pressure-sensitive swab to automatically remove fluids from well casings. Also included are means to reduce free-fall speed of the swab, means to manually release pressure under swab in case of sticking, and means to provide a stand at the bottom of the well casing.
    Type: Grant
    Filed: May 19, 1976
    Date of Patent: January 24, 1978
    Inventor: William Dwight Gramling