Patents by Inventor William D. Gramling

William D. 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).

  • Vortex left platform
    Publication number: 20110215191
    Abstract: Apparatus and method of using a generated vortex contained in a cylindrical enclosure to generate aerodynamic lift.
    Type: Application
    Filed: March 8, 2010
    Publication date: September 8, 2011
    Inventor: William D. Gramling
  • Seals for gas and oil well swabs
    Patent number: 4751870
    Abstract: Seal for maintaining gas-tight contact between casing wall and, particularly, automatic well swabs. The seal includes an upper portion containing a reinforcing tube and being minimally less in diameter than the casing interior, a tapering midsection and a lower skirt portion contacting the well casing. Also included is a secondary embodiment with an upper portion being substantially less in diameter than the casing interior and reinforcing ribs in the tapering midsection.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: June 21, 1988
    Inventor: William D. Gramling
  • Dual-action retrieving tool for oil well swabs
    Patent number: 4700775
    Abstract: Apparatus and method for a tool that will retrieve either an oil well swab or the down-hole stand which limits the working depth of the swab.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: October 20, 1987
    Inventor: William D. Gramling
  • Special effects editing method and apparatus using retrieved video
    Patent number: 4389680
    Abstract: Apparatus and method for retrieving existing video signals from video tape just prior to re-recording to achieve dissolve edits and special-effects edits on that tape.
    Type: Grant
    Filed: December 17, 1980
    Date of Patent: June 21, 1983
    Inventor: William D. Gramling
  • Color television display system
    Patent number: 4197559
    Abstract: Means for projecting a color television picture by rotating or otherwise moving a multi-colored filter in front of a monochrome projection tube and detecting the color of the projected light to electronically switch the appropriate color video input to the projection tube.
    Type: Grant
    Filed: October 12, 1978
    Date of Patent: April 8, 1980
    Inventor: William D. Gramling