Patents by Inventor William Lewis Holke

William Lewis Holke 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).

  • Pneumatic ball projecting apparatus
    Patent number: 6830044
    Abstract: An apparatus that propels a ball pneumatically is provided with an adapter for imparting spin to the ball. In a further aspect, the apparatus can be provided with a position adjuster that cooperates with a ball exit tube of the apparatus. A further aspect is directed to a platform that allows the apparatus to be supported on a ladder-like device. A pneumatic projectile propulsion apparatus is capable of achieving high speed with a simple and practical structure.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: December 14, 2004
    Inventors: Howard E. Hansen, William Lewis Holke
  • Pneumatic ball projecting apparatus
    Publication number: 20040139955
    Abstract: An apparatus that propels a ball pneumatically is provided with an adapter for imparting spin to the ball. In a further aspect, the apparatus can be provided with a position adjuster that cooperates with a ball exit tube of the apparatus. A further aspect is directed to a platform that allows the apparatus to be supported on a ladder-like device. A pneumatic projectile propulsion apparatus is capable of achieving high speed with a simple and practical structure.
    Type: Application
    Filed: January 21, 2003
    Publication date: July 22, 2004
    Inventors: Howard E. Hansen, William Lewis Holke
  • Pneumatic ball propulsion apparatus
    Publication number: 20030101978
    Abstract: An apparatus that propels a ball pneumatically is provided with an adapter for imparting spin to the ball. In a further aspect, the apparatus can be provided with a position adjuster that cooperates with a ball exit tube of the apparatus. A further aspect is directed to a platform that allows the apparatus to be supported on a ladder-like device. A pneumatic projectile propulsion apparatus is capable of achieving high speed with a simple and practical structure.
    Type: Application
    Filed: March 4, 2002
    Publication date: June 5, 2003
    Inventors: William Kirby Smith, William Lewis Holke