Patents by Inventor William L. Bettison

William L. Bettison 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).

  • Publication number: 20010030204
    Abstract: A valve for an aerosol spray can comprises a valve body and a valve stem. Alignment apparatus comprising a post member and a cutout is associated with the valve body and valve stem whereby axial alignment of the post member and the cutout allows relative axial motion between the valve body and the valve stem. Any other axial alignment of the post member and the cutout prevents axial movement of the valve stem relative to the valve body.
    Type: Application
    Filed: December 8, 2000
    Publication date: October 18, 2001
    Inventors: William L. Bettison, Maria E. Bettison
  • Patent number: 5971214
    Abstract: Safety apparatus is provided which is adaptable to an aerosol spray can such that spraying can occur only in one direction or in a limited number of desired directions. The direction of spraying is in accordance with a feature on a spray head and a mating feature on a mounting cup, when mating alignment is achieved spraying can occur. When the spray head and the mounting cup are out of mating alignment spraying cannot occur.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: October 26, 1999
    Inventor: William L. Bettison, Jr.
  • Patent number: 5957337
    Abstract: Safety apparatus is provided which is adaptable to an aerosol spray can such that spraying can occur only in one direction or in a limited number of desired directions. The direction of spraying is in accordance with a feature on a spray head and a mating feature on a mounting cup, when mating alignment is achieved spraying can occur. When the spray head and the mounting cup are out of mating alignment spraying cannot occur.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: September 28, 1999
    Inventor: William L. Bettison, Jr.