Patents by Inventor Johnny Van Howard

Johnny Van Howard 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).

  • Welding ring gauge
    Patent number: 4625414
    Abstract: A welding gauge for an insert ring on the end of a pipe with a first slide member defining a pipe engaging gauging surface and with a second slide member slidably mounted on a first slide member along a path perpendicular to the path of the gauging surface. The second slide member has a ring engaging recess which projects out over the gauging surface to hold the welding ring in place on the end of a pipe. The slide members can be locked together in any position for adjustment.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: December 2, 1986
    Inventor: Johnny Van Howard