Patents by Inventor Rigo Stadler

Rigo Stadler 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).

  • Patent number: 4069835
    Abstract: A device to proportionately mix fuel and lubricant for use in a two cycle engine which has no internal mixing device incorporated therewith comprising a cylindrical lubricant container, a columnar fuel delivery inlet which perpendicularly angles to merge with and to feed fuel into a conical funneled mixing chamber immediately below the base of the lubricant supply container. An axially secured butterfly lever in the line of fuel inlet travel is depressed by passing fuel and activates a spring-loaded piston valve which allows a proportionate flow of lubricant to the mixing chamber.
    Type: Grant
    Filed: July 21, 1976
    Date of Patent: January 24, 1978
    Inventor: Rigo Stadler
  • Patent number: 4031934
    Abstract: An adjustable router bit for cutting wood and plastics whereby the depth of the cut may be varied through an adjustment means comprising a guide plate having a circular rotatable locating plate mounted therein and secured thereto and the shaft of the cutter head eccentrically located on said rotatable locating plate. The eccentric position of said shaft on a rotatable plate provides a means for varying the depth of cut of the router bit blades in a stepless fashion.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: June 28, 1977
    Inventor: Rigo Stadler