Patents by Inventor Stephen W. Baker

Stephen W. Baker 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).

  • Traffic barrel having a double-walled corrugated construction
    Patent number: 6017602
    Abstract: A device for use as a meter pit or a traffic barrel, having double-walled construction in which one wall is a substantially smooth inner wall and a second outer wall is a corrugated wall, wherein the corrugated wall may be a singular wall extending from one end of the inner wall to the other end of the inner wall or a plurality of exterior walls attached sequentially at various points to the inner wall, the exterior corrugated walls may be linked to one another by a series of smooth walls. The corrugated wall has small, individual corrugations with the individual corrugations including a pair of trough walls and a crest, the small size of the individual corrugations making the device light-weight and impact resistant. The drum device is extruded and contains a polyolefin mixture, which preferably contains recycled and virgin polyethylene materials.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: January 25, 2000
    Inventors: Stephen W. Baker, Douglas A. Baker
  • Device having a double-walled corrugated construction
    Patent number: 5753347
    Abstract: A device for use as a meter pit or a traffic barrel, having double-walled construction in which one wall is a substantially smooth inner wall and a second outer wall is a corrugated wall, wherein the corrugated wall may be a singular wall extending from one end of the inner wall to the other end of the inner wall or a plurality of exterior walls attached sequentially at various points to the inner wall, the exterior corrugated walls may be linked to one another by a series of smooth walls. The corrugated wall has small, individual corrugations with the individual corrugations including a pair of trough walls and a crest, the small size of the individual corrugations making the device light-weight and impact resistant. The drum device is extruded and contains a polyolefin mixture, which preferably contains recycled and virgin polyethylene materials.
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: May 19, 1998
    Inventors: Stephen W. Baker, Douglas A. Baker
  • Motorcycle safety belt
    Patent number: D377544
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: January 21, 1997
    Inventors: Stephen W. Baker, Vernon F. Baker