Patents by Inventor James G. Grimmett

James G. Grimmett 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).

  • Sag correction system
    Patent number: 7371031
    Abstract: A housing has a central recessed area with a first end and a second end. Each end has an inside rim with at least one aperture there through. The housing has an outside end with an outside end rim with at least one aperture there through. The housing has a central portion with a full circumference. At least one elastomeric pad has an upper face and a lower face. The upper face is coupled to the housing. A compound lifting assembly coupling the pad to the housing.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: May 13, 2008
    Inventor: James G. Grimmett
  • Sag correction system
    Patent number: 7220080
    Abstract: A housing has a central recessed area with a first end and a second end. Each end has an inside rim with at least one aperture there through. The housing has an outside end with an outside end rim with at least one aperture there through. The housing has a central portion with a full circumference. At least one elastomeric pad has an upper face and a lower face. The upper face is coupled to the housing. At least one lifting member are coupled to the housing.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: May 22, 2007
    Inventor: James G. Grimmett
  • Vibrating pipe straightener
    Patent number: 5485739
    Abstract: A straightener for removing dents from an installed section of pipe. The inventive device includes a tapered body positionable within the pipe. A vibrating assembly within the body removes dents from the pipe as the device is pulled therethrough.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: January 23, 1996
    Inventor: James G. Grimmett