Patents by Inventor Brent W. Chapman

Brent W. Chapman 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).

  • Protector for through-the-curb drain
    Patent number: 6227758
    Abstract: A protector for a drainpipe exit passing through a sidewalk curb is provided with an angled front face with an exit drain opening formed therein. The angled front face is secured to a top plate, a hollow drainpipe connecting portion, a rear securing element and at least one lower rebar securing element. The curb protector is inserted and held in a form while making or repairing a curb and held therein by concrete poured around a drainpipe connected to the curb protector and the curb protector.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: May 8, 2001
    Inventors: Gregory J. Missick, Brent W. Chapman
  • Curb protector for roof drains
    Patent number: D428121
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: July 11, 2000
    Inventors: Gregory Missick, Brent W. Chapman
  • Curb protector for roof drains
    Patent number: D434123
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: November 21, 2000
    Inventors: Gregory Missick, Brent W. Chapman