Patents by Inventor Robert A. Hills, Sr.

Robert A. Hills, Sr. 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: 6502361
    Abstract: Rod chairs for use in concrete form for positioning reinforcement rods prior to filling with concrete includes a flat rectangular metal blank for folding into a rod chair that includes an elongated planar portion having a pair of spaced portions to be bent to form a pair of generally curved end walls and a pair of horizontal parallel sides to be bent downwardly to form a pair of generally horizontal flanges, and having at least one three sided cut-out to form at least one elongated finger integrally with the planar portion to be bent upwardly to form a hook for holding a reinforcement rod therebeneath, a pair of recess cut-out apertures positioned at free ends of the planar portion, and elongated cuts intersecting the respective recess cut-out apertures and extend generally along the longitudinal axis to the respective free ends of the metal blank to be bifurcated and separated angularly from the recess cut-out apertures to the free ends to form a pair of leg portions wherein each leg portion to be bent to fo
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: January 7, 2003
    Inventor: Robert A. Hills, Sr.
  • Patent number: 5220766
    Abstract: A beam hanger for attaching two beams at an included angle of about 5.degree.-45.degree., the hanger having two parallel side walls and a bottom wall to form a stirrup seat for the angled beam, each side wall having a step flange positioned at opposite ends of the respective side walls, and holes through said flanges for nailing it to its corresponding beam.
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: June 22, 1993
    Assignee: Southeastern Metals Mfg. Co., Inc.
    Inventor: Robert A. Hills, Sr.
  • Patent number: D445668
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: July 31, 2001
    Inventor: Robert A. Hills, Sr.