Patents by Inventor Randall R. Hendrix

Randall R. Hendrix 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: 5573210
    Abstract: A pipe hanger (10, 110, 210) comprising hanger rail(s) (16, 116, 216) secured at one end to a floor joist (18) so as to depend downwardly from underneath the floor structure, a first bracket member (20a, 120a, 220a) having at least one longitudinal bore through which the hanger rail(s) is received and a notch (24, 124, 224) formed in one surface of the bracket member thereof. In communication with each longitudinal bore of the bracket member is a latching mechanism (26, 126, 226) which secures the bracket member to the hanger rail(s) such that the bracket member can freely move along the hanger rail(s) in one direction but is prevented from moving along the hanger rail(s) in the opposite direction without actuating a lever on either side of the bracket member. A second bracket member (20b, 120b, 220b) which is identical to the first, but rotated 180.degree.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: November 12, 1996
    Assignee: Randall R. Hendrix
    Inventors: Randall R. Hendrix, William H. Tittle
  • Patent number: 5412007
    Abstract: A stable composition for suppressing dust which comprises 0.1 to 35 parts by weight of a water-soluble lignosulfonate anionic surfactant, 0.1 to 35 parts by weight of one or more non-ionic surfactants, 5 to 85 parts by weight of a petroleum resin, and 1 to 99 parts by weight of water.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: May 2, 1995
    Assignee: Pennzoil Products Company
    Inventors: Randall R. Hendrix, Bruce E. Wilburn, Aidan P. Cooney
  • Patent number: 5308389
    Abstract: A water-based composition for spraying on a surface such as an automobile engine, to provide a flexible protective film thereon comprises a water dispersible polyurethane elastomer, an anti-corrosive agent, a thickener, a dispersing agent, an antifreeze agent, and water.
    Type: Grant
    Filed: May 5, 1992
    Date of Patent: May 3, 1994
    Assignee: Pennzoil Products Company
    Inventors: Joseph M. Russo, Randall R. Hendrix