Patents by Inventor Rufino Garza

Rufino Garza 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).

  • Form and method for casting a monolithic precast safety end
    Patent number: 6769662
    Abstract: A precast safety end for use with culverts on highway, driveway, and road drainage crossings has a base having a depending flange at its outer end and an upright wall at its inner end, and opening in the wall to register with the opening in an abutting pipe culvert. Upright wings on each side of the base connect with the upright end wall. The side walls taper downwardly from the upright end wall to the end of the base. The side walls have outwardly protruding wings on either side to prevent erosion and overgrowth of grass.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: August 3, 2004
    Assignee: L & R Pre-Cast Concrete Works
    Inventor: Rufino Garza
  • Precast safety end and form therefor
    Patent number: 6736570
    Abstract: A precast safety end for use with culverts on highway, driveway, and road drainage crossings has a base having a depending flange at its outer end and an upright wall at its inner end, and opening in the wall to register with the opening in an abutting pipe culvert. Upright wings on each side of the base connect with the upright end wall. The side walls taper downwardly from the upright end wall to the end of the base. The side walls have outwardly protruding wings on either side to prevent erosion and overgrowth of grass.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: May 18, 2004
    Assignee: L&R Pre-Cast Concrete Works
    Inventor: Rufino Garza
  • Form and method for casting a monolithic precast safety end
    Publication number: 20030223821
    Abstract: A precast safety end for use with culverts on highway, driveway, and road drainage crossings has a base having a depending flange at its outer end and an upright wall at its inner end, and opening in the wall to register with the opening in an abutting pipe culvert. Upright wings on each side of the base connect with the upright end wall. The side walls taper downwardly from the upright end wall to the end of the base. The side walls have outwardly protruding wings on either side to prevent erosion and overgrowth of grass.
    Type: Application
    Filed: June 20, 2003
    Publication date: December 4, 2003
    Inventor: Rufino Garza
  • Precast safety end and form therefor
    Publication number: 20030194269
    Abstract: A precast safety end for use with culverts on highway, driveway, and road drainage crossings has a base having a depending flange at its outer end and an upright wall at its inner end, and opening in the wall to register with the opening in an abutting pipe culvert. Upright wings on each side of the base connect with the upright end wall. The side walls taper downwardly from the upright end wall to the end of the base. The side walls have outwardly protruding wings on either side to prevent erosion and overgrowth of grass.
    Type: Application
    Filed: September 20, 2002
    Publication date: October 16, 2003
    Inventor: Rufino Garza
  • Safety end for a culvert
    Patent number: D469519
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: January 28, 2003
    Assignee: L&R PreCast Concrete Works
    Inventor: Rufino Garza, Jr.