Patents by Inventor Derrel L. Spencer

Derrel L. Spencer 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: 7832705
    Abstract: A grade bracket for use with concrete form systems is disclosed. In one embodiment, the grade bracket forms part of a concrete form system that includes a plurality of form components, including straight forms, curved radius forms, and skin panels for interconnecting form components. The form components are assembled atop a ground surface and are configured to define a volume for containing poured concrete. Grade brackets for supporting the form components at a desired grade above the ground are used. Each grade bracket includes a body, a form support member, and a grade knob. The form support member attaches to the body and includes a bracket portion that supports the form component. The grade knob includes an eye-bolt. A stake secured in the ground is selectively engaged by the eye-bolt of the grade knob such that the grade bracket is maintained at a desired position on the stake.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: November 16, 2010
    Inventors: Derrel L. Spencer, Kurtis Jones
  • Patent number: 7780894
    Abstract: Disclosed is a tilt-up wall system that defines a space to receive a material, such as concrete. The system can include a plurality of forms and an opening system. The opening system defines the location of an opening that will receive a window, door, or other structure mountable or installable into the tilt-up wall. The opening system can include one or more corner assemblies, one or more spacer members, one or more lower supports, and one or more upper supports.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: August 24, 2010
    Inventors: Kurtis D. Jones, Derrel L. Spencer
  • Publication number: 20080142678
    Abstract: A system for holding poured concrete in a desired shape until it sets is disclosed. The system can include a plurality of forms having two opposing end sections. Each of the end sections has an end bracket attached to it. A plurality of footing stakes may be used to connect the end brackets together such that the forms maintain the desired shape. At least one whaler bracket may be secured to a top of the forms to maintain the spacing between them. A skin panel can be used to bridge gaps between forms. Bulkhead brackets can be attached to the ends or centers of the forms and secured to allow end walls to be created where desired. Vertical footing panels can also be used to pour concrete onto adjoining inclined surfaces.
    Type: Application
    Filed: February 19, 2008
    Publication date: June 19, 2008
    Inventors: L. Alma Jessop, Derrel L. Spencer
  • Patent number: 7331560
    Abstract: A system for holding poured concrete in a desired shape until it sets is disclosed. The system can include a plurality of forms having two opposing end sections. Each of the end sections has an end bracket attached to it. A plurality of footing stakes are used to connect the end brackets together such that the forms maintain the desired shape. At least one whaler bracket is secured to a top of the forms to maintain the spacing between them. A skin panel can be used to bridge gaps between forms. Bulkhead brackets can be attached to the ends of the forms and secured to allow end walls to be created where desired. Vertical footing panels can also be used to pour concrete onto adjoining inclined surfaces.
    Type: Grant
    Filed: January 27, 2004
    Date of Patent: February 19, 2008
    Assignee: Cactus Holdings, LLC
    Inventors: L. Alma Jessop, Derrel L. Spencer
  • Patent number: 7290749
    Abstract: A system for holding poured concrete in a desired shape until it sets is disclosed. The system can include a plurality of forms having two opposing end sections. Each of the end sections has an end bracket attached to it. A plurality of footing stakes are used to connect the end brackets together such that the forms maintain the desired shape. At least one whaler bracket is secured to a top of the forms to maintain the spacing between them. A skin panel can be used to bridge gaps between forms. Bulkhead brackets can be attached to the ends of the forms and secured to allow end walls to be created where desired. Vertical footing panels can also be used to pour concrete onto adjoining inclined surfaces.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: November 6, 2007
    Assignee: Cactus Holdings, LLC
    Inventors: L. Alma Jessop, Derrel L. Spencer