Patents by Inventor Randy D. Stroup

Randy D. Stroup 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: 9387788
    Abstract: A combination trailer is provided that includes a dump trailer having a bottom surface, a front portion, a back portion, a first side panel, and a second side panel with an upper wall section and a lower wall section. The upper wall section is movable between an open and closed position such that the height of the second side panel is adjustable. An enclosure system is also included in the combination trailer to selectively cover an open top of the dump trailer.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: July 12, 2016
    Assignee: First Class Services, Inc.
    Inventors: Randy D. Stroup, Fred P. Smith, David Smith
  • Publication number: 20130302105
    Abstract: A combination trailer is provided that includes a rear self-discharge trailer having a bottom surface, a front portion, a back portion, and two opposing side panels. The side panels of the combination trailer have a height that is less than the height of the front portion. An enclosure system is also included in the combination trailer and selectively covers an open top of the rear self-discharge trailer. One or more one locking pin assemblies are also included in the combination trailer and are attached to at least one of the side panels of the rear self-discharge trailer such that the locking pin assemblies can be used to secure the enclosure system in a desired position.
    Type: Application
    Filed: July 22, 2013
    Publication date: November 14, 2013
    Applicant: FIRST CLASS SERVICES, INC.
    Inventors: Randy D. Stroup, Benjamin J. Pritchett
  • Patent number: 8491030
    Abstract: A combination trailer is provided that includes a rear self-discharge trailer having a bottom surface, a front portion, a back portion, and two opposing side panels. The side panels of the combination trailer have a height that is less than the height of the front portion. An enclosure system is also included in the combination trailer and selectively covers an open top of the rear self-discharge trailer. One or more one locking pin assemblies are also included in the combination trailer and are attached to at least one of the side panels of the rear self-discharge trailer such that the locking pin assemblies can be used to secure the enclosure system in a desired position.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: July 23, 2013
    Assignee: First Class Services, Inc.
    Inventors: Randy D. Stroup, Benjamin J. Pritchett
  • Publication number: 20040231569
    Abstract: A slag cement mixture and process of making the same is disclosed. The slag cement mixture is composed of cupola slag and portland cement. The cupola slag is optionally ground granulated. One embodiment of the process includes rapidly quenching the slag by submersion into water or by spraying water onto it, and grinding the resulting product to achieve a fineness of at least 6,000 cm2/g. The process also includes the addition of 35% ground granulated cupola slag to portland cement to achieve a stronger and harder cement than portland cement alone.
    Type: Application
    Filed: July 22, 2003
    Publication date: November 25, 2004
    Inventors: Willie W. Stroup, Randy D. Stroup, James H. Fallin
  • Patent number: 6627138
    Abstract: A slag cement mixture and process of making the same is disclosed. The slag cement mixture is composed of cupola slag and portland cement. The cupola slag is optionally ground granulated. One embodiment of the process includes rapidly quenching the slag by submersion into water or by spraying water onto it, and grinding the resulting product to achieve a fineness of at least 6,000 cm2/g. The process also includes the addition of 35% ground granulated cupola slag to portland cement to achieve a stronger and harder cement than portland cement alone.
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: September 30, 2003
    Inventors: Willie W. Stroup, Randy D. Stroup, James H. Fallin
  • Publication number: 20030131762
    Abstract: A slag cement mixture and process of making the same is disclosed. The slag cement mixture is composed of cupola slag and portland cement. The cupola slag is optionally ground granulated. One embodiment of the process includes rapidly quenching the slag by submersion into water or by spraying water onto it, and grinding the resulting product to achieve a fineness of at least 6,000 cm2/g. The process also includes the addition of 35% ground granulated cupola slag to portland cement to achieve a stronger and harder cement than portland cement alone.
    Type: Application
    Filed: November 1, 2002
    Publication date: July 17, 2003
    Inventors: Willie W. Stroup, Randy D. Stroup, James H. Fallin
  • Patent number: 6521039
    Abstract: A slag cement mixture and process of making the same is disclosed. The slag cement mixture is composed of cupola slag and portland cement. The cupola slag is optionally ground granulated. One embodiment of the process includes rapidly quenching the slag by submersion into water or by spraying water onto it, and grinding the resulting product to achieve a fineness of at least 6,000 cm2/g. The process also includes the addition of 35% ground granulated cupola slag to portland cement to achieve a stronger and harder cement than portland cement alone.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: February 18, 2003
    Inventors: Willie W. Stroup, Randy D. Stroup, James H. Fallin
  • Publication number: 20020038617
    Abstract: A slag cement mixture and process of making the same is disclosed. The slag cement mixture is composed of cupola slag and portland cement. The cupola slag is optionally ground granulated. One embodiment of the process includes rapidly quenching the slag by submersion into water or by spraying water onto it, and grinding the resulting product to achieve a fineness of at least 6,000 cm2/g. The process also includes the addition of 35% ground granulated cupola slag to portland cement to achieve a stronger and harder cement than portland cement alone.
    Type: Application
    Filed: February 16, 2001
    Publication date: April 4, 2002
    Inventors: Willie W. Stroup, Randy D. Stroup, James H. Fallin