Patents by Inventor C. Richard Roper

C. Richard Roper 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: 5908133
    Abstract: A container for transporting particulate matter is initially in slurry form has a base and a sidewall portion extending upwardly therefrom and is characterized by a downwardly extending, integrally-formed peripheral drainage channel having a drainage opening at a normally lowest point therein. The container bottom is configured to urge liquid from the slurry toward the channel, and the channel is configured to urge the liquid toward the drainage opening. The sidewall portion defines an opening coverable by a lid. A liner may be used to improve the drainage of the liquid from the slurry and from the container, and a plug can be placed in the drainage opening after liquid has drainage from the slurry and the container. A supplemental elevating member can be utilized to elevate the slurry with respect to the channel. A method of use of the container is disclosed.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: June 1, 1999
    Assignee: Ropak Corporation
    Inventors: Frano Luburic, C. Richard Roper
  • Patent number: 5615798
    Abstract: A container for transporting particulate matter which is initially in slurry form has a base and a sidewall portion extending upwardly therefrom and is characterized by a downwardly extending, integrally-formed peripheral drainage channel having a drainage opening at a normally lowest point therein. The container bottom is configured to urge liquid from the slurry toward the channel, and the channel is configured to urge the liquid toward the drainage opening. The sidewall portion defines an opening coverable by a lid. A liner may be used to improve the drainage of the liquid from the slurry and from the container, and a plug can be placed in the drainage opening after liquid has drained from the slurry and the container. A supplemental elevating member can be utilized to elevate the slurry with respect to the channel. A method of use of the container is disclosed.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: April 1, 1997
    Assignee: Ropak Corporation
    Inventors: Frano Luburic, C. Richard Roper