Patents by Inventor Darrell Isbell

Darrell Isbell 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: 7614120
    Abstract: An improved seed cleaner utilizes a rock trap sequentially followed by an aspiration hood which performs preliminary cleaning before passing seed to a rotary seed cleaner mounted over a shaker to yield a cottonseed cleaning system has enhanced the removal of loose lint from the seed before the seed is passed over any shaker screens to prevent clogging of the shaker screens by the loose lint.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: November 10, 2009
    Assignee: Lummus Corporation
    Inventor: Darrell Isbell
  • Publication number: 20090194463
    Abstract: An improved seed cleaner utilizes a rock trap sequentially followed by an aspiration hood which performs preliminary cleaning before passing seed to a rotary seed cleaner mounted over a shaker to yield a cottonseed cleaning system has enhanced the removal of loose lint from the seed before the seed is passed over any shaker screens to prevent clogging of the shaker screens by the loose lint.
    Type: Application
    Filed: February 1, 2008
    Publication date: August 6, 2009
    Inventor: Darrell Isbell
  • Patent number: 7340802
    Abstract: A delinter apparatus for seed cotton includes a jack screw displacement system for a gratefall which opens the apparatus for removal of a saw cylinder while urging a plurality of belt tensioning idlers into a relaxed position such that the drive belt for the saw cylinder can be removed in a simplified and more efficient manner. The apparatus also has improved flow characteristics due to improvements in the lint feeder design as well as the transition designs from the feeder to the float chamber and saw interface.
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: March 11, 2008
    Assignee: Carver, Inc.
    Inventor: Darrell Isbell
  • Publication number: 20060248685
    Abstract: A delinter apparatus for seed cotton includes a jack screw displacement system for a gratefall which opens the apparatus for removal of a saw cylinder while urging a plurality of belt tensioning idlers into a relaxed position such that the drive belt for the saw cylinder can be removed in a simplified and more efficient manner. The apparatus also has improved flow characteristics due to improvements in the lint feeder design as well as the transition designs from the feeder to the float chamber and saw interface.
    Type: Application
    Filed: May 4, 2005
    Publication date: November 9, 2006
    Inventor: Darrell Isbell