Patents by Inventor Stephen H. Ledwell

Stephen H. Ledwell 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).

  • Chicken harvesting machine
    Patent number: 4567852
    Abstract: A chicken harvesting machine which includes a wheel mounted main chassis, a chicken pickup conveyor at one end of the chassis, an elevating framework movably supporting the chicken pickup conveyor on the chassis, a discharge conveyor movably mounted on the opposite end of the chassis from the chicken pickup conveyor, and a coop positioning structure carried on the chassis in a position at which a coop supported thereon can receive chickens discharged from the discharge conveyor. The coop supporting structure is mounted on the chassis for pivotation about a horizontal axis, and includes a laterally shiftable subframe. The laterally shiftable subframe carries a reciprocable platform for moving a chicken coop into a loading attitude adjacent the discharge conveyor.
    Type: Grant
    Filed: August 24, 1984
    Date of Patent: February 4, 1986
    Assignee: Ledwell & Sons Enterprises, Inc.
    Inventors: Lloy W. Ledwell, Stephen H. Ledwell, Bobby W. Nolte
  • Chicken harvesting machine
    Patent number: 4467745
    Abstract: A chicken harvesting machine which includes a wheel mounted main chassis, a chicken pickup conveyor at one end of the chassis, an elevating framework movably supporting the chicken pickup conveyor on the chassis, a discharge conveyor movably mounted on the opposite end of the chassis from the chicken pickup conveyor, and a coop positioning structure carried on the chassis in a position at which a coop supported thereon can receive chickens discharged from the discharge conveyor. The coop supporting structure is mounted on the chassis for pivotation about a horizontal axis, and includes a laterally shiftable subframe. The laterally shiftable subframe carries a reciprocable platform for moving a chicken coop into a loading attitude adjacent the discharge conveyor.
    Type: Grant
    Filed: July 8, 1983
    Date of Patent: August 28, 1984
    Assignee: Ledwell & Son Enterprises, Inc.
    Inventors: Lloy W. Ledwell, Stephen H. Ledwell, Bobby W. Nolte