Patents by Inventor Melvin Mackey

Melvin Mackey 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).

  • Rail car mobile servicing apparatus
    Patent number: 11186305
    Abstract: A manually manipulated apparatus supports a piece of equipment beneath a rail car gate of a railroad hopper car during maintenance or removal of the gate. The apparatus has a frame and a support frame attached to the frame. The support frame is selectively raisable and lowerable between a lowered position adjacent to the frame to a raised position extending upwardly above the frame. The support frame has an equipment engagement member which has an upwardly facing surface which is adapted to engage a downwardly facing surface of the equipment when the support frame is in the raised position.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: November 30, 2021
    Inventor: Melvin Mackey
  • RAIL CAR MOBILE SERVICING APPARATUS
    Publication number: 20200070864
    Abstract: A manually manipulated apparatus supports a piece of equipment beneath a rail car gate of a railroad hopper car during maintenance or removal of the gate. The apparatus has a frame and a support frame attached to the frame. The support frame is selectively raisable and lowerable between a lowered position adjacent to the frame to a raised position extending upwardly above the frame. The support frame has an equipment engagement member which has an upwardly facing surface which is adapted to engage a downwardly facing surface of the equipment when the support frame is in the raised position.
    Type: Application
    Filed: November 7, 2019
    Publication date: March 5, 2020
    Inventor: Melvin Mackey
  • Hopper gate mobile servicing apparatus
    Patent number: 10471972
    Abstract: A manually manipulated apparatus supports the gate of a railroad hopper car during maintenance or removal of the gate. The apparatus has a frame and a support frame attached to the frame. The support frame is selectively raisable and lowerable between a lowered position adjacent to the frame to a raised position extending upwardly above the frame. The support frame has a gate engagement member which has an upwardly facing surface which is adapted to engage a downwardly facing surface of the gate when the support frame is in the raised position.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: November 12, 2019
    Inventor: Melvin Mackey