Patents by Inventor John R. Alongi

John R. Alongi 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).

  • Mine roof system
    Patent number: 5018907
    Abstract: Apparatus (1) for supporting a mine roof (R) has connected plates (7, 9) positioned against the roof at opposite sides of the mine roof. One plate (7) has an upset surface (13) contacting the roof to exert a compressive load on it. Bolts (53) anchor the plates to the roof. A tie rod (64) interconnects the plates and is adjustable to vary the compressive load, and in one embodiment a slip anchor (67) is provided at one end of the tie rod which can also be utilized to estimate the tie rod load. In another embodiment a single quick connect pin (227) is provided between connected plates (207, 209).
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: May 28, 1991
    Inventors: Yoginder P. Chugh, John R. Alongi, Joey Linton
  • Mine roof system
    Patent number: 4946315
    Abstract: Apparatus (1) for supporting a mine roof (R) has connected plates (7, 9) positioned against the roof at opposite sides of the mine roof. One plate (7) has an upset surface (13) contacting the roof to exert a compressive load on it. Bolts (53) anchor the plates to the roof. A tie rod (64) interconnects the plates and is adjustable to vary the compressive load, and in one embodiment a slip anchor (67) is provided at one end of the tie rod which can also be utilized to estimate the tie rod load.
    Type: Grant
    Filed: December 13, 1988
    Date of Patent: August 7, 1990
    Inventors: Yoginder P. Chugh, John R. Alongi, Joey Linton