Patents by Inventor Andrew G. Fairhurst

Andrew G. Fairhurst 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).

  • Spray nozzle for underground roof support
    Patent number: 10378354
    Abstract: A fluid spray for an underground roof support includes a first housing portion, a spray outlet, a second housing portion formed integrally with the first housing portion, and a service port. The first housing portion includes an elongated shaft having a first end, a second end, and a first fluid passage extending between the first end and the second end. The spray outlet is positioned adjacent the second end of the shaft. The second housing portion is positioned adjacent the first end of the shaft. The second housing portion includes at least one port and a second fluid passage between the at least one port and the first fluid passage. The service port is aligned with the first fluid passage, and the service port is selectively opened to provide access to the first fluid passage from the first end of the first housing portion.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: August 13, 2019
    Assignee: Joy Global Underground Mining LLC
    Inventor: Andrew G. Fairhurst
  • SPRAY NOZZLE FOR UNDERGROUND ROOF SUPPORT
    Publication number: 20180291739
    Abstract: A fluid spray for an underground roof support includes a first housing portion, a spray outlet, a second housing portion formed integrally with the first housing portion, and a service port. The first housing portion includes an elongated shaft having a first end, a second end, and a first fluid passage extending between the first end and the second end. The spray outlet is positioned adjacent the second end of the shaft. The second housing portion is positioned adjacent the first end of the shaft. The second housing portion includes at least one port and a second fluid passage between the at least one port and the first fluid passage. The service port is aligned with the first fluid passage, and the service port is selectively opened to provide access to the first fluid passage from the first end of the first housing portion.
    Type: Application
    Filed: June 12, 2018
    Publication date: October 11, 2018
    Inventor: Andrew G. Fairhurst
  • Spray nozzle for underground roof support
    Patent number: 10024157
    Abstract: A fluid spray for an underground roof support includes a first housing portion, a spray outlet, a second housing portion formed integrally with the first housing portion, and a service port. The first housing portion includes an elongated shaft having a first end, a second end, and a first fluid passage extending between the first end and the second end. The spray outlet is positioned adjacent the second end of the shaft. The second housing portion is positioned adjacent the first end of the shaft. The second housing portion includes at least one port and a second fluid passage between the at least one port and the first fluid passage. The service port is aligned with the first fluid passage, and the service port is selectively opened to provide access to the first fluid passage from the first end of the first housing portion.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: July 17, 2018
    Assignee: Joy Global Underground Mining LLC
    Inventor: Andrew G. Fairhurst
  • SPRAY NOZZLE FOR UNDERGROUND ROOF SUPPORT
    Publication number: 20170159436
    Abstract: A fluid spray for an underground roof support includes a first housing portion, a spray outlet, a second housing portion formed integrally with the first housing portion, and a service port. The first housing portion includes an elongated shaft having a first end, a second end, and a first fluid passage extending between the first end and the second end. The spray outlet is positioned adjacent the second end of the shaft. The second housing portion is positioned adjacent the first end of the shaft. The second housing portion includes at least one port and a second fluid passage between the at least one port and the first fluid passage. The service port is aligned with the first fluid passage, and the service port is selectively opened to provide access to the first fluid passage from the first end of the first housing portion.
    Type: Application
    Filed: December 2, 2016
    Publication date: June 8, 2017
    Inventor: Andrew G. Fairhurst