Patents by Inventor Nigel Rogers

Nigel Rogers 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).

  • Cartridge shell and cartridge for blast holes and method of use
    Patent number: 6708619
    Abstract: A cartridge shell 10 comprises a main body 12 defining a volume 14 for holding energetic material. The main body 12 has a first end 16 for location adjacent a toe 48 of a hole 46 and a second end 18 directed to the collar 50 of hole 46. The second end 18 is tapered to reduce in transverse area away from the first end to form a point or wedge-like member 20.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: March 23, 2004
    Assignee: Rocktek Limited
    Inventors: Edward Tota, Nigel Rogers
  • Cartridge shell and cartridge for blast holes and method of use
    Publication number: 20020014176
    Abstract: A cartridge shell 10 comprises a main body 12 defining a volume 14 for holding energetic material. The main body 12 has a first end 16 for location adjacent a toe 48 of a hole 46 and a second end 18 directed to the collar 50 of hole 46. The second end 18 is tapered to reduce in transverse area away from the first end to form a point or wedge-like member 20.
    Type: Application
    Filed: February 26, 2001
    Publication date: February 7, 2002
    Inventors: Edward W. Tota, Nigel Rogers