Patents by Inventor Edward W. Tota

Edward W. Tota 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
    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
  • Method and apparatus for pressure wave suppression in small-charge blasting
    Patent number: 6332401
    Abstract: The present invention is directed to a method for selecting pressure wave suppression devices from among a menu of pressure wave suppression devices to satisfy the pressure wave requirements of a given job or application. The present invention is further directed to pressure wave suppression devices that can be used in the hole, at or near the opening of the hole, or at a distance from the hole to perform pressure wave and/or flyrock protection. The invention is particularly useful in suppressing airblast and other excavation equipment noise in urban areas.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: December 25, 2001
    Assignee: RockTek Limited
    Inventors: Edward W. Tota, Mihailo Gavrilovic, John D. Watson, Peter N. Georgiou, Jeffrey W. Branson
  • Method and apparatus for flyrock control in small charge blasting
    Patent number: 6321655
    Abstract: The present invention is directed to a method for selecting flyrock control devices from among a menu of flyrock control devices to satisfy the flyrock requirements of a given job or application. The present invention is further directed to flyrock devices that can be used in the hole, at or near the opening of the hole, or at a distance from the hole to perform flyrock and/or pressure wave protection. The invention is particularly useful in suppressing flyrock in urban areas.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: November 27, 2001
    Assignee: RockTek Limited
    Inventors: Edward W. Tota, Kevin Mudge, Jeffrey W. Branson, Peter N. Georgiou, Mihailo Gavrilovic, John D. Watson