Patents by Inventor Jeffrey W. Branson

Jeffrey W. Branson 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).

  • 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