Patents by Inventor Bjorn Finden

Bjorn Finden 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 providing a primer with a detonator in a borehole
    Publication number: 20050161257
    Abstract: The invention concerns an apparatus adapted to take up a primer (3) with a detonator (7) and intended to be provided in a borehole by means of a charging hose (21) for the filling of the explosives in the hole. The invention includes a cartridge shaped plug (1) adapted to be inserted in the outlet of the charging hose (21) and to releasably be held in the charging hose (21), and to be released from this when the explosives are led out of the charging hose (21). A method for the charging of holes and the charging device for the described apparatus is also included.
    Type: Application
    Filed: June 29, 2001
    Publication date: July 28, 2005
    Inventors: Bjorn Finden, Bent Aanonsen