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| Patents for F42D 3 - Particular applications of blasting techniques (1,720) |
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| 07/26/1979 | WO1979000471A1 Method for blasting rock | | 05/29/1979 | CA1055308A1 Directional blasting tube having an air cushion | | 02/20/1979 | CA1048872A1 Removing coatings from pipe | | 08/01/1978 | US4103618 Means for extracting a soil anchor consisting of a prestressed steel tendon | | 07/18/1978 | US4100783 Installation for explosion machining of articles | | 06/20/1978 | US4095996 Method of and apparatus for the removal of sea growth from submerged ship hull surfaces | | 05/23/1978 | US4090447 Directional blasting tubes and method of use | | 05/09/1978 | US4088368 Method for explosive breaking of hard compact material | | 07/26/1977 | US4037538 Device for firing an electric detonator | | 12/28/1976 | US3999803 In situ leaching of explosively fractured ore bodies | | 12/28/1976 | US3999483 Removing coatings from pipe | | 12/14/1976 | US3996751 Method of blasting and reinforcing rock cavities | | 10/26/1976 | US3987729 Device for firing an electric detonator | | 09/14/1976 | US3980094 Quick action slide valve | | 08/10/1976 | US3973708 Setting tool containing a laval nozzle | | 08/10/1976 | US3973498 Initiation device for explosive charge | | 06/08/1976 | US3961594 Removal of sea growth from submerged ship hull surfaces | | 06/08/1976 | US3961592 Quick release | | 06/01/1976 | US3960082 Down-the-hole device for breaking rock, concrete and reinforced concrete by pulsewize high liquid pressure | | 04/20/1976 | US3951065 Explosive device and method for removing ice from railroad tunnels |
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