Patents
Patents for F42D 1 - Blasting methods or apparatus, e.g. for loading or tamping (4,148)
11/1996
11/05/1996US5571985 Sequential blasting system
10/1996
10/30/1996CN1134541A Controller and process for explosives mixing and loading
10/24/1996WO1996033384A1 Programmable electronic timer circuit
10/08/1996US5563366 Pyrotechnic ignition apparatus
09/1996
09/26/1996WO1996029567A1 Method and arrangement for supplying reinforcing charges to boreholes
09/25/1996CN1032882C Large separation distrance open-air type powder chamber blasting method
09/24/1996US5559303 Pyrotechnic ignition apparatus
09/18/1996EP0653046B1 Device for sequentially firing electrical detonators
09/11/1996CA2171364A1 Controller and process for explosives mixing and loading
09/10/1996US5554817 Pyrotechnic ignition apparatus
09/03/1996US5551344 Method of affecting fluid flow in a subterranean formation
08/1996
08/21/1996CN1129317A Blasting controlling method and multifunction remote-controller thereof
08/20/1996US5546862 For use with an electrical firing control signal
08/06/1996US5542784 Method and means for driving pipes into the ground and cartridge used therefor and for subsequent pipe blasting
08/01/1996WO1996023341A1 Electrical connections to encased electronic devices
08/01/1996WO1996023195A1 Explosive firing circuit
07/1996
07/23/1996US5539636 Surface blasting system
07/10/1996CN1032275C Cushion element for detonators like; apparatus and method of assembly
07/09/1996US5533454 Alternating current activated firing circuit for EBW detonators
07/02/1996US5531164 Select fire gun assembly and electronic module for underground jet perforating using resistive blasting caps
06/1996
06/11/1996US5524547 Signal tube and detonator cord connector
06/11/1996US5524523 Loading of boreholes with flowable explosives
06/04/1996CA2078701C Detonating cord and blasting cap connector block having a resilient free end cord latch
06/03/1996CA2164273A1 Apparatus and process for explosives blow loading
05/1996
05/30/1996WO1996016462A1 Electrical distribution system
05/30/1996WO1996016311A1 Detonator circuit
05/30/1996WO1996016310A1 Detonator delay circuit
05/28/1996US5520114 Method of controlling detonators fitted with integrated delay electronic ignition modules, encoded firing control and encoded ignition module assembly for implementation purposes
05/21/1996US5517920 Device for sequentially firing electrical detonators
05/19/1996CA2163143A1 Apparatus and process for explosives mixing and loading
05/14/1996US5515784 Signal transmission devices and detonation systems using the same
05/09/1996WO1996013698A1 Apparatus and process for loading emulsion explosives
05/07/1996CA2033792C Non-electric signal transmission device connection, method and apparatus therefor
04/1996
04/18/1996WO1996011375A1 Method and apparatus for transmission of a detonator initiation to a detonating cord
04/18/1996WO1996011374A1 Explosives booster and primer
04/10/1996EP0705740A1 Starting device for crew protecting system
04/10/1996EP0677164A4 Digital delay unit.
04/10/1996CN1120114A Method for excavating a working face
04/09/1996US5505134 Apparatus for detonating one or more explosive devices
04/03/1996CN1119735A Sequential blasting system
03/1996
03/26/1996CA2038765C Cushion element for detonators and the like; apparatus and method of assembly
03/19/1996US5499581 Molded article having integral displaceable member or members and method of use
03/12/1996US5497829 Expansion foam borehole plug and method
02/1996
02/06/1996US5488908 Environmetally insensitive electric detonator system and method for demolition and blasting
01/1996
01/31/1996EP0694157A1 Expendable ebw firing module for detonating perforating gun charges
01/18/1996WO1996001408A1 Seismic anchor
01/17/1996EP0692611A2 Method for excavating a working face
01/16/1996US5483895 For use in an earth borehole
01/11/1996WO1996000879A1 Detonation coupling device
01/10/1996EP0691264A1 Improved method for the destruction of an underwater object, especially of an underwater sea mine
01/10/1996CN2217213Y Detonator for three explosive in series
01/10/1996CN1114740A Miniature solid detonator
12/1995
12/07/1995WO1995032932A1 Molded article having integral displaceable member or members and method of use
12/06/1995CN1113002A Detonator-to-shock tube ignition transfer connector
11/1995
11/29/1995CN2213980Y Network deadlock type explosion apparatus
11/28/1995US5470256 Twin electrical lead and connector assembly
11/08/1995EP0681158A1 Explosive chain
11/08/1995CN2212184Y Fully closed magnetic controlled switch blasting device
11/07/1995US5463955 Transmission tube connector
11/03/1995CA2147676A1 Sequential blasting system
11/02/1995DE19514122A1 Appts. for detonation or explosion of objects at different locations
10/1995
10/26/1995WO1995028551A1 Controlled fragmentation of hard rock by pressurization of the bottom of a drill hole
10/24/1995US5460093 Programmable electronic time delay initiator
10/24/1995US5460073 Method and apparatus for feeding hoses into mining boreholes and the like
10/23/1995CA2147521A1 Blasting components
10/18/1995EP0677164A1 Digital delay unit
10/18/1995CN1110396A Safety explosive package for coal mine
10/12/1995CA2144713A1 Inert stemming materials
10/11/1995CN1109854A Jetting explosive package
10/04/1995EP0675262A1 A perforating gun having a plurality of charges
10/04/1995CN1109582A 炸药 Dynamite
09/1995
09/19/1995US5450794 For increasing the peak pressure of a shock wave in water
09/19/1995US5450686 Pyrotechnic ignition apparatus
09/19/1995CA2035075C Delay train ignition buffer
09/14/1995WO1995024608A1 Expendable ebw firing module for detonating perforating gun charges
09/14/1995WO1995024365A1 Shock tube assembly
09/13/1995CN1029756C Method for cutting marble and granite, device to concentrate energy in hole
09/06/1995CN2206943Y Fuse with safety switch
09/05/1995US5447090 Remote control for bulk explosives delivery system
08/1995
08/31/1995DE4422359C1 Explosive charge chain for mining applications
08/23/1995CN2205956Y Mini-solid blasting apparatus
08/22/1995US5444598 Capacitor exploding foil initiator device
08/10/1995DE4433880C1 Blasting chain with Zener diodes of progressively higher voltage
08/09/1995CA2141746A1 Transmission tube connector
07/1995
07/25/1995US5436791 Perforating gun using an electrical safe arm device and a capacitor exploding foil initiator device
07/25/1995US5435248 Extended range digital delay detonator
07/12/1995CN1029333C Connecting block for ignition devices
07/11/1995US5431100 Blasting system
07/05/1995CN1029258C Delay train ignition buffer
06/1995
06/14/1995CN2200812Y Fire retardent gun plug for coal mine well fire gun
06/13/1995US5423263 Detonator-to-shock tube ignition transfer connector
05/1995
05/26/1995WO1995014208A1 Expansion foam borehole plug and method
05/23/1995US5417162 Detonation coupling device
05/23/1995CA2034036C Detonation transfer apparatus for initiating detonation of an insensitive detonating cord utilizing an initiating compound, flyer and shock reflector
05/17/1995EP0653046A1 Device for sequentially firing electrical detonators.
05/09/1995US5413046 Shock tube assembly
05/03/1995EP0651229A2 Firing system for a perforating gun including an exploding foil detonator
04/1995
04/28/1995CA2134389A1 Method and apparatus for feeding hoses into mining boreholes and the like
04/20/1995WO1995010754A1 Adjustable electric delay detonator
04/20/1995DE4415388C1 Detonating chain
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