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