| Patents for F42D 1 - Blasting methods or apparatus, e.g. for loading or tamping (4,148) |
|---|
| 11/16/1993 | US5261327 Ammonium nitrate and fuel oil mixture, propellant |
| 11/09/1993 | US5259315 Non-electrical detonator |
| 11/09/1993 | CA1324029C Method of rock breakage by blasting |
| 11/02/1993 | CA1323896C Safety switch for explosive well tools |
| 10/20/1993 | CN2144291Y Safety blasting machine for mine |
| 10/20/1993 | CN1077521A Pumping apparatus |
| 10/19/1993 | US5253586 Method of stemming a blast hole |
| 10/19/1993 | US5253585 Explosive pipe crimping method and devices |
| 10/13/1993 | EP0564773A1 Expandable cap for use as anti-theft device for an explosive cartridge insertable into wells |
| 10/06/1993 | CN2143319Y Explosion bar |
| 09/28/1993 | US5247886 Blast plug and stemming construction for blast holes |
| 09/22/1993 | EP0561499A1 Explosive arrangements |
| 09/19/1993 | CA2090915A1 Pumping apparatus |
| 09/19/1993 | CA2090158A1 Explosive arrangements |
| 09/16/1993 | WO1993018366A1 Arrangement for effecting detonation of explosive materials |
| 09/15/1993 | CN2142189Y Blaster |
| 09/15/1993 | CN2142188Y Blasting tool |
| 09/15/1993 | CN1076272A Controlled blasting and quarrying method for facing stone |
| 09/14/1993 | US5243913 Core charge containing flake metal fuel having colored surface which is removed on firing leaving a residue of a different color |
| 09/08/1993 | CN1076020A Method of and apparatus for dispensing a substance |
| 08/17/1993 | US5237136 For use with an explosive well tool to prevent accidental or premature firing |
| 07/30/1993 | WO1993015365A1 Blasting method and composition |
| 07/27/1993 | US5231245 Explosives |
| 07/27/1993 | CA2018540C Blasting device for unblocking mine raises |
| 06/24/1993 | DE4141092A1 Filling holes bored into ground to take explosive charges - involves use of water-fed pourable filler material and net hose expandable at right angles to its longitudinal axis |
| 06/22/1993 | CA1319318C Conduit construction means |
| 06/09/1993 | EP0545799A1 Serial control apparatus using pyrotechnic fuse |
| 06/02/1993 | CN1072772A Blasting method for rhombo-hedron |
| 06/01/1993 | US5216197 Explosive diode transfer system for a modular perforating apparatus |
| 05/25/1993 | US5214236 Timing of a multi-shot blast |
| 05/05/1993 | CN1071750A Incline deep hole explosion tech. |
| 04/27/1993 | CA1316759C Propagating device for low energy fuses |
| 04/26/1993 | CA2080306A1 Explosives dispenser |
| 04/21/1993 | EP0406337B1 Electronic device and mode of operation |
| 04/20/1993 | US5204492 Low noise, low shrapnel detonator assembly for initiating signal transmission lines |
| 04/13/1993 | US5202532 Autonomous acoustic detonation device |
| 04/07/1993 | CN1070631A Shock tube initiator |
| 04/06/1993 | CA1315597C Primer centering device for large diameter blastholes |
| 04/06/1993 | CA1315573C Method and apparatus for charging waterlogged boreholes with explosives |
| 03/31/1993 | CN1070470A Space charging and blasting technique of inclined deep hole bottom |
| 03/24/1993 | EP0532729A1 Electrical connector |
| 03/10/1993 | CA2077629A1 Shock tube initiator |
| 03/09/1993 | US5192828 Detonating cord and blasting cap connector block having a resilient free end cord latch |
| 03/09/1993 | US5192819 Bulk explosive charger |
| 02/23/1993 | US5189246 Timing apparatus |
| 02/04/1993 | DE4135777A1 PLug for water bottle - has axially projecting tongue which holds it in bottle neck while bottle is being filled |
| 01/20/1993 | CN1068187A Method for wrapping booster charge and increasing explosive efficiency |
| 01/19/1993 | CA1312780C Low energy fuse multi-connector |
| 01/19/1993 | CA1312777C Charging of explosives into boreholes |
| 01/19/1993 | CA1312754C Loading of boreholes with explosive |
| 12/24/1992 | DE4212375A1 Explosive train used esp. in mining - has detonation stages, each contg. semiconductor switch and parallel-connected detonators |
| 12/23/1992 | WO1992022727A1 Method and means for driving pipes into the ground and cartridge used therefor and for subsequent pipe blasting |
| 12/23/1992 | CA2111005A1 Method and means for driving pipes into the ground and cartridge used therefor and for subsequent pipe blasting |
| 12/22/1992 | US5173569 Digital delay detonator |
| 12/17/1992 | DE4136096C1 Device for placing explosive charge on bottom of vertical borehole, etc. - includes casing with bottom end connected to blasting cartridge with outer dia. smaller than bore of drill pipe, etc. |
| 12/16/1992 | EP0518849A2 Non-electric igniter |
| 12/15/1992 | US5171935 Low-energy blasting initiation system method and surface connection thereof |
| 12/14/1992 | CA2071156A1 Non-electrical detonator |
| 12/12/1992 | CA2044311A1 Bulk explosive charger |
| 12/02/1992 | EP0515620A1 Firing arrangements |
| 11/24/1992 | US5165489 Safety device to prevent premature firing of explosive well tools |
| 11/10/1992 | US5162606 Modular blasting system |
| 10/29/1992 | WO1992018828A1 Method and apparatus for initiating 'nonel' tubes |
| 10/27/1992 | US5159149 For use in a detonator system |
| 10/27/1992 | US5159146 Methods and apparatus for selectively arming well bore explosive tools |
| 10/27/1992 | US5159145 Methods and apparatus for disarming and arming well bore explosive tools |
| 10/27/1992 | CA2067065A1 Explosive pipe crimping method and devices |
| 10/27/1992 | CA1309299C Blasting method |
| 10/20/1992 | US5157222 Simulation |
| 10/20/1992 | CA1308914C Foamable explosive combinations |
| 10/15/1992 | WO1992017917A1 Electrical connector |
| 10/15/1992 | CA2084287A1 Electrical connector |
| 10/07/1992 | CN1065135A Connecting block for ignition devices |
| 09/30/1992 | EP0505513A1 Piezoelectrical igniter. |
| 09/22/1992 | CA1307699C Detonator system |
| 09/15/1992 | US5148176 Face velocity of blast faces in blasting operations |
| 09/15/1992 | US5147976 Ignition system for a pyrotechnic composition |
| 09/08/1992 | US5146104 Electronic device for triggering a safety device |
| 09/08/1992 | US5144893 Safe ordnance initiation system |
| 08/26/1992 | EP0500512A2 Connecting block for ignition devices |
| 08/19/1992 | CA2060695A1 Connecting block for ignition devices |
| 08/05/1992 | CN2112134U Explosion lighter |
| 08/02/1992 | CA2059980A1 Loading of boreholes |
| 07/28/1992 | US5134306 Detonation circuit for a vehicle air bag |
| 06/24/1992 | EP0429512A4 Safety switch for explosive well tools |
| 06/24/1992 | CN2108266U High-efficiency energy-saving explosive package for crushing stone |
| 06/23/1992 | US5123356 Transfer apparatus adapted for transferring an explosive train through an externally pressurized secondary explosive bulkhead |
| 06/23/1992 | CA1303968C Through bulkhead explosive initiator for oil well usage |
| 06/17/1992 | CN2107632U Plastic stemming |
| 06/15/1992 | WO1992010718A1 Firing arrangements |
| 06/15/1992 | CA2076017A1 Firing arrangements |
| 06/05/1992 | CA2031409A1 Electro-optical detonator |
| 06/02/1992 | US5117756 Method and apparatus for a calibrated electronic timing circuit |
| 06/02/1992 | CA1302236C Methods and apparatus for field blasting of earth formations using inflatable devices for suspending explosives in boreholes |
| 05/26/1992 | US5115865 Method and apparatus for selectively actuating wellbore perforating tools |
| 05/26/1992 | CA1301634C Control line differential firing head |
| 05/20/1992 | CN1061279A Cushion element for detonators like; apparatus and method of assembly |
| 05/14/1992 | WO1992008932A1 Electronic control system for explosives |
| 05/14/1992 | CA2073695A1 Electronic control system for explosives |
| 04/21/1992 | US5106164 Plasma blasting method |