| Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097) |
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| 05/24/1983 | US4384807 Excavation controlling method in hydraulic shield tunnelling |
| 05/10/1983 | US4383054 Hydrophilic high polymers prepared from aqueous solutions or dispersions of polyoxypropylene polyamine N-N'-polymethylene sulfonates |
| 05/10/1983 | CA1146181A1 Device for preventing collision between part of the cutting arm and part of the loading ramp for a cutting machine |
| 05/03/1983 | CA1145779A1 Excavating machine |
| 03/22/1983 | US4377353 Method of selective underground mining and stabilization of rock cavities |
| 03/22/1983 | US4377311 Multi-purpose mining machine |
| 03/01/1983 | CA1142188A1 Excavator drive mechanism for tunnel boring machine |
| 02/23/1983 | EP0072503A2 Tool-holder for a boring head |
| 02/09/1983 | EP0070856A1 Rock-scaling device |
| 02/09/1983 | EP0018972B1 Roller cutter mount for an earth boring cutterhead |
| 02/03/1983 | WO1983000357A1 A method of and apparatus for hydraulic mining |
| 02/01/1983 | US4371289 Underground rock chutes |
| 02/01/1983 | US4371211 Tunnel boring machine and method of operating same |
| 01/25/1983 | US4370077 Method of pressurizing and stabilizing rock by periodic and repeated injections of a settable fluid of finite gel strength |
| 01/25/1983 | CA1140167A1 Material fracturing apparatus |
| 01/25/1983 | CA1140106A1 Apparatus and process for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein |
| 01/18/1983 | US4368924 Driving shield |
| 01/11/1983 | US4367898 Excavating machines for tunneling with template fixed to boom |
| 01/11/1983 | CA1139324A1 Articulated boom-dipper-bucket assembly for a tunnel boring machine |
| 01/04/1983 | US4367021 Method and apparatus in tunneling |
| 12/28/1982 | US4365913 Method and device for building in the ground vertical walled structures starting from a subterranean conduit |
| 12/28/1982 | CA1138479A1 Conveyor mounted excavator |
| 12/28/1982 | CA1138329A1 Process for consolidating and sealing off geological and artificially deposited rock and earth formations |
| 12/28/1982 | CA1138213A1 Underground rock chutes |
| 12/28/1982 | CA1138190A1 Distance compensating deflected light beam pattern projector |
| 12/08/1982 | EP0066156A1 Method for cutting a tunnel in rock by means of a rock drilling machine |
| 12/07/1982 | US4362337 Tunneling system |
| 11/24/1982 | EP0065486A2 A constant cross-sectional elongated piece of work and a method of constructing this piece of work |
| 10/27/1982 | EP0063345A2 Driving mechanism for rotatably operating boring machines |
| 10/26/1982 | US4355924 Tunnel-driving apparatus |
| 10/19/1982 | CA1133954A1 Method for drilling hard material |
| 10/19/1982 | CA1133706A1 Pipe jacking apparatus |
| 10/12/1982 | US4353676 Bunker for tunnel boring |
| 10/06/1982 | EP0061969A2 Tunnelling machine with a tool-holding rotating head, provided with a device for applying lining units |
| 10/05/1982 | US4352594 Method and apparatus for constructing underground structure |
| 09/28/1982 | US4351564 Device for preventing collision between part of the cutting arm and part of the loading ramp for a cutting machine |
| 09/15/1982 | EP0060124A1 Method of laying pipe underground and system therefor |
| 09/14/1982 | US4349230 Tunnel boring machine |
| 08/24/1982 | US4345839 Device for controlling the position of a drift advancing machine |
| 08/19/1982 | WO1982002738A1 Rock-scaling device |
| 08/18/1982 | EP0057791A1 Fracturing apparatus |
| 08/10/1982 | US4343515 Device for rotating a body |
| 08/10/1982 | US4343512 Cutter drive regulation apparatus for a tunnelling machine |
| 08/10/1982 | US4343367 Drilling machine positioning arrangement |
| 08/05/1982 | WO1982002468A1 Material fracturing apparatus |
| 07/20/1982 | US4340122 Mounted drilling apparatus |
| 06/29/1982 | CA1126766A1 Arrangement for cooling the cutter teeth of the cutting tool of a rock-cutting machine and for cooling the breast |
| 06/23/1982 | EP0054526A1 Tunnel boring machine |
| 06/22/1982 | CA1126301A1 Apparatus for drifting openings in hard rock |
| 06/15/1982 | US4334800 Tunnel drive shield |
| 06/02/1982 | EP0052978A2 A cutting tool |
| 06/01/1982 | US4332508 Shield for tunneling and mining |
| 06/01/1982 | US4332420 Reciprocably supported dual drive member and features thereof |
| 06/01/1982 | CA1124754A1 Hollow cutting head |
| 04/27/1982 | CA1122621A1 Shield-type tunneling machine |
| 03/31/1982 | EP0048342A2 Process and apparatus to supply a pressure fluid which is pumped with a variable pressure |
| 03/30/1982 | US4322180 Method and apparatus for advancing cylindrical bodies underground |
| 03/30/1982 | US4322113 Excavating machines for excavating rock and minerals having first and second alternative modes of control |
| 03/18/1982 | WO1982000747A1 Impacting rock breaker |
| 03/16/1982 | US4319648 Process for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein |
| 03/02/1982 | US4317594 Mounting for material loading means in a mining tunnelling machine |
| 02/23/1982 | US4316635 Extensible and retraciable rotor arm cutting assembly |
| 02/16/1982 | CA1118459A1 Process of and an arrangement for mining |
| 02/09/1982 | US4314730 Mineral mining machine with high pressure fluid nozzle and intensifier |
| 01/26/1982 | US4312541 Hard rock trench cutting machine having anchoring and steering structure |
| 01/19/1982 | US4311411 Pipe jacking apparatus |
| 01/19/1982 | US4311344 Shield-type tunneling machine with toggle controlled bit plates in cutter disc |
| 01/13/1982 | EP0043812A1 Arrangement for the conveyer of a cutting machine with partial cut of full working face |
| 01/12/1982 | CA1115972A1 Method and device for building in the ground vertical walled structures starting from a subterranean conduit |
| 01/06/1982 | EP0042993A1 Shield tunneling method and machine therefor |
| 12/29/1981 | US4307980 Injection of a waterglass solution, polyisocyanate, and polyol, foaming, and hardening; adhesion |
| 12/15/1981 | US4305684 Method of and apparatus for horizontally and vertically guiding a cutter drive shield |
| 12/15/1981 | US4305620 Pneumatic separating system for continuous mining machine |
| 12/08/1981 | US4304309 Surface drilling apparatus |
| 12/01/1981 | US4303275 Slideway means and excavating machines comprising slideway means |
| 11/24/1981 | US4302054 Cutter unit assemblies for excavating machines and to excavating machines including cutter unit assemblies |
| 11/18/1981 | EP0040078A1 Excavating machines |
| 11/17/1981 | US4300802 Apparatus for drifting openings in hard rock |
| 11/03/1981 | US4298230 Tunnelling apparatus |
| 11/03/1981 | US4298080 Rock cutting tools |
| 10/28/1981 | EP0038349A1 Conveyor mounted excavator |
| 10/27/1981 | US4296856 Material gathering device for a mining machine |
| 10/14/1981 | EP0037807A1 Temporary roof supporting device for galleries or tunnels |
| 09/22/1981 | US4290652 Machine for the cutting of rocks in underground works |
| 09/22/1981 | CA1109500A1 Device for sealing the gap between component parts rotatable relative to each other |
| 09/22/1981 | CA1109495A1 Method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, and apparatus for carrying out the method |
| 09/16/1981 | EP0035982A1 A rock drilling rig |
| 09/15/1981 | US4289357 Hollow cutting head |
| 09/15/1981 | US4289356 Shield assemblies for installation in under-ground roadways and rock excavating machines including such shield assemblies |
| 09/15/1981 | US4289275 Method and device for breaking a hard compact material |
| 09/01/1981 | US4287111 Compositions useful for consolidation of mining deposits |
| 08/31/1981 | EP0034143A4 A rotary cutterhead for an earth boring machine. |
| 08/26/1981 | EP0034143A1 A rotary cutterhead for an earth boring machine. |
| 08/25/1981 | US4285546 Tunnel profile control |
| 08/19/1981 | EP0033820A2 Tubbing, use of this tubbing and method of constructing it |
| 08/11/1981 | US4283090 Conveyor mounted excavator |
| 07/28/1981 | US4280572 Chisel for a percussive tool |
| 07/14/1981 | US4278293 Apparatus for advancing a low-height drift through a subterranean structure |
| 06/17/1981 | EP0023487A4 Rotary cutterhead for an earth boring machine. |
| 06/09/1981 | US4271617 Method of removing snow from ground surface |