| Patents for E21D 5 - Lining shafts; Linings therefor (494) |
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| 07/08/1998 | CN1186899A Mine filling cementing agent |
| 06/09/1998 | CA2110638C Expansion foam borehole plug and method |
| 04/16/1998 | DE19640985A1 Cover sleeve for underground tunnel |
| 05/21/1997 | EP0774107A1 Expansion foam borehole plug and method |
| 01/21/1997 | US5595459 Cofferdam for 4', 8' and 12' diameter tanks |
| 12/27/1996 | EP0705405B1 Pit-shaft lined with large pipes |
| 11/28/1996 | DE19519376A1 Dump collecting and monitoring shaft |
| 10/09/1996 | EP0736665A2 Construction of holes and tunnels having support walls |
| 03/12/1996 | US5497829 Expansion foam borehole plug and method |
| 01/18/1996 | DE4441719C1 Method for cladding shaft, esp. well shaft |
| 10/25/1995 | CN1110753A Open caisson method of inclined shaft |
| 08/16/1995 | CN2205444Y Well shaft working device |
| 05/26/1995 | WO1995014208A1 Expansion foam borehole plug and method |
| 05/23/1995 | US5417519 Formwork apparatus |
| 05/10/1995 | CN2196688Y Annular-cavity double-wall well-wall tube |
| 03/28/1995 | US5401122 For preventing the collapse of soil about a hole in the ground |
| 01/05/1995 | WO1995000794A1 Union for large pipes |
| 08/31/1994 | CN1025799C Displacement grouting process for aven shaft sinking through quick sand layer |
| 05/10/1994 | CA1329399C Method and machine for constructing shafts |
| 04/27/1994 | CN2163231Y Verticle well composite cage guide |
| 04/13/1994 | CN2161725Y Steel fibre concrete shaft screw fastener joint |
| 02/09/1994 | EP0582485A1 Formwork for casting a tubular structure |
| 02/07/1994 | CA2101959A1 Formwork apparatus |
| 01/05/1993 | US5176470 Water-tight bore shaft foundation |
| 10/06/1992 | CA1308249C Lining of bore holes |
| 08/12/1992 | CN1063528A Combined construction method of concretepouring and grouting for inclined shafts and vertical shafts |
| 01/09/1992 | DE4019609A1 Renovation mat for shaft - consists of two interconnected parts made of longitudinal and transverse rods |
| 09/04/1991 | CN1013786B Wall fabricated side-wall tube |
| 07/28/1991 | WO1991011589A1 Watertight pit foundation |
| 07/03/1991 | CN2080101U Telescopic metal mould for concrete pouring in mine aven |
| 06/12/1991 | CN2078800U Arch hollow lining pipe |
| 06/11/1991 | US5022789 Method and machine for constructing shafts |
| 05/08/1991 | CN1051226A Displacement grouting process for aven shaft sinking through quick sand layer |
| 01/16/1991 | CN2069480U Filter net type reinforced concrete well casing |
| 01/10/1991 | DE3922047A1 Shaft bell for tunnel - comprises sectional frames and supports with built-in expansion devices |
| 11/22/1990 | DE3916475A1 Verfahren und vorrichtung zur herstellung eines schachtes, insbesondere fuer den bergbau Method and device for manufacturing a shaft, especially for the mining |
| 11/08/1990 | DE3913927A1 Mine shaft lining construction - lining sections resting on concrete foundation on slide bearing |
| 05/03/1990 | DE3831206C1 Method of winning reserves in the vicinity of a shaft and shaft lining for carrying out this method |
| 03/07/1990 | CN2054075U Prefabricated shaft lining |
| 02/21/1990 | CN1039871A Well fabricated tube well-method and fabricated side-wall tube |
| 01/02/1990 | US4890676 Apparatus and method for lining bore holes with pre-formed lining shells |
| 12/19/1989 | US4887546 Lining of bore holes |
| 10/05/1989 | DE3807008C1 Method of constructing a shaft, in particular for mining |
| 05/24/1989 | EP0316931A2 Machine for constructing shafts |
| 04/13/1989 | DE3733344A1 Compound lining |
| 03/01/1989 | CN2033397U Air cushion device for mine tower pre-filding and moving situation |
| 09/20/1988 | CA1242083A1 Trapezoidal divider wall for use in shaft construction |
| 06/14/1988 | CA1237981A1 Underwater production station unit and wellhead shield |
| 03/10/1988 | DE3629555A1 Method and apparatus for constructing a shaft, in particular for mining |
| 02/09/1988 | US4723872 Trapezoidal divider wall for use in shaft construction |
| 02/04/1988 | DE3625129A1 Shaft lining with cast-iron ring elements for deep freezing shafts in mining |
| 02/19/1987 | DE3529952C1 Cast-iron tubbing for shaft linings in mining |
| 02/19/1987 | DE3528278A1 Drilling apparatus for shafts |
| 02/19/1987 | DE3528277A1 Anchor drilling apparatus for shafts |
| 07/15/1986 | US4600339 Shield for protecting a well head and functional modules of an under sea station |
| 04/16/1986 | EP0177623A1 Method and apparatus for the establishment of, in particular, water producing drilled wells |
| 02/05/1986 | EP0170199A2 Method of constructing a tubular subterranean hollow space |
| 05/07/1985 | CA1186517A1 Concrete lining of drilled shaft |
| 09/25/1984 | US4473322 Method and system for lining shafts |
| 07/17/1984 | US4460293 System for lining a bore hole |
| 04/10/1984 | CA1165129A1 Method and device for installing a shaft lining in shafts through an aquiferous formation |
| 04/03/1984 | CA1164670A1 Mine shaft liner |
| 01/03/1984 | US4423981 Concrete lining of drilled shaft |
| 08/30/1983 | US4401397 Method and device for installing a shaft lining in shafts through an aquiferous formation |
| 08/23/1983 | US4399946 Method and apparatus for producing cement or plaster |
| 03/22/1983 | US4377127 Device for projecting a wall coating, particularly for an excavation |
| 02/01/1983 | US4371289 Underground rock chutes |
| 12/28/1982 | CA1138213A1 Underground rock chutes |
| 08/05/1981 | EP0033281A1 Apparatus for the projection of a wall plastering, in particular for an excavation |
| 07/29/1981 | EP0032783A1 Method and apparatus for producing cement or plaster |
| 06/02/1981 | US4270876 Method of lining a vertical mine shaft with concrete |
| 02/11/1981 | EP0023681A1 Moulded Block for constructing a shaft lining and shaft lining consisting of these moulded blocks and a method of constructing this shaft lining |
| 02/03/1981 | CA1094832A1 Flexible and water tight composite shaft lining formed by an assembly of a concrete cylinder formed by a plurality of annular concrete rings separated from each other by joinder gaps, and of at least one supporting steel cylinder secured to same |
| 12/30/1980 | US4241762 Composite underground fluid conduit of concrete and steel sections |
| 10/28/1980 | CA1088331A1 Slipform apparatus for vertical bores |
| 07/09/1980 | EP0012823A1 Lining for underground cavities |
| 06/10/1980 | US4207016 Method and apparatus for supporting the wall of an upwardly excavated shaft |
| 06/03/1980 | US4205949 Slipform apparatus for vertical bores |
| 03/25/1980 | CA1074137A1 Collapsible tunnel liner section and method of lining a tunnel |
| 03/04/1980 | US4191492 Method of installing a liner in a large diameter borehole |
| 01/01/1980 | US4181484 Device for forming underground pipelines |
| 12/04/1979 | CA1067397A1 Method and means for lining deep shafts |
| 01/09/1979 | US4133472 Method of shipping and assembling rectangular structural unit |
| 01/02/1979 | US4132276 Arrangement for forming vertical or steeply inclined shafts |
| 12/19/1978 | CA1044710A1 Arrangement for widening and forming smaller, vertical or strongly inclined shafts |
| 01/31/1978 | US4070866 Tunnel liners and methods of making the same |
| 01/31/1978 | US4070832 Concrete well casing with cable hooks embedded therein |
| 01/10/1978 | US4067675 Apparatus for in situ lining of an upwardly open shaft with monolithic concrete |
| 11/01/1977 | US4055958 Slipforming method and apparatus for in situ lining of an upwardly open shaft with monolithic concrete |
| 06/28/1977 | US4031708 Slipforming method and apparatus for in situ lining of an upwardly open shaft with monolithic concrete |
| 06/07/1977 | US4027488 Shaft liner assembly |
| 02/22/1977 | US4009063 Method of lining a pipe |
| 10/12/1976 | US3984956 Casing voussoir |
| 05/25/1976 | US3958637 Technique for lining shaft |