| Patents for E21D 11 - Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling (7,167) |
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| 01/09/1979 | CA1045838A1 Device for erecting a segmented tunnel wall lining |
| 12/26/1978 | CA1044907A1 Profile steel |
| 12/26/1978 | CA1044906A1 Rib expander |
| 12/19/1978 | US4129991 Method of producing a concrete lined tunnel or other underground excavation |
| 11/28/1978 | CA1043072A1 Yieldable joint |
| 11/21/1978 | US4126407 Methods of shifting heavy and/or loaded structures |
| 11/14/1978 | US4124985 Collapsible tunnel liner section and method of lining a tunnel |
| 11/07/1978 | CA1041779A2 Method and apparatus for supporting the roof of an underground mine working |
| 11/07/1978 | CA1041778A1 Mining equipment |
| 10/17/1978 | US4120165 Methods of and apparatus for driving tunnels |
| 10/17/1978 | US4120164 Underground roadway or tunnel support |
| 09/19/1978 | US4114386 Method and device for removing resilient gallery lining frames in mining and tunnelling which consist of a number of section segments inserted one into another in a dissimilar manner |
| 09/12/1978 | US4112694 Tunnel-lagging element and system |
| 09/05/1978 | US4110992 Brush-type packing means for shield excavator |
| 08/08/1978 | US4104885 Tunnel lining |
| 07/18/1978 | US4101173 Roof prop and platform movably mounted on boom of tunnelling machine |
| 07/18/1978 | US4100749 Method and device for lining chambers and galleries |
| 07/11/1978 | US4099386 Arrangements used for shoring excavations in the ground |
| 06/20/1978 | US4095434 Mine equipment |
| 06/20/1978 | US4095433 Tunnel support structure using built-up pipe support set, and unit pipe support member therefor |
| 05/30/1978 | US4091628 Prestressed elastic arched mine roof support |
| 05/16/1978 | US4089655 Air purification system |
| 04/18/1978 | US4084386 Apparatus for and a method of tunnelling |
| 03/07/1978 | US4077670 Method and apparatus for advancing and supporting an underground mine gallery |
| 02/28/1978 | US4075856 Device for consecutively supporting a drift |
| 02/28/1978 | US4075855 Tunnel construction and tunnel tubbing |
| 02/14/1978 | US4073148 Precast element for the construction of trenched structures and the process related thereto |
| 02/07/1978 | US4072021 Method of driving and forming a tunnel with hydraulic boring machine |
| 01/31/1978 | US4070866 Tunnel liners and methods of making the same |
| 01/10/1978 | US4067201 Device for erecting a segmented tunnel wall lining |
| 01/03/1978 | US4065932 Casing voussoir and method for producing the voussoir |
| 12/20/1977 | US4063425 Tunnel driving apparatus |
| 11/15/1977 | US4057971 Brush-type packing means for shield excavator |
| 10/11/1977 | US4052860 Construction of underground tunnels and rock chambers |
| 10/11/1977 | US4052859 Method and apparatus of completing slurry shield tunneling at vertical shaft |
| 10/04/1977 | US4051682 Method for installing ceiling panels in a tunnel |
| 09/27/1977 | US4050255 Or loaded structures |
| 09/27/1977 | US4050212 Profile steel |
| 09/13/1977 | US4047388 Method for coupling axially aligned tunnel sections and apparatus therefor |
| 09/06/1977 | US4046357 Shotcrete accelerator injection apparatus and method |
| 08/23/1977 | US4043137 Apparatus for and a method of constructing a tunnel |
| 08/16/1977 | US4041713 Method and apparatus for starting a tunneling machine from an initial placement within a vertical shaft sunk into the ground and provided with a starting port |
| 08/16/1977 | US4041665 Injection sealable waterstop and method of installing same |
| 08/02/1977 | US4038829 Method of and apparatus for lining a tunnel |
| 07/26/1977 | US4037417 Voussoir for a casing |
| 06/28/1977 | US4032116 Mixer attachment for mining vehicles |
| 06/07/1977 | US4027902 Joint for culvert sections and the like |
| 05/10/1977 | US4022029 Useful improvements in apparatus for, and in methods of, constructing a tunnel |
| 04/19/1977 | US4018054 Yieldable joint |
| 03/22/1977 | US4012916 Apparatus for constructing underground tunnels |
| 03/08/1977 | US4010617 Composite arch structure |
| 03/08/1977 | US4010616 Rib expander |
| 02/22/1977 | US4009063 Method of lining a pipe |
| 01/18/1977 | US4003211 Methods and apparatus for constructing tunnels |
| 12/14/1976 | US3996752 Casing panel |
| 12/14/1976 | US3996751 Method of blasting and reinforcing rock cavities |
| 11/02/1976 | US3989302 Continuous roof support system for tunnel boring |
| 10/12/1976 | US3984956 Casing voussoir |
| 09/14/1976 | US3979919 Tunnel framing for poured concrete |
| 09/07/1976 | US3978675 Mine roof support equipment |
| 08/03/1976 | US3972200 Tunnelling and lining machine |
| 07/20/1976 | US3970200 Gantry |
| 07/20/1976 | US3969906 Tunnelling shields |
| 06/08/1976 | US3961411 Voussoir for a lining, and method for constructing the lining |
| 04/20/1976 | US3950956 Driving of tunnels |
| 03/30/1976 | US3946567 Voussoir for a lining, and method for constructing the lining |
| 02/10/1976 | USRE28707 Multi-purpose vehicle for use underground |