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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7896583 | Gabion deployment A gabion deployment system comprising: a container (30) for retaining a gabion (22) and a gabion (22) of the folding type comprising hingedly attached, connected side walls (16 & 18) and cross-members (12) such that it can b... | 03/01/2011 |
| 7891913 | Gabion deployment A gabion deployment system comprising: a container (30) for retaining a gabion (22) and a gabion (22) of the folding type comprising hingedly attached, connected side walls (16 & 18) and cross-members (12) such that it can b... | 02/22/2011 |
| 7883297 | Gabion deployment A gabion deployment system comprising: a container (30) for retaining a gabion (22) and a gabion (22) of the folding type comprising hingedly attached, connected side walls (16 & 18) and cross-members (12) such that it can b... | 02/08/2011 |
| 7708501 | Gabion deployment A gabion deployment system comprising: a container for retaining a gabion and a gabion of the folding type comprising hingedly attached, connected side walls and cross-members such that it can be folded for storage and deployed for use; a retaining means associated ... | 05/04/2010 |
| 7290960 | Sprayable mining liner A liner is the product of reaction of (a) a hydrophilic prepolymer bearing isocyanate groups; and (b) a water-borne polymer dispersion, the polymer bearing groups that are reactive to isocyanate groups; wherein the dispersion has a sufficiently high solids content, ... | 11/06/2007 |
| 7011865 | Sprayable mining liner A liner is the product of reaction of (a) a hydrophilic prepolymer bearing isocyanate groups; and (b) a water-borne polymer dispersion, the polymer bearing groups that are reactive to isocyanate groups; wherein the dispersion has a sufficiently high solids content, ... | 03/14/2006 |
| 6966610 | Treatment of rock surfaces A method for providing a protective coating in a mine comprising spraying onto the rock surfaces of the mine a hot melt adhesive in an amount to form a coating at least 1 mm, preferably at least 2 mm in thickness and allowing the coating to solidify. The hot melt ad... | 11/22/2005 |
| 6607332 | Method of reinforcing slope reverse analysis technique A method for reinforcing a slope in which field ground deformation characteristics of an unstable slope can be rapidly and reliably judged and the unstable slope recovered and restored to its own natural state by introduction and application of an earth r... | 08/19/2003 |
| 6520718 | Sardine-bone construction method for large-section tunnel This invention relates to a method for boring a large-section tunnel safely and quickly by reinforcing and improving in advance the ground over the full length of the tunnel section, which includes; boring a top drift (2) through the full length of the tu... | 02/18/2003 |
| 6354768 | Soil reinforcement method and apparatus A method and apparatus for improving the stiffness of soil by forming an opening in the ground, inserting an expandable member, and distending the expandable member.... | 03/12/2002 |
| 6196635 | Method of installation of cuttable mine support A method and apparatus are provided for installing a mine support (pillar, or pillar and grout bag) in a mine. The following are practiced: Locating a form in the mine where it is desired to provide support, the form being composed of a plurality of engag... | 03/06/2001 |
| 5263798 | Process for guiding the excavation tool used for the construction of a wall cast in the ground, and excavation tool for implementing this process Process for guiding the excavation tool used in order to execute the trenches necessary for the construction, by successive or alternating panels, of a wall cast in the ground, according to which: a) an excavation tool fitted with a first guiding element is pr... | 11/23/1993 |
| 5244315 | Excavator for constructing underground continuous wall and underground continuous wall construction method An excavator for constructing an underground continuous wall includes a traveling trolley movable on rails and having a sprocket in mesh with a rack extended parallelly to the rails and a hydraulic motor for driving the sprocket. The trolley further inclu... | 09/14/1993 |
| 4465405 | Method and device for the backfilling of roadway supports in mine and tunnel construction with the aid of support hoses having a hardening filler The invention relates to a process and device for backfilling of a roadway structure of mine and tunnel construction utilizing support hoses filled with a hardening filler. The hoses, when empty, are supported by the roadway support, after being put in pl... | 08/14/1984 |
| 4332512 | Arrangement for erecting columnar supporting elements for underground excavations An arrangement for erecting a columnar supporting element of a hardenable flowable material, for a roof of an underground excavation, has a hollow casing for filling with a hardenable flowable material and is composed of two telescopable casing portions e... | 06/01/1982 |
| 4120164 | Underground roadway or tunnel support A method and apparatus is provided for supporting an underground mine roadway or tunnel having a series of spaced rigid support members installed along the roadway or tunnel, the rigid support members being erected in turn adjacent to newly exposed mine o... | 10/17/1978 |
| 3984989 | Means for producing subaqueous and other cast-in-place concrete structures in situ Means for repairing or forming structural bodies of self-hardening fluid cement mortar, in a subaqueous or other situs, utilizing a body-forming cavity including body-shaping walls of porous fabric in combination with openwork matrix means. Fluid mortar o... | 10/12/1976 |
