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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 405/133
Name: Hydraulic and earth engineering > Underground passageway, e.g., tunnel > Vertical
Description: Method or apparatus wherein the passageway is generally perpendicular to the earth"s surface.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8591151 Forming a shaft for an underground mine Nov. 26, 2013
8322949 System for creating underground structures Dec. 4, 2012
8245452 Molded sectioned riser and locking cover Aug. 21, 2012
7967974 Methods of recovering hydrocarbons from hydrocarbonaceous material using a constructed infrastructure having permeable walls and associated systems Jun. 28, 2011
7955026 Method for rehabilitating a manhole Jun. 7, 2011
7926510 Risers for use with access openings in wastewater treatment tanks Apr. 19, 2011
7906014 Methods of recovering hydrocarbons from hydrocarbonaceous material with reduced non-carbonaceous leachate and CO.sub.2 and associated systems Mar. 15, 2011
7862706 Methods of recovering hydrocarbons from water-containing hydrocarbonaceous material using a constructed infrastructure and associated systems Jan. 4, 2011
7722293 Methods for constructing underground structures May. 25, 2010
7490440 Support device for a rib Feb. 17, 2009
6431789 Method and apparatus for adjusting fiberglass manholes Aug. 13, 2002
6409226 "Corrugated thick-walled pipe for use in wellbores" Jun. 25, 2002
6050746 Underground reinforced soil/metal structures Apr. 18, 2000
5855452 Method for excavating rock cavities Jan. 5, 1999
5824912 Method of roof control in an underground mine Oct. 20, 1998
5595459 Cofferdam for 4', 8' and 12' diameter tanks Jan. 21, 1997
5516237 Process to anchor a post or a string of posts in the ground, and anchoring pier of a post or a string of posts produced by the practice of this process May. 14, 1996
5490744 Method and apparatus for inflating and curing a resin impregnated manhole liner Feb. 13, 1996
5474399 Open cutting by floor slab braced retaining wall Dec. 12, 1995
5417519 Formwork apparatus May. 23, 1995
5401122 Excavation shield apparatus and method Mar. 28, 1995
5302052 Underground work chamber assembly and method for the construction thereof Apr. 12, 1994
5265981 System and method for rehabilitating a manhole, and manhole rehabilitated thereby Nov. 30, 1993
5261766 Vertical bore hole system and method for waste storage and energy recovery Nov. 16, 1993
5197827 Method for lowering a basement structure Mar. 30, 1993
5176470 Water-tight bore shaft foundation Jan. 5, 1993
5135328 Process for constructing basement Aug. 4, 1992
5131789 Mill hole liner ring connector assembly Jul. 21, 1992
5078545 Method for boring hole in the ground and apparatus therefor Jan. 7, 1992
5044822 Open bottom pit seal Sep. 3, 1991
5026209 Containment casing for a deep well gravity pressure reactor vessel Jun. 25, 1991
5022789 Method and machine for constructing shafts Jun. 11, 1991
5002434 Method and apparatus for placing a hollow column in the hard bottom of a body of water in particular in a rock bottom Mar. 26, 1991
5002438 Method of rehabilitating manholes by custom lining/relining Mar. 26, 1991
4991999 Corrugated structural panels Feb. 12, 1991
4973197 Silos and methods of burying same Nov. 27, 1990
4920722 Composable well May. 1, 1990
4911586 Plug for pier hole Mar. 27, 1990
4863311 Lining for bore holes in salt domes Sep. 5, 1989
4797031 Caisson sinking method Jan. 10, 1989
4723872 Trapezoidal divider wall for use in shaft construction Feb. 9, 1988
4717285 Cistern for liquid or gas, constructed of reinforced concrete Jan. 5, 1988
4701073 Shaft sinking method Oct. 20, 1987
4685830 Mineshaft closures Aug. 11, 1987
4683691 Protective annular construction and method of manufacture Aug. 4, 1987
4601607 Mine shaft guide system Jul. 22, 1986
4553876 Method and apparatus for laying drains in frost-susceptible ground, and drains laid in such ground Nov. 19, 1985
4513521 Tillage tool for forming an underground water retention tunnel Apr. 30, 1985
4496268 Method and apparatus for constructing reinforced concrete walls in the earth Jan. 29, 1985
4473322 Method and system for lining shafts Sep. 25, 1984

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