Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 405/140
Name: Hydraulic and earth engineering > Underground passageway, e.g., tunnel > Boring > By axially overlapped members
Description: Method or apparatus wherein a plurality of plates or poles are sequentially driven into the earth surrounding the corridor cross sections such that each plate or pole partially extends over the next longitudinally adjacent plate or pole.










Patents under this class:

Patent Number Title Of Patent Date Issued
8245452 Molded sectioned riser and locking cover Aug. 21, 2012
5382114 Tunnel excavation apparatus Jan. 17, 1995
5290125 Tunnel lining method and apparatus suitable for the purpose Mar. 1, 1994
5253955 Automatically advancing supporting and sliding form for introducing an in-situ concrete lining Oct. 19, 1993
5152638 Process and apparatus for excavating tunnels Oct. 6, 1992
5129764 Device to feed reinforcement rods Jul. 14, 1992
5104260 Method and apparatus for tunnelling Apr. 14, 1992
4666336 Method of and apparatus for building thin lining on tunnel May. 19, 1987











 
 
  Recently Added Patents
Method and system for presenting live video from video capture devices on a computer monitor
Cancer treatment kits comprising therapeutic antibody conjugates that bind to aminophospholipids
Preserving and handling native data in hybrid object trees
Thwarting keyloggers using proxies
Circuit breakers
Compositions and methods for concentrating and depleting microorganisms
Method and device for detecting the dysfunction of a gas pressure sensor in a vehicle tire
  Randomly Featured Patents
Method for forming a semiconductor connection with a top surface having an enlarged recess
Sputter coating collimator with integral reactive gas distribution
Isometric system, method and apparatus for isometric exercise
Adjustable height table support mechanism
Material separator for delivery systems
Preparation of high activity cobalt catalysts, the catalysts and their use
Flexible impact-resistant materials
Drum for producing blanks for car tires
Support bar for turbine diaphragm that facilitates reduced maintenance cycle time and cost
Correction of phase and amplitude imbalance of I/Q modulator