Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 405/137
Name: Hydraulic and earth engineering > Underground passageway, e.g., tunnel > Subaqueous > Below bed
Description: Method or apparatus wherein the finished tunnel lies entirely below the surface of the earthen formation underlying the body of water.










Patents under this class:

Patent Number Title Of Patent Date Issued
7766579 Process and device for building a tunnel immersed on a sub-sea soil Aug. 3, 2010
7677336 Portable drilling device Mar. 16, 2010
4900191 Method for removal of broken ground Feb. 13, 1990
4440524 Process for bringing a body of water into communication with a tunnel Apr. 3, 1984
4433937 Method of tunnel construction employing submerged caisson Feb. 28, 1984
4418561 Apparatus for manufacture of tunnel tubes Dec. 6, 1983
4406150 Apparatus and process for improved manufacture of shells for tunnel tubes Sep. 27, 1983
4406151 Collapsible fixture for manufacture of tunnel tubes Sep. 27, 1983
4397582 Method of creating a cold water conduit to be used in ocean thermal energy conversion systems Aug. 9, 1983











 
 
  Recently Added Patents
Bundled flexible cable with water resistant structure
Compositions and methods for lowering triglycerides in a subject on concomitant statin therapy
Geo-coding images
Optical multiplexer/demultiplexer
Optical article including an antireflecting coating having antifog properties and process for making same
Center spreader adapter tool for toilet paper rolls and paper towel rolls that do not have inner cardboard tubes
Vehicle lamp component
  Randomly Featured Patents
R.F. Phase shift control system
X-ray collinator having plates with periodic rectangular openings
Process for preparation of soft magnetic composites and the composites prepared
Method for manufacturing a stent delivery system
Photo film cassette having light trapping ribbons in which pile threads are securely held in place and method of manufacturing the ribbons
Image enhancement based on multiple frames and motion estimation
Traceability method for an electronic payment terminal in the event of a theft thereof, and corresponding computer program
Apparatus and method for bleeding a hydraulic brake system
Protective fabric
Discharge device, in particular toilet flusher, having a tank that can be coupled