Resources Contact Us Home
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
Device to facilitate moving an electrical cable of an electric vehicle charging station and method of providing the same
Sulfonated amorphous carbon, process for producing the same and use thereof
Method and system for remotely testing a wireless device
Methods and apparatuses for configuring and operating graphics processing units
Opportunistic modem
Device for maneuvering a vehicle using maneuvering moves using at least one trajectory
Circuitry testing module and circuitry testing device
  Randomly Featured Patents
Trailer-mounted table wood splitter
Multilayer heat sealant structures, packages and methods of making the same
Method of erecting a compliance carrier
Pressure controlled superplastic forming
Telecommunication switching connector
Method of operating I. C. engines and apparatus thereof
Apparatus for reducing a computational result to the range boundaries of a signed 8-bit integer in case of overflow
Method of constructing an axial flow fan
Pixel circuit and display device having symmetric pixel circuits and shared voltage lines
Oxygen storage material, process for its preparation and its application in a catalyst