Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 175/172
Name: Boring or penetrating the earth > With tool drive prime mover or above-ground mechanical motion converting drive means > With endless flexible conveyer
Description: Apparatus including material transport elements mounted to travel in a circuitous path on a flexible or articulated endless means, and generally for the purpose of conveying cuttings above ground.

Patents under this class:

Patent Number Title Of Patent Date Issued
7481280 Method and apparatus for conducting earth borehole operations using coiled casing Jan. 27, 2009
7469755 Method and apparatus for drilling and servicing subterranean wells with rotating coiled tubing Dec. 30, 2008
4483403 Shaft drilling machine Nov. 20, 1984
4444278 Rotatable drilling head Apr. 24, 1984

  Recently Added Patents
Semiconductor device and manufacturing method thereof
Relative pose estimation of non-overlapping cameras using the motion of subjects in the camera fields of view
Molecular hydrogen stores and hydrogen transfer reagents for hydrogenation reactions
Integrated circuit packaging system with an encapsulation and method of manufacture thereof
Post-processing including median filtering of noise suppression gains
Bio-stimulant for improved plant growth and development
Card reader device
  Randomly Featured Patents
Mechanism to reduce lookup latency in a pipelined hardware implementation of a trie-based IP lookup algorithm
Apparatus and method for controlling the output power of a generator to maintain generator temperature below an allowed limiting value
Automatic detection of premature ventricular complexes for heart rate turbulence measurements
Pneumatic radial tire with rubber chafer, stiffener and sidewall-reinforcing rubber layer
Smoking compositions containing a flavorant-release additive
Motorcycle oil tank with visible grooves
Digital audio disc player
Pulse width modulator circuit having negative bias
Display screen window assembly