Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Container
Configurable pitch reducing optical fiber array
Methods to fabricate a photoactive substrate suitable for microfabrication
Particle-loaded membrane for solid-phase-extraction and method for performing SALDI-MS analysis of an analyte
Wrench
Buffering stop structure and corresponding packing case
Photoacoustic joulemeter utilizing beam deflection technique
  Randomly Featured Patents
Method of forming a magneto-resistance effect thin film
Delay spread estimation for multipath fading channels
Combustion chamber wall cooling
Optical signal processor for barcode reader
Nephropathy-associated gene
Alternating cymbals
Electronic ballast capable of linear and stepless light regulation
Aluminium electroplating solution
Commutating rotary switch
Apparatus for releasing a rack chock of a jack-up rig