Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/216
Name: Boring or penetrating the earth > With above-ground means for handling drilling fluid or cutting > Standpipe
Description: Apparatus including a substantially vertical conduit means which is usually either part of, attached to, or adjacent a derrick, and which is used to conduit fluid from a point located near ground level to a fluid handling element fixed at one end of an axially movable tool shaft.










Patents under this class:

Patent Number Title Of Patent Date Issued
8556004 Bottom preventer for use in a drilling system Oct. 15, 2013
6814167 Boring device and boring method Nov. 9, 2004
6230824 Rotating subsea diverter May. 15, 2001
4915452 Hydraulic borehole mining system and method Apr. 10, 1990
4867256 Injection of polymer chemicals into drilling mud Sep. 19, 1989
4514103 Safety guides for use with a rotary hose and kelly spinner hoses and the combination thereof Apr. 30, 1985











 
 
  Recently Added Patents
Display apparatus and control method thereof
Manufacturing method for semiconductor device carrier and semiconductor package using the same
Photoelectric conversion device
Dual protocol input device
Method to dynamically tune precision resistance
Eyeglasses
Wideband antenna
  Randomly Featured Patents
Electrowetting display and pixel array substrate thereof and electrowetting display pixel structure thereof
Expandable medical device with ductile hinges
Golf exercising aid device
Photocatalyst-binder compositions
Alarm unit for panic bar type door operator
Amusement devices
Signal-operated marking device
Data receiving system for receiving data signal faded and delayed
Method of preparing n-oxo-tetrahydro-beta-carbolines
Motor vehicle theft deterrent device