Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/27
Name: Boring or penetrating the earth > Automatic control > Of advance or applied tool weight
Description: Subject matter in which a sensed condition of operation controls a power operated means to initiate, modify, or terminate the advance or axial pressure of a tool upon the formation.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7350593 Electronically controlled earth drilling rig Apr. 1, 2008
7316277 Bottom hole assembly Jan. 8, 2008
7306054 Method for improving drilling depth measurements Dec. 11, 2007
7228899 Warning device and method to prevent clutch burning Jun. 12, 2007
7198117 Method and arrangement for controlling percussion rock drilling Apr. 3, 2007
7172037 Real-time drilling optimization based on MWD dynamic measurements Feb. 6, 2007
7134511 Soil working method and device Nov. 14, 2006
7114577 Safemode operating system for a drilling or service rig Oct. 3, 2006
7100708 Autodriller bit protection system and method Sep. 5, 2006
7059427 Automatic drilling system Jun. 13, 2006
7044239 System and method for automatic drilling to maintain equivalent circulating density at a preferred value May. 16, 2006
7004263 Directional casing drilling Feb. 28, 2006
6994172 Well drilling control system Feb. 7, 2006
6968909 Realtime control of a drilling system using the output from combination of an earth model and a drilling process model Nov. 29, 2005
6957707 Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence Oct. 25, 2005
6854529 Optimizing method for regulating the operating state of a guided machine tool comprising a rotating percussion tool during a boring process Feb. 15, 2005
6840336 Drilling tool with non-rotating sleeve Jan. 11, 2005
6817422 Automated riser recoil control system and method Nov. 16, 2004
6769497 Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications Aug. 3, 2004
6766869 Remote lock-out system and method for a horizontal directional drilling machine Jul. 27, 2004
6725948 Method of regulating the feed force of a drilling device Apr. 27, 2004
6691801 Load compensator for a pipe running tool Feb. 17, 2004
6637522 Enhanced computer control of in-situ drilling system Oct. 28, 2003
6637523 Drilling process monitor Oct. 28, 2003
6615931 Continuous feed drilling system Sep. 9, 2003
6554082 Apparatus and method for controlling an underground boring machine Apr. 29, 2003
6505689 Arrangement for controlling rock drilling Jan. 14, 2003
6491115 Directional drilling machine and method of directional drilling Dec. 10, 2002
6408952 Remote lock-out system and method for a horizontal direction drilling system Jun. 25, 2002
6382331 Method of and system for optimizing rate of penetration based upon control variable correlation May. 7, 2002
6382330 Apparatus and method for controlling an underground boring machine May. 7, 2002
6325163 Bit torque limiting device Dec. 4, 2001
6293356 Method of and system for optimizing rate of penetration in drilling operations Sep. 25, 2001
6289997 Apparatus and method for controlling an underground boring machine Sep. 18, 2001
6286613 Impact method and the device used in standard penetration test Sep. 11, 2001
6253860 Method and arrangement for controlling rock drilling Jul. 3, 2001
6230821 Weight control system for a rotary drill assembly May. 15, 2001
6216800 In-situ drilling system with dust collection and overload control Apr. 17, 2001
6209662 Method of and apparatus for controlling diamond drill feed Apr. 3, 2001
6192998 Method of and system for optimizing rate of penetration in drilling operations Feb. 27, 2001
6186248 Closed loop control system for diamond core drilling Feb. 13, 2001
6164390 Method of determining characteristics of a rotary drag-type drill bit Dec. 26, 2000
6155357 Method of and system for optimizing rate of penetration in drilling operations Dec. 5, 2000
6152246 Method of and system for monitoring drilling parameters Nov. 28, 2000
6109367 Apparatus and method for controlling an underground boring machine Aug. 29, 2000
6092610 Actively controlled rotary steerable system and method for drilling wells Jul. 25, 2000
6029951 Control system for drawworks operations Feb. 29, 2000
6029754 Drill with motor drive and feed Feb. 29, 2000
6026912 Method of and system for optimizing rate of penetration in drilling operations Feb. 22, 2000
6016878 Method and device for drilling Jan. 25, 2000

1 2 3


 
 
  Recently Added Patents
Loudspeaker
Resin encapsulated semiconductor device and the production method
Lettuce cultivar 50-0301005-B
Disc brake friction couple wear indicator
MOS field plate trench transistor device
Airbag apparatus and method of folding airbag
Variable impedance circuit and apparatus comprising said variable impedance circuit
  Randomly Featured Patents
Method and apparatus for testing the braking efficiency of machines
Urinary drain
Analog to digital converter
Remedy for skin injuries and diseases
Needlenose pliers
Proteins in enteroaggregative escherichia coli (EAEC) useful for diagnosis and therapy of EAEC infections
Surgically implantable device for spinal columns
Biological culture growth and observation device
Projection exposure apparatus and projection exposure method
1,3-substituted cycloalkenes and cycloalkanes as central nervous system agents