Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/342
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Adjustable cutter element
Description: Apparatus in which means are provided to selectively hold the rolling cutter element in different positions with respect to the bit head.










Patents under this class:

Patent Number Title Of Patent Date Issued
7987931 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Aug. 2, 2011
7604073 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Oct. 20, 2009
7571083 Method of designing a drill bit, and bits made using said method Aug. 4, 2009
7458430 Attachment means for drilling equipment Dec. 2, 2008
7195085 Drill bit Mar. 27, 2007
4690228 Changeover bit for extended life, varied formations and steady wear Sep. 1, 1987
4610318 Rotary cutter assembly Sep. 9, 1986
4448270 Variable diameter earth boring bit May. 15, 1984
4158973 Rolling cutter drill bit Jun. 26, 1979
4010808 Expandable raise bit Mar. 8, 1977











 
 
  Recently Added Patents
Horse stationary tab
Switching element for a valve train of an internal combustion engine
Mold for nanoimprinting, its production process, and processes for producing molded resin having fine concavo-convex structure on its surface and wire-grid polarizer
Storage apparatus and method including page discard processing for primary and secondary volumes configured as a copy pair
Method of synchronization for low power idle
Method for producing organo-oligo silsesquioxanes
Analysis device and an analysis apparatus using the analysis device
  Randomly Featured Patents
Signal transmission for transmitting message to destination
Mesh-pattern partitioned plasma display panel
Erasable optical recording medium with a reversible light absorption layer
Module and surface-mounted module
Computer battery pack charge current sensor with gain control
Plastisol composition
Multi-point injector ring
Method of producing an amide utilizing a microorganism
Vincamine derivatives, their preparation and therapeutical use
Displaying and analyzing document flows