Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/356
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Circumferentially displaced cutter axes > Stub axle only
Description: Apparatus in which all of the cutter elements are journaled on a separate axle or pin supported at one end only in cantilever fashion.










Patents under this class:

Patent Number Title Of Patent Date Issued
5996713 Rolling cutter bit with improved rotational stabilization Dec. 7, 1999
5641029 Rotary cone drill bit modular arm Jun. 24, 1997
5624002 Rotary drill bit Apr. 29, 1997
5586612 Roller cone bit with positive and negative offset and smooth running configuration Dec. 24, 1996
5439068 Modular rotary drill bit Aug. 8, 1995
4984643 Anti-balling earth boring bit Jan. 15, 1991
4727943 Rotary drill bit Mar. 1, 1988
RE32495 Chip relief for rock bits Sep. 8, 1987
4623027 Unsegmented rotary rock bit structure and hydraulic fitting Nov. 18, 1986
4513829 Chip relief for rock bits Apr. 30, 1985
4417629 Drill bit and method of manufacture Nov. 29, 1983
4369849 Large diameter oil well drilling bit Jan. 25, 1983











 
 
  Recently Added Patents
Patterned birefringent product
Real ear measurement system using thin tube
Method and system for parallelizing data copy in a distributed file system
Autonomous primary-mirror synchronized reset
Method and mobile device for awareness of language ability
Information processing apparatus and power supply controlling method
Rose plant named `ESM R057`
  Randomly Featured Patents
Multiple laser indicia reader optionally utilizing a charge coupled device (CCD) detector and operating method therefor
Method for improving spectral sampling using sub-burst discreet fourier transforms
Furanuronic acid derivatives, process for their production and their use
Adjustable drum clamp
Needle-shaped ceramic body, needle-shaped ceramic catalyst body and method for producing same
Apparatus for the dewatering of sludge
Method for making silarylenesiloxane-polydiorganosiloxane block polymers
Construction heater and method of manufacture of heater
Photographic camera system and using thereof
CPU life-extension apparatus and method