Resources Contact Us Home
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
Facility to reuse paper
Pattern identification apparatus, control method and program thereof
Method of making a CIG target by spray forming
Analog-to-digital converter with input voltage biasing DC level of resonant oscillator
Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge
Sensor controller, navigation device, and sensor control method
Flash multi-level threshold distribution scheme
  Randomly Featured Patents
Optical modulator with ringing suppression
Fishline guide mechanism for spinning reel
AFM version of diode-and cathodoconductivity-and cathodoluminescence-based data storage media
Gripper cylinder in a folding apparatus
Method of forming a semiconductor die with aluminum-spiked heat pipes
Process for the preparation of midazolam
Hybrid vehicles
Cable management apparatus
Computer program product and system for altering execution flow of a computer program
Formulations for high speed print processing