Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 175/349
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Longitudinal axis cutter > With transverse axis cutter
Description: Apparatus in which an additional rolling cutter element is mounted on an axis extending transversely of the bit head.

Patents under this class:

Patent Number Title Of Patent Date Issued
7240745 Drill bit lubrication apparatus and method Jul. 10, 2007
5033558 Well tool for use with down-hole drilling apparatus Jul. 23, 1991
4433738 Method and apparatus for use when changing the direction of a well bore Feb. 28, 1984
3945447 Boring apparatus Mar. 23, 1976

  Recently Added Patents
Multi-dimensional tuple support in rule engines
Synthesis of 8-amino boron dipyrromethenes having blue fluorescence
Reoccuring keying system
Maize hybrid X08B748
Varying latency timers in a wireless communication system
Extension of physical downlink control channel coverage
  Randomly Featured Patents
Stretched resin film and label comprising the same
Method of replacing heating tubes of a heating chamber
Device for correctly positioning yarns prior to knitting in a circular knitting machine
System and method for computing rail car switching solutions in a switchyard including logic to re-switch cars for block pull time
Image processing apparatus and method of transmitting reference clock
Fiber-reinforced syntactic foam composites prepared from polyglycidyl aromatic amine and polycarboxylic acid anhydride
Calibrated overlapping frequency sweep
Method of making a semiconductor device
Method of making a projectile having a driving band
Hydrogenation of lactones to glycols