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
Female urine funnel
Piezoelectric ultrasonic transducer apparatus
Method and device for operating a vehicle having a hybrid drive
Method for producing semiconductor substrate, semiconductor substrate, method for manufacturing electronic device, and reaction apparatus
Context-based adaptive binary arithmetic coding engine
Interest point detection
Cavernous nerve stimulation via unidirectional propagation of action potentials
  Randomly Featured Patents
Portable paper table
Loading structure
System for printing information on a mailing medium
Stacked semiconductor die
Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use
Automated actuating shock mount for improved vehicle cornering
Oil-in-water type emulsion food
Thermoluminescence dosimeter reader
Optical disk apparatus and servo control method