Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/358
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Circumferentially displaced cutter axes > Mutually contacting cutter supports
Description: Apparatus in which all of the cutter elements are journaled on a separate axle or pin which intersect, abut, or otherwise engage each other under the bit head so as to support or brace each other.










Sub-classes under this class:

Class Number Class Name Patents
175/359 With bearing or seal details 21


Patents under this class:

Patent Number Title Of Patent Date Issued
4623027 Unsegmented rotary rock bit structure and hydraulic fitting Nov. 18, 1986











 
 
  Recently Added Patents
Hand sign
Prevention and treatment of oxidative stress disorders by gluthathione and phase II detoxification enzymes
Method of operating an electromechanical converter, a controller and a computer program product
Laser processing method and apparatus
Registry key federation systems and methods
Systems and methods for automated institutional processing of payments
LED lighting module
  Randomly Featured Patents
Driving assembly for driving a plurality of mandrels
Etchant for etching metal wiring layers and method for forming thin film transistor by using the same
Shelf adapter for a towel rack
Semi-cordless unbalanced spring driven blind system and methods for adjusting and making same
Scanned display with plurality of scanning assemblies
Process for purifying carbon nanotubes made on refractory oxide supports
Method and apparatus for predicting recurring ventricular arrhythmias
Bobeche
Multivariable anti-G valve
Comparator and method of implementing a comparator in a device having programmable logic