Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/338
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > With rotary or endless carrier
Description: Apparatus in which the rolling cutter element is rotatably mounted on an endless or rotary carrier so that both the rolling cutter element and the carrier may roll or tend to roll on a surface of the bore as the bit is rotated.










Patents under this class:

Patent Number Title Of Patent Date Issued
8355815 Methods, systems, and devices for manipulating cutting elements for earth-boring drill bits and tools Jan. 15, 2013
5875860 Drill for making a pole in the ground and a method for applying such a drill Mar. 2, 1999
4446935 Intermittent high-drag oil well drilling bit May. 8, 1984
4405177 Apparatus for finishing surfaces Sep. 20, 1983
4371210 Freely rotatable pick bit holder on rotary driven member and method Feb. 1, 1983
4275928 Planing apparatus with bridging cutters Jun. 30, 1981
3975056 Longwall canted drum mining machine Aug. 17, 1976
3967854 Endless bucket type excavator Jul. 6, 1976











 
 
  Recently Added Patents
Vending machine
Traffic flow analysis mitigation using a cover signal
System and methods for random parameter filtering
Method and device for processing broadcast packets/multicast control messages
Solid-state imaging apparatus and imaging system
Particle measurement process and apparatus
Methods of isolating bipotent hepatic progenitor cells
  Randomly Featured Patents
Anti-stokes fluorescent material composition
n-Tier configured IMAP server
Method for controlling a universal backlight inverter
Bath and process for the electrodeposition of chromium
Tiller with folding handle and clutch control
Head mounted display with headtracker
Field emission material
Retaining clip for Anderson-type power connectors
Ladder hinge and multi-position locking mechanism therefor
Apparatus for attaching substrates of flat display panel