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Class Information
Number: 175/348
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Longitudinal axis cutter
Description: Apparatus in which the rolling cutter element is mounted on the bit head on an axis which extends in the same general direction as the axis of the bit.

Sub-classes under this class:

Class Number Class Name Patents
175/349 With transverse axis cutter 4

Patents under this class:

Patent Number Title Of Patent Date Issued
7617747 Methods of manufacturing rotary drag bits including a central region having a plurality of cutting structures Nov. 17, 2009
7562726 Device for drilling a bore in the ground Jul. 21, 2009
7278499 Rotary drag bit including a central region having a plurality of cutting structures Oct. 9, 2007
7240745 Drill bit lubrication apparatus and method Jul. 10, 2007
6296069 Bladed drill bit with centrally distributed diamond cutters Oct. 2, 2001
6109374 Roller stabilizer Aug. 29, 2000
4793425 Profiled body roller-reamer stabilizer Dec. 27, 1988
4765417 Reaming apparatus for well drilling Aug. 23, 1988
4709462 Method for assembling a well drilling tool Dec. 1, 1987
4527644 Drilling bit Jul. 9, 1985
4217966 Junk basket, bit and reamer stabilizer Aug. 19, 1980
4203496 Longitudinal axis roller drill bit with gage inserts protection May. 20, 1980
4013325 Drill rod stabilizing tool Mar. 22, 1977

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