Assignee

GALLIFET THOMAS

US·4 granted patents·6 citations·filing 2010–2011

Technology mixE21B4

Top patents by PatentIndex Score

4 records

0168US8752655B2Rock bit having a labyrinth seal/bearing protection structureGALLIFET THOMAS·Filed 2011·Granted Jun 17, 2014·4 cites·30 claims
0260US8534389B2Method and apparatus for reducing lubricant pressure pulsation within a rotary cone rock bitGALLIFET THOMAS·Filed 2011·Granted Sep 17, 2013·2 cites·27 claims
0343US8403079B2Rock bit having a seal gland with a conical sealing surfaceGALLIFET THOMAS·Filed 2010·Granted Mar 26, 2013·0 cites·19 claims
0443US8393418B2Rock bit having a seal gland with a conical sealing surfaceGALLIFET THOMAS·Filed 2010·Granted Mar 12, 2013·0 cites·21 claims

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