P

Inventor

MCCORMICK RONNY D

US7 patents
⚠️ This page may combine multiple inventors who share the name “MCCORMICK RONNY D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAKER HUGHES INC

4 patents
US6332503B1Dec 25, 2001

Fixed cutter bit with chisel or vertical cutting elements

BAKER HUGHES INC179 citations98
US6883623B2Apr 26, 2005

Earth boring apparatus and method offering improved gage trimmer protection

BAKER HUGHES INC132 citations96
US7392862B2Jul 1, 2008

Seal insert ring for roller cone bits

BAKER HUGHES INC56 citations95
US10316589B2Jun 11, 2019

Hybrid drill bit and design method

BAKER HUGHES INC1 citations62

ZAHRADNIK ANTON F

1 patent
US8678111B2Mar 25, 2014

Hybrid drill bit and design method

ZAHRADNIK ANTON F18 citations91

NGUYEN DON Q

1 patent
US8978786B2Mar 17, 2015

System and method for adjusting roller cone profile on hybrid bit

NGUYEN DON Q4 citations66

BAKER HUGHES HOLDINGS LLC

1 patent
US10871036B2Dec 22, 2020

Hybrid drill bit and design method

BAKER HUGHES HOLDINGS LLC0 citations51