Inventor
SAXMAN WILLIAM C
US18 patents
⚠️ This page may combine multiple inventors who share the name “SAXMAN WILLIAM C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRESSER IND
12 patentsUS6415687B2Jul 9, 2002
Rotary cone drill bit with machined cutting structure and method
DRESSER IND50 citations96
US6213228B1Apr 10, 2001
Roller cone drill bit with improved pressure compensation
DRESSER IND48 citations96
US6206116B1Mar 27, 2001
Rotary cone drill bit with machined cutting structure
DRESSER IND17 citations92
US5456328AOct 10, 1995
Drill bit with improved rolling cutter tooth pattern
DRESSER IND30 citations92
US5429201AJul 4, 1995
Drill bit with improved rolling cutter tooth pattern
DRESSER IND26 citations92
US4509607AApr 9, 1985
Compressible pressure compensator within closed lubricant volume of an earth boring apparatus
DRESSER IND27 citations89
US4167980ASep 18, 1979
Rock boring cutter with replaceable cutting element
DRESSER IND24 citations82
US6390209B2May 21, 2002
Roller cone drill bit with improved pressure compensation
DRESSER IND7 citations73
US6092611AJul 25, 2000
Encapsulated elastomeric relief valve
DRESSER IND13 citations73
US4179000ADec 18, 1979
Self-cleaning raise boring head system
DRESSER IND13 citations72
US4182422AJan 8, 1980
Large diameter bit with bridge mounted drive stem
DRESSER IND2 citations54
US4258805AMar 31, 1981
Low cutter load raise head
DRESSER IND1 citations52
HALLIBURTON ENERGY SERV INC
5 patentsUS6474424B1Nov 5, 2002
Rotary cone drill bit with improved bearing system
HALLIBURTON ENERGY SERV INC64 citations96
US6311789B1Nov 6, 2001
Bit breakers, bits, systems, and methods with improved makeup/breakout engagement
HALLIBURTON ENERGY SERV INC53 citations96
US6536192B2Mar 25, 2003
Drill bit packages and methods
HALLIBURTON ENERGY SERV INC21 citations85
US7543660B2Jun 9, 2009
Roller cone drill bit with debris diverter plugs
HALLIBURTON ENERGY SERV INC3 citations60
US7484572B2Feb 3, 2009
Roller cone drill bit with debris flow paths through associated support arms
HALLIBURTON ENERGY SERV INC1 citations49