Inventor
PATTERSON WILLIAM N
US16 patents
⚠️ This page may combine multiple inventors who share the name “PATTERSON WILLIAM N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PATTERSON WILLIAM N
6 patentsUS8173946B1May 8, 2012
Method of intercepting incoming projectile
PATTERSON WILLIAM N19 citations90
US7665514B2Feb 23, 2010
Drill stem guide and wrench apparatus
PATTERSON WILLIAM N13 citations82
US5050688ASep 24, 1991
Rock drill feed support
PATTERSON WILLIAM N17 citations72
US7681664B2Mar 23, 2010
Internally dampened percussion rock drill
PATTERSON WILLIAM N6 citations67
US5064002ANov 12, 1991
Concentric drill rod assemblies for percussion rock drills
PATTERSON WILLIAM N3 citations61
US8028772B2Oct 4, 2011
Internally dampened percussion rock drill
PATTERSON WILLIAM N0 citations45
(unassigned)
4 patentsUS6464023B2Oct 15, 2002
Hydraulic in-the-hole percussion rock drill
27 citations91
US6155361ADec 5, 2000
Hydraulic in-the-hole percussion rock drill
22 citations91
US5680904AOct 28, 1997
In-the-hole percussion rock drill
29 citations91
US6293357B1Sep 25, 2001
Hydraulic in-the-hole percussion rock drill
15 citations83