Inventor

PLUNKETT TIMOTHY J

US4 patents

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

ATLAS COPCO SECOROC LLC

2 patents

US7992652B2Aug 9, 2011

Fluid distributor cylinder for percussive drills

ATLAS COPCO SECOROC LLC14 citations78

US7832504B2Nov 16, 2010

Exhaust valve and bit assembly for down-hole percussive drills

ATLAS COPCO SECOROC LLC0 citations39

YAO JING JAMES

1 patent

US8561730B2Oct 22, 2013

Foot valve assembly for a down hole drill

YAO JING JAMES3 citations55

PLUNKETT TIMOTHY J

1 patent

US8215419B2Jul 10, 2012

Variable frequency control for down hole drill and method

PLUNKETT TIMOTHY J5 citations55