P

Inventor

YAO JING JAMES

CA7 patents
⚠️ This page may combine multiple inventors who share the name “YAO JING JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YAO JING JAMES

3 patents
US8079647B2Dec 20, 2011

Vibratory milling machine having linear reciprocating motion

YAO JING JAMES17 citations79
US8561730B2Oct 22, 2013

Foot valve assembly for a down hole drill

YAO JING JAMES3 citations55
US8056985B2Nov 15, 2011

Vibratory machine

YAO JING JAMES0 citations48

BOART LONGYEAR INC

2 patents
US7434890B2Oct 14, 2008

Vibratory milling machine having linear reciprocating motion

BOART LONGYEAR INC7 citations70
US7828393B2Nov 9, 2010

Continuous vibratory milling machine

BOART LONGYEAR INC2 citations59

LONGYEAR TM INC

1 patent
US7900719B2Mar 8, 2011

Bi-steel percussive drill rod

LONGYEAR TM INC13 citations81

BOART LONGYEAR GLOBAL HOLDCO INC

1 patent
US7954566B2Jun 7, 2011

Stabilizer for drill strings

BOART LONGYEAR GLOBAL HOLDCO INC5 citations54