Assignee
WATSON RICHARD R
US·3 granted patents·57 citations·filing 2003–2008
Top patents by PatentIndex Score
3 records- 0190US6973936B2Fluid injection systemWATSON RICHARD R·Filed 2003·Granted Dec 13, 2005·48 cites·32 claims
- 0267US8262367B2Fault-tolerant chemical injection system for oil and gas wellsWATSON RICHARD R·Filed 2008·Granted Sep 11, 2012·4 cites·10 claims
- 0351US6983922B2Piloted directional control valveWATSON RICHARD R·Filed 2004·Granted Jan 10, 2006·5 cites·19 claims
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