Inventor
FARQUHARSON KEITH D
CA8 patents
⚠️ This page may combine multiple inventors who share the name “FARQUHARSON KEITH D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STREAM FLO IND LTD
7 patentsUS5921276AJul 13, 1999
Piston-type check valve with diffuser
STREAM FLO IND LTD90 citations97
US6457530B1Oct 1, 2002
Wellhead production pumping tree
STREAM FLO IND LTD81 citations95
US6260817B1Jul 17, 2001
Hydraulic blowout preventer assembly for production wellhead
STREAM FLO IND LTD25 citations92
US6176466B1Jan 23, 2001
Composite pumping tree with integral shut-off valve
STREAM FLO IND LTD34 citations92
US5765813AJun 16, 1998
Wellhead production blowout preventer ram
STREAM FLO IND LTD26 citations92
US5743332AApr 28, 1998
Integral wellhead assembly for pumping wells
STREAM FLO IND LTD34 citations92
US6637509B2Oct 28, 2003
Wellhead stuffing box support assembly
STREAM FLO IND LTD22 citations89