Inventor
LAM TONY M
CA20 patents
⚠️ This page may combine multiple inventors who share the name “LAM TONY M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STREAM FLO IND LTD
17 patentsUS5921276AJul 13, 1999
Piston-type check valve with diffuser
STREAM FLO IND LTD90 citations97
US6851478B2Feb 8, 2005
Y-body Christmas tree for use with coil tubing
STREAM FLO IND LTD57 citations95
US6457530B1Oct 1, 2002
Wellhead production pumping tree
STREAM FLO IND LTD81 citations95
US7673674B2Mar 9, 2010
Polish rod clamping device
STREAM FLO IND LTD31 citations92
US7306201B2Dec 11, 2007
Gate valve with tongue and groove or bridging seal to annular seat elements
STREAM FLO IND LTD27 citations92
US7137610B2Nov 21, 2006
Wellhead production blowout preventer
STREAM FLO IND LTD22 citations92
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
US6595278B1Jul 22, 2003
Assembly for locking a polished rod in a pumping wellhead
STREAM FLO IND LTD46 citations90
US7562859B2Jul 21, 2009
Gate valve with tongue and groove or bridging seal to annular seat elements
STREAM FLO IND LTD29 citations86
US7552765B2Jun 30, 2009
Wellhead blowout preventer with extended ram for sealing central bore
STREAM FLO IND LTD19 citations84
US7743824B2Jun 29, 2010
Method and apparatus for isolating a wellhead for fracturing
STREAM FLO IND LTD18 citations79
US5799730ASep 1, 1998
Wellhead casing hanger assembly
STREAM FLO IND LTD19 citations78
US9243469B2Jan 26, 2016
Blowout preventer and rams
STREAM FLO IND LTD2 citations61
US11047486B2Jun 29, 2021
Expanding gate valve
STREAM FLO IND LTD1 citations54