P

Inventor

GUO TIANLE

CA8 patents
⚠️ This page may combine multiple inventors who share the name “GUO TIANLE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STREAM FLO IND LTD

3 patents
US7562859B2Jul 21, 2009

Gate valve with tongue and groove or bridging seal to annular seat elements

STREAM FLO IND LTD29 citations86
US9243469B2Jan 26, 2016

Blowout preventer and rams

STREAM FLO IND LTD2 citations61
US11047486B2Jun 29, 2021

Expanding gate valve

STREAM FLO IND LTD1 citations54

GUO TIANLE

2 patents
US8783643B2Jul 22, 2014

Blowout preventer and rams

GUO TIANLE3 citations59
US8807516B2Aug 19, 2014

Blowout preventer with rope packing seal

GUO TIANLE3 citations58

LANG HEINRICH

1 patent
US8960276B2Feb 24, 2015

Wellhead seal device to seal casing

LANG HEINRICH16 citations83

SHANGHAI INST TECH PHYSICS CAS

1 patent
US11999888B2Jun 4, 2024

Method for in-situ modification of mercury quantum dots in traditional thermal injection process

SHANGHAI INST TECH PHYSICS CAS0 citations45

FARQUHARSON KEITH D

1 patent
US8066061B2Nov 29, 2011

Metal seal for wellheads

FARQUHARSON KEITH D0 citations31