Inventor

CHAN KWONG-ONN

CA5 patents

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

VETCO GRAY INC

1 patent

US7823634B2Nov 2, 2010

Wellhead isolation sleeve assembly

VETCO GRAY INC12 citations81

HE HENRY X

1 patent

US9103183B2Aug 11, 2015

Method and apparatus for launching multiple balls in a well

HE HENRY X17 citations74

STREAM FLO IND LTD

1 patent

US6736208B2May 18, 2004

Wellhead production pumping tree with access port

STREAM FLO IND LTD9 citations69

HE HENRY

1 patent

US8919453B2Dec 30, 2014

Scalloped landing ring

HE HENRY2 citations49

GE OIL & GAS PRESSURE CONTROL LP

1 patent

US10605032B2Mar 31, 2020

Electrically insulated tubing hanger system

GE OIL & GAS PRESSURE CONTROL LP0 citations29