Inventor

YU CHANGKUAN

US3 patents

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

CHEVRON USA INC

2 patents

US9284825B2Mar 15, 2016

Gas-lift safety valve actuated by a sensor

CHEVRON USA INC3 citations67

US9145974B2Sep 29, 2015

Apparatus for adjusting shape memory alloy transition temperatures to track slowly changing ambient temperature

CHEVRON USA INC0 citations46

YU CHANGKUAN

1 patent

US11154444B1Oct 26, 2021

Automated rolling bed

YU CHANGKUAN3 citations58