Inventor

ZHANG GUOSEN RONALD

US4 patents

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

ATC INC

2 patents

US6308556B1Oct 30, 2001

Method and apparatus of nondestructive testing a sealed product for leaks

ATC INC99 citations93

US6584828B2Jul 1, 2003

Method and apparatus of nondestructive testing a sealed product for leaks

ATC INC63 citations92

(unassigned)

2 patents

US5861546AJan 19, 1999

Intelligent gas flow measurement and leak detection apparatus

130 citations93

US6854318B2Feb 15, 2005

Method and apparatus of nondestructive testing a sealed product for leaks

16 citations89