Gas sensor system

WA Challener - US Patent 11,435,252, 2022 - Google Patents
A gas sensor system includes a sensing tube having an outer surface, and an inner surface
defining a passage. A plurality of openings is formed through the outer surface and the inner …

Gas sensor system

WA Challener - US Patent 11,609,142, 2023 - Google Patents
G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting
the presence of fluid at the leakage point by using materials which expand, contract …

Optical device, gas sensor, methods of forming and operating the same

LYT Lee, LYL Wong, AY Gu - US Patent 11,385,421, 2022 - Google Patents
Various embodiments may relate to an optical device. The device may include an elongate
substrate, an emitter portion at a distal end portion of the elongate substrate, the emitter …