Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Refractory sight tube for optical temperature measuring device

Refractory sight tube for optical temperature measuring device

US Patent 5302027 · Granted Apr 12, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cover window and display device having multiple radii of curvature2022
Rubber composition for protecting sidewall of tire from ozone and tire manufactu2021
Pressure sensor and display device including the same2019
Multi-chip package and method of manufacturing the same2016
Prevention of erosion and alumina build-up in casting elements1992
Refractory liner compositions1990
Prevention of Al.sub.2 O.sub.3 formation in pouring nozzles and the like1989