Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Refractive index of a liquid referred to a predetermined temperature

Refractive index of a liquid referred to a predetermined temperature

US Patent 4433913 · Granted Feb 28, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Active flat-design video screen1990
Refractometer for measuring the refractive index of a liquid1987
Immersion refractometer with angle prism1987
Fiber-optical pressure detector1986
Fiber-optical pressure detector1986
Method for making a gradient doped polysiloxane gel1985
Photoelectric control device1984
Double optical probe device for the determination of the refractive index of a l1984
Photoelectric switch with visible signal1982
Refractive-index responsive light-signal system1980
Device for producing a light signal corresponding to the refractive index of a f1980