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PROCESS INSTR INC

US6 patents

Top patents by PatentIndex Score

US5751415AMay 12, 1998

Raman spectroscopy apparatus and method for continuous chemical analysis of fluid streams

PROCESS INSTR INC154 citations97
US6100975AAug 8, 2000

Raman spectroscopy apparatus and method using external cavity laser for continuous chemical analysis of sample streams

PROCESS INSTR INC121 citations94
US6028667AFeb 22, 2000

Compact and robust spectrograph

PROCESS INSTR INC35 citations91
US6859581B1Feb 22, 2005

Optical fiber multiplexer for Raman spectroscopy

PROCESS INSTR INC12 citations80
US7973926B1Jul 5, 2011

Methods for determining olefin concentrations in olefin-containing fuels

PROCESS INSTR INC14 citations76
US6798214B1Sep 28, 2004

Self-adjusting resistance standard

PROCESS INSTR INC8 citations58