PROCESS INSTRUMENTS, INC.
7Patents
2Active
7Granted
33Portfolio score
Filing activity: May 13, 1996 → Sep 26, 2019 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5751415A | Raman spectroscopy apparatus and method for continuous chemical analysis of fluid streams | Physics | 84 | Expired |
| US6100975A | Raman spectroscopy apparatus and method using external cavity laser for continuous chemical analysis of sample streams | Physics | 65 | Expired |
| US6028667A | Compact and robust spectrograph | Physics | 17 | Expired |
| US6859581B1 | Optical fiber multiplexer for Raman spectroscopy | Physics | 4 | Expired |
| US7973926B1 | Methods for determining olefin concentrations in olefin-containing fuels | Physics | 2 | Active |
| US6798214B1 | Self-adjusting resistance standard | Physics | 2 | Expired |
| US10620227B1 | Automatic liquid sampling system and method of use thereof | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.