Process Instruments, Inc.
Records under this name other than the patents Process Instruments, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.
Showing 1 to 6 of 6 · Back to Process Instruments, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,973,926 | Methods for determining olefin concentrations in olefin-containing fuels Lapsed on the fee record Ended Jul 5, 2023 · From the USPTO record | Lapsed on the fee record | Ended Jul 5, 2023 | From the USPTO record |
| US 6,859,581 | Optical fiber multiplexer for Raman spectroscopy Term ended Term ended Apr 7, 2023 · From the USPTO record | Term ended | Term ended Apr 7, 2023 | From the USPTO record |
| US 6,798,214 | Self-adjusting resistance standard Term ended Term ended Jan 15, 2023 · From the USPTO record | Term ended | Term ended Jan 15, 2023 | From the USPTO record |
| US 6,028,667 | Compact and robust spectrograph Term ended Term ended Jan 14, 2019 · From the USPTO record | Term ended | Term ended Jan 14, 2019 | From the USPTO record |
| US 6,100,975 | Raman spectroscopy apparatus and method using external cavity laser for continuous chemical analysis of sample streams Formerly held Term ended Term ended Apr 3, 2018 · From the USPTO record | Term ended | Term ended Apr 3, 2018 | From the USPTO record |
| US 5,751,415 | Raman spectroscopy apparatus and method for continuous chemical analysis of fluid streams Term ended Term ended no later than May 12, 2018 · Low confidence | Term ended | Term ended no later than May 12, 2018 | Low confidence |