Sievers Instruments, Inc.
19Patents
0Active
19Granted
31Portfolio score
Filing activity: Mar 2, 1990 → Jan 21, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5132094A | Method and apparatus for the determination of dissolved carbon in water | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5443991A | Method for the determination of dissolved carbon in water | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5902751A | Method and apparatus for the measurement of dissolved carbon | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6130095A | Method for the measurement of sulfur compounds | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5976468A | Apparatus and method to supply a fluid sample to an analyzer | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5837203A | Device to alternately supply a fluid to an analyzer | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5798271A | Apparatus for the measurement of dissolved carbon in deionized water | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5424217A | Process for the detection of sulfur | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6183695A | Reagentless oxidation reactor and methods for using same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6884356B2 | Low-level boron detection and measurement | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5330714A | Process and apparatus for simultaneous measurement of sulfur and non-sulfur containing compounds | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5501981A | Method and apparatus for chemiluminescent detection of sulfur | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5750073A | Reagentless oxidation reactor in a carbon measuring system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6271043A | Method to supply a fluid sample to an analyzer | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6228325A | Methods and apparatus for measurement of the carbon and heteroorganic content of water including single-cell instrumentation mode for same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5820823A | Method and apparatus for the measurement of dissolved carbon | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5661036A | Process for the detection of sulfur | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5935519A | Apparatus for the detection of sulfur | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6723565B2 | Pulsed-flow total organic carbon analyzer | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.