Isco, Inc.
🏢 View company profile →123Patents
0Active
123Granted
41Portfolio score
Filing activity: Mar 4, 1977 → Jun 26, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4673334A | Peristaltic pump | Mechanical Engineering; Lighting; Heating | 155 | Expired |
| US5125801A | Pumping system | Physics | 85 | Expired |
| US5360320A | Multiple solvent delivery system | Physics | 84 | Expired |
| US5601707A | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Physics | 71 | Expired |
| US5996427A | Liquid sample storage device | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4986919A | Chromatographic pumping method | Physics | 58 | Expired |
| US5614089A | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Physics | 55 | Expired |
| US5755559A | Apparatus and method for pumping supercritical fluid and measuring flow thereof | Physics | 54 | Expired |
| US4422942A | Method for liquid chromatography | Physics | 46 | Expired |
| US5198197A | Apparatus and method for supercritical fluid extraction | Physics | 42 | Expired |
| US5738498A | Apparatus and method for thermoelectric cooling of an extraction fluid pump | Physics | 42 | Expired |
| US5268103A | Apparatus and method for supercritical fluid extraction | Physics | 42 | Expired |
| US5173188A | Apparatus and method for supercritical fluid extraction | Physics | 39 | Expired |
| US5789684A | Liquid sample storage device | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6319410A | Apparatus and method for super critical fluid extraction | Physics | 37 | Expired |
| US4575424A | Chromatographic flow cell and method of making it | Physics | 37 | Expired |
| US5584989A | Apparatus for supercritical fluid extraction having means for removing extraction from collection solvent | Physics | 35 | Expired |
| US5234587A | Gradient system | Physics | 33 | Expired |
| US5169511A | Capillary electrophoresis technique | Physics | 33 | Expired |
| US6294088A | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Physics | 32 | Expired |
| US5094753A | Apparatus and method for supercritical fluid extraction | Physics | 32 | Expired |
| US5158675A | Gradient system | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5040126A | Method for predicting steady-state conditions | Physics | 31 | Expired |
| US5777892A | Doppler shift velocity measuring system with correction factors | Physics | 30 | Expired |
| US5915932A | Peristaltic pump having a roller support | Physics | 30 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.