Andre J. Nohl
14Patents
8h-index
6Co-inventors
57Inventor score
Filing activity: Dec 16, 1986 → Jun 1, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5238654A | Syringe drive with lead screw mechanism | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4980130A | System for preparation of samples for analysis | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5010921A | Nonsymmetrical valve | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4957009A | Pushloop liquid sampling method | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4836037A | Sample metering valve for a sample preparation system | Physics | 20 | Expired |
| US4823622A | Sample metering valve for a sample preparation system | Physics | 14 | Expired |
| US4900683A | Process for preparation of samples for analysis | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4891137A | Method and apparatus for membrane extraction of hydrolysis contaminates | Physics | 9 | Expired |
| US4859605A | Process for preparation of samples for analysis | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4792434A | Sample preparation chamber with mixer/grinder and sample aliquot isolation | Performing Operations; Transporting | 7 | Expired |
| US5044428A | Air powered heater/mixer | Performing Operations; Transporting | 6 | Expired |
| US4925628A | Sample preparation chamber with mixer/grinder and sample aliquot isolation | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4894345A | Process for preparation of samples for analysis | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4866996A | Sample metering valve for a sample preparation system | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.