James E. Usowicz
29Patents
4h-index
46Co-inventors
59Inventor score
Filing activity: Mar 2, 2005 → Mar 24, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8312762B2 | Device and methods for reducing pressure and flow perturbations in a chromatographic system | Physics | 14 | Active |
| US8047060B2 | Method and apparatus for sample injection in liquid chromatography | Emerging Cross-Sectional Technologies | 9 | Active |
| US8997587B2 | Needle seal force sensor | Physics | 8 | Active |
| US9618128B2 | Method and apparatus for sample injection in liquid chromatography | Emerging Cross-Sectional Technologies | 8 | Active |
| US9194847B2 | Sample tray with magnetically closing drawer | Physics | 4 | Active |
| US8539819B2 | Pressure monitor optimization of fluid path utilization | Physics | 4 | Active |
| US7596988B2 | High performance liquid chromatography sample introduction optimized with bubble detection | Physics | 3 | Expired |
| US7951597B2 | Pressurized fluid sample injector and method of injecting fluid samples | Emerging Cross-Sectional Technologies | 3 | Active |
| US9791423B2 | Dispensing needle for a fraction collector | Physics | 3 | Active |
| US8281812B2 | Valve with low friction coating | Emerging Cross-Sectional Technologies | 2 | Active |
| US8151629B2 | Pressure monitor optimization of fluid path utilization | Physics | 2 | Active |
| US8881582B2 | Method and apparatus for sample injection in liquid chromatography | Emerging Cross-Sectional Technologies | 2 | Active |
| US9482650B2 | Static and dynamic seals | Emerging Cross-Sectional Technologies | 1 | Active |
| US9764251B2 | Introducing samples into supercritical fluid chromatography systems | Physics | 1 | Active |
| US9752950B2 | Pressure monitor optimizaiton of fluid path utilization | Physics | 1 | Active |
| US9028780B2 | Compound sample needle for liquid chromatograph | Physics | 1 | Active |
| US10175209B2 | Liquid flow rate measurement device | Physics | 1 | Active |
| US10788504B2 | Apparatus for controlling sample position in a liquid chromatography system | Physics | 0 | Active |
| US10345186B2 | Pressure monitor optimization of fluid path utilization | Physics | 0 | Active |
| US10641528B2 | Cooling of pump heads in carbon dioxide chromatography systems | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9289768B2 | Apparatus for reducing variation in sample temperatures in a liquid chromatography system | Physics | 0 | Active |
| USD1091861S1 | Chromatography system | General | 0 | Active |
| US8945487B2 | Self-sealing sample compartment for a liquid chromatography system | Physics | 0 | Active |
| US10183238B2 | Flow splitting in supercritical fluid chromatography systems | Electricity | 0 | Active |
| US10001463B2 | Dispensing needle for a fraction collector | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.