Theodore A. Dourdeville
40Patents
12h-index
49Co-inventors
81Inventor score
Filing activity: Jan 27, 1984 → Jun 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6188813A | Flow cell, analyte measurement apparatus and methods related thereto | Physics | 65 | Expired |
| US5637208A | Solvent pumping system for chromatography with switching-valve | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4767279A | Fluid composition and volumetric delivery control | Physics | 42 | Expired |
| US4534659A | Passive fluid mixing system | Performing Operations; Transporting | 39 | Expired |
| US5897781A | Active pump phasing to enhance chromatographic reproducibility | Physics | 38 | Expired |
| US6404193B1 | Solvent susceptibility compensation for coupled LC-NMR | Physics | 36 | Expired |
| US6557575B1 | Fluid flow control freeze/thaw valve for narrow bore capillaries or microfluidic devices | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6526188B2 | Flow cell, analyte measurement apparatus and methods related thereto | Physics | 28 | Expired |
| US6299767A | High pressure capillary liquid chromatography solvent delivery system | Physics | 21 | Expired |
| US6099724A | Active pump phasing to enhance chromatographic reproducibility | Physics | 16 | Expired |
| US7128081B2 | Peltier based freeze-thaw valves and method of use | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8297589B2 | Active valve and methods of operation thereof | Emerging Cross-Sectional Technologies | 13 | Active |
| US7859657B2 | Methods of making and using an apparatus and devices for placing light and sample in photo-emitting or absorbing devices | Physics | 11 | Active |
| US8047060B2 | Method and apparatus for sample injection in liquid chromatography | Emerging Cross-Sectional Technologies | 9 | Active |
| US9618128B2 | Method and apparatus for sample injection in liquid chromatography | Emerging Cross-Sectional Technologies | 8 | Active |
| US6610201B2 | High pressure capillary liquid chromatography solvent delivery system | Physics | 6 | Expired |
| US9024635B2 | Apparatus and method for coupled LC-NMR analysis | Physics | 5 | Active |
| US9470664B2 | Chromatographic interface | Physics | 4 | Active |
| US8671975B2 | Compliant-seal check valve | Emerging Cross-Sectional Technologies | 4 | Active |
| US9791423B2 | Dispensing needle for a fraction collector | Physics | 3 | Active |
| US9304115B2 | Pressure sensing and flow control in diffusion-bonded planar devices for fluid chromatography | Emerging Cross-Sectional Technologies | 2 | Active |
| US7841190B2 | Freeze-thaw valve that self-limits cryogenic agent usage | Emerging Cross-Sectional Technologies | 2 | Active |
| US8881582B2 | Method and apparatus for sample injection in liquid chromatography | Emerging Cross-Sectional Technologies | 2 | Active |
| US6367847B1 | Coupler for placing two or more fluid streams in communication | Physics | 1 | Expired |
| US8622437B2 | Fluidic terminal | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.