Robert J. Dumas
15Patents
7h-index
29Co-inventors
66Inventor score
Filing activity: Jul 18, 1977 → Nov 9, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5823747A | Bubble detection and recovery in a liquid pumping system | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| USRE37553E1 | Bubble detection and recovery in a liquid pumping system | General | 44 | Expired |
| US4143181A | Process for the preparation of a coating for glass or ceramic surfaces | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5862832A | Gradient proportioning valve | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5588846A | Right angle electrical connector | Electricity | 12 | Expired |
| US5788465A | Tool-less pump head configuration | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6364623B1 | Bubble detection and recovery in a liquid pumping system | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6106238A | Bubble detection and recovery in a liquid pumping system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6484569B1 | Tube-in-tube thermal exchanger for liquid chromatography systems | Physics | 5 | Expired |
| US7241115B2 | Methods and apparatus for determining the presence or absence of a fluid leak | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US11204293B2 | Adiabatic thermal pulse compensating pressure transducer and method | Physics | 1 | Active |
| US9441996B2 | Phase detection in multi-phase fluids | Physics | 1 | Active |
| US11836617B2 | Techniques for analytical instrument performance diagnostics | Physics | 1 | Active |
| US11927498B2 | Adiabatic reducing pressure transducer, system and method | Physics | 0 | Active |
| US10386341B2 | Carbon dioxide liquid phase forming using high volume head displacement | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.