Robert Chiang
26Patents
13h-index
30Co-inventors
81Inventor score
Filing activity: Mar 2, 1992 → Jul 23, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7186290B2 | Filter system with automatic media refresh | Mechanical Engineering; Lighting; Heating | 96 | Expired |
| US5332034A | Heat exchanger tube | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US5458191A | Heat transfer tube | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US6716406B2 | Control system for a photocatalytic air purifier | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US5333682A | Heat exchanger tube | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6884399B2 | Modular photocatalytic air purifier | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5839294A | Chiller with hybrid falling film evaporator | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US7000415B2 | Foul-resistant condenser using microchannel tubing | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5203404A | Heat exchanger tube | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6167950A | Heat transfer tube | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6460372B1 | Evaporator for medium temperature refrigerated merchandiser | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6298673A | Method of operating a refrigerated merchandiser system | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US7951327B2 | Photocatalytic air purifier for a fan coil unit | Emerging Cross-Sectional Technologies | 15 | Active |
| US5832995A | Heat transfer tube | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7281387B2 | Foul-resistant condenser using microchannel tubing | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6502413B2 | Combined expansion valve and fixed restriction system for refrigeration cycle | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6311512A | Refrigerated merchandiser system | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6923013B2 | Evaporator for medium temperature refrigerated merchandiser | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6955061B2 | Refrigerated merchandiser with flow baffle | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6679080B2 | Medium temperature refrigerated merchandiser | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7758821B2 | Modular photocatalytic air purifier | Emerging Cross-Sectional Technologies | 4 | Active |
| US10176381B2 | Video analysis system for energy-consuming building equipment and intelligent building management system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8151587B2 | Medium temperature refrigerated merchandiser | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7381061B2 | High density electrical connector | Electricity | 3 | Active |
| US9484675B2 | Terminal structure of electrical connector | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.