Inventor · Shanghai, CN

Robert Chiang

26Patents
13h-index
30Co-inventors
81Inventor score

Filing activity: Mar 2, 1992 → Jul 23, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
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.