Hung M. Pham
134Patents
36h-index
61Co-inventors
93Inventor score
Filing activity: Aug 28, 1991 → Apr 18, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6047557A | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor | Emerging Cross-Sectional Technologies | 191 | Expired |
| US5630325A | Heat pump motor optimization and sensor fault detection | Emerging Cross-Sectional Technologies | 164 | Expired |
| US5440895A | Heat pump motor optimization and sensor fault detection | Emerging Cross-Sectional Technologies | 156 | Expired |
| US5628201A | Heating and cooling system with variable capacity compressor | Emerging Cross-Sectional Technologies | 154 | Expired |
| US6412293B1 | Scroll machine with continuous capacity modulation | Mechanical Engineering; Lighting; Heating | 146 | Expired |
| US6758051B2 | Method and system for diagnosing a cooling system | Mechanical Engineering; Lighting; Heating | 143 | Expired |
| US6758050B2 | Compressor diagnostic system | Mechanical Engineering; Lighting; Heating | 137 | Expired |
| US7296426B2 | Interactive control system for an HVAC system | Emerging Cross-Sectional Technologies | 136 | Expired |
| US5381669A | Overcharge-undercharge diagnostic system for air conditioner controller | Mechanical Engineering; Lighting; Heating | 129 | Expired |
| US7412842B2 | Compressor diagnostic and protection system | Emerging Cross-Sectional Technologies | 121 | Expired |
| US5689963A | Diagnostics for a heating and cooling system | Mechanical Engineering; Lighting; Heating | 113 | Expired |
| US6457948B1 | Diagnostic system for a compressor | Mechanical Engineering; Lighting; Heating | 111 | Expired |
| US6679072B2 | Diagnostic system and method for a cooling system | Emerging Cross-Sectional Technologies | 104 | Expired |
| US5623834A | Diagnostics for a heating and cooling system | Mechanical Engineering; Lighting; Heating | 103 | Expired |
| US5440890A | Blocked fan detection system for heat pump | Emerging Cross-Sectional Technologies | 96 | Expired |
| US5303561A | Control system for heat pump having humidity responsive variable speed fan | Mechanical Engineering; Lighting; Heating | 94 | Expired |
| US7222493B2 | Compressor diagnostic system | Mechanical Engineering; Lighting; Heating | 93 | Expired |
| US7784291B2 | Interactive control system for an HVAC system | Emerging Cross-Sectional Technologies | 92 | Active |
| US5528908A | Blocked fan detection system for heat pump | Emerging Cross-Sectional Technologies | 92 | Expired |
| US6601397B2 | Digital scroll condensing unit controller | Emerging Cross-Sectional Technologies | 88 | Expired |
| US6467280B2 | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor | Emerging Cross-Sectional Technologies | 80 | Expired |
| US5475986A | Microprocessor-based control system for heat pump having distributed architecture | Emerging Cross-Sectional Technologies | 80 | Expired |
| US6449972B2 | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor | Emerging Cross-Sectional Technologies | 80 | Expired |
| US7310953B2 | Refrigeration system including thermoelectric module | Mechanical Engineering; Lighting; Heating | 75 | Expired |
| US7941294B2 | System and method for detecting fluid delivery system conditions based on motor parameters | Mechanical Engineering; Lighting; Heating | 70 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.