Jonathan D. Douglas
50Patents
10h-index
79Co-inventors
81Inventor score
Filing activity: Jan 20, 1998 → Feb 14, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6658373B2 | Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment | Mechanical Engineering; Lighting; Heating | 156 | Expired |
| US6973793B2 | Estimating evaporator airflow in vapor compression cycle cooling equipment | Mechanical Engineering; Lighting; Heating | 94 | Expired |
| US7079967B2 | Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment | Mechanical Engineering; Lighting; Heating | 83 | Expired |
| US6701725B2 | Estimating operating parameters of vapor compression cycle equipment | Mechanical Engineering; Lighting; Heating | 66 | Expired |
| US6079481A | Thermal storage system | Emerging Cross-Sectional Technologies | 55 | Expired |
| US11131473B2 | HVAC system design and operational tool for building infection control | Emerging Cross-Sectional Technologies | 31 | Active |
| US7046663B1 | System and method for intercepting packets in a pipeline network processor | Electricity | 19 | Expired |
| US8151583B2 | Expansion valve control system and method for air conditioning apparatus | Emerging Cross-Sectional Technologies | 13 | Active |
| US8915295B2 | Method of adaptive control of a bypass damper in a zoned HVAC system | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US8417386B2 | System and method for defrost of an HVAC system | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US11269306B2 | HVAC system with building infection control | Emerging Cross-Sectional Technologies | 10 | Active |
| US7866172B2 | System and method for controlling working fluid charge in a vapor compression air conditioning system | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US10061330B2 | HVAC system having a diagnostics controller associated therewith | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8887518B2 | Expansion valve control system and method for air conditioning apparatus | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8113789B2 | System and method of disabling an HVAC compressor based on a high pressure cut out | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9568227B2 | Systems and methods for refrigerant charge detection | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7377206B2 | Piston for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Active |
| USD800282S1 | Heat exchanger fin | General | 4 | Active |
| US8151585B2 | System and method of disabling an HVAC compressor based on a low pressure cut out | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8116911B2 | System and method for sump heater control in an HVAC system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9874362B2 | Systems and methods for ventilating a building | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10323870B2 | Optimizing liquid temperature and liquid pressure in a modular outdoor refrigeration system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9810462B2 | Dehumidification using intermittent ventilation | Emerging Cross-Sectional Technologies | 3 | Active |
| US11536476B2 | Building system with flexible facility operation | Emerging Cross-Sectional Technologies | 2 | Active |
| US9234673B2 | Heat exchanger with subcooling circuit | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.