Heat-Pipe Technology, Inc.
14Patents
3Active
14Granted
40Portfolio score
Filing activity: May 9, 1991 → Apr 11, 2022
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5333470A | Booster heat pipe for air-conditioning systems | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5404938A | Single assembly heat transfer device | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5845702A | Serpentine heat pipe and dehumidification application in air conditioning systems | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5921315A | Three-dimensional heat pipe | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5394040A | Electric motor having internal heat dissipator | Electricity | 31 | Expired |
| US5269151A | Passive defrost system using waste heat | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5582246A | Finned tube heat exchanger with secondary star fins and method for its production | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5448897A | Booster heat pipe for air-conditioning systems | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5564184A | Method for making heat pipes | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5388958A | Bladeless impeller and impeller having internal heat transfer mechanism | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5749415A | Roof curb assembly with integral dehumidifier heat pipe controlled by a bypass system | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US11859850B2 | Heat exchanger | Emerging Cross-Sectional Technologies | 0 | Active |
| US11499788B2 | Passive split heat recovery system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11300314B2 | Heat exchanger | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.